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MISSISSIPPI

HIGHWAY SAFETY 

IMPROVEMENT PROGRAM 

2021 ANNUAL REPORT

U.S. Department ofTransportation 

Federal Highway Administration 

Photo source: Federal Highway Administration
2021 Mississippi Highway Safety Improvement Program

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Table of Contents

Disclaimer ............................................................................................................................................. 3

Protection of Data from Discovery Admission into Evidence............................................................. 3

Executive Summary .............................................................................................................................. 4

Introduction ........................................................................................................................................... 5

Program Structure................................................................................................................................. 5

Program Administration..................................................................................................................... 5

Program Methodology ....................................................................................................................... 7

Project Implementation .......................................................................................................................11

Funds Programmed.........................................................................................................................11

General Listing of Projects ..............................................................................................................13

Safety Performance ............................................................................................................................19

General Highway Safety Trends......................................................................................................19

Safety Performance Targets............................................................................................................25

Applicability of Special Rules...........................................................................................................27

Evaluation ...........................................................................................................................................28

Program Effectiveness ....................................................................................................................28

Effectiveness of Groupings or Similar Types of Improvements .......................................................29

Project Effectiveness.......................................................................................................................32

Compliance Assessment ....................................................................................................................33

Optional Attachments..........................................................................................................................36

Glossary..............................................................................................................................................37
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Disclaimer

Protection of Data from Discovery Admission into Evidence

23 U.S.C. 148(h)(4) states “Notwithstanding any other provision of law, reports, surveys, schedules, lists, or 

data compiled or collected for any purpose relating to this section[HSIP], shall not be subject to discovery or 

admitted into evidence in a Federal or State court proceeding or considered for other purposes in any action 

for damages arising from any occurrence at a location identified or addressed in the reports, surveys, 

schedules, lists, or other data.

23 U.S.C. 148(h)(4) states “Notwithstanding any other provision of law, reports, surveys, schedules, lists, or 

data compiled or collected for any purpose relating to this section[HSIP], shall not be subject to discovery or 

admitted into evidence in a Federal or State court proceeding or considered for other purposes in any action 

for damages arising from any occurrence at a location identified or addressed in the reports, surveys, 

schedules, lists, or other data.23 U.S.C. 409 states “Notwithstanding any other provision of law, reports, 

surveys, schedules, lists, or data compiled or collected for the purpose of identifying, evaluating, or planning 

the safety enhancement of potential accident sites, hazardous roadway conditions, or railway-highway 

crossings, pursuant to sections 130, 144, and 148 of this title or for the purpose of developing any highway 

safety construction improvement project which may be implemented utilizing Federal-aid highway funds shall 

not be subject to discovery or admitted into evidence in a Federal or State court proceeding or considered for 

other purposes in any action for damages arising from any occurrence at a location mentioned or addressed in 

such reports, surveys, schedules, lists, or data.”
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Executive Summary

The State of Mississippi's Highway Safety Improvement Program (HSIP), operating out of the Highway and 

Rail Safety Division (HRSD) within the Mississippi Department of Transportation (MDOT), has completed 

another year of prioritizing and programming projects that support the state's most recent Strategic Highway 

Safety Plan (SHSP). Over the last 12 months, the Mississippi HSIP has made great strides in supporting the 

goal of reducing fatal and serious injury crashes by programming safety projects that are both aggressive in 

reducing targeted crash types and innovative in their approach. These advancements of the last year include, 

but are not limited to, the following highlights:

Project Pairings

In an effort to stretch its HSIP dollars further, Mississippi has increased its focus in the last year of pairing with 

state-funded overlay projects to add on safety countermeasures with HSIP funds. Rather than paying for a full 

mill and overlay project, the HSIP dollars supplement a standard maintenance overlay by adding critical 

countermeasures such as widened shoulders, rumble strips/stripes, clear zone improvements, and other 

similar measures.

Continued Focus on FHWA's Proven Safety Countermeasures

Mississippi continues to put an emphasis on countermeasures listed in the Federal Highway Administration's 

list of Proven Safety Countermeasures, including several new roundabouts, additional restricted crossing uturn (RCUT) locations, rumble strips/stripes, Local Road Safety Plans, etc. 

Systemic Safety

MDOT has for years prioritized the use of systemic safety improvements such as Safety Edge and Rumble 

Strips/Stripe as a part of larger construction and mobility projects. More recently, the HSIP has worked to 

obligate more of its own funding towards supporting the installation of systemic measures such as cable 

barrier, edge line delineation enhancements (rumble strip/stripe, audible thermoplastic stripe, etc.), shoulder 

widening, and systemic access management. Over the past year, Mississippi has also increased its focus on 

prioritizing improvements on the shoulder and beyond into the clear zone. With lane departure crashes 

presenting an ongoing concern in the state, Mississippi is moving more of its project focus towards those 

routes with higher percentages of lane departure crashes. For those locations, MDOT reviews for the presence 

of edge line delineation (rumble stripe, audible thermoplastic stripe), shoulder width and slope, and 

obstructions in the clear zone. The focus has been to make improvements along the entire route where narrow 

shoulders or clear zone hazards exist and where crash history shows patterns of vehicles leaving their lane at 

a greater rate than anticipated for its homogenous class.

A Culture of Safety

While MDOT has worked to address safety through quantifiable efforts such as safety projects, it has also 

continued its work over the past year to further institute a culture of safety across the entire department. The 

last year has seen MDOT Districts and its supporting Division personnel progress in how they give 

consideration to innovative countermeasures, as well as the mindset for safety in everyday maintenance and 

construction activities. More and more, the state is seeing MDOT employees looking to incorporate needed 

safety improvements as a part of all MDOT projects, whether they are safety funded or not. The following 

report for the state of Mississippi will show how MDOT has programmed its HSIP funds to continue improving 

safety across the state, as well as how the completed projects have been performing to support those efforts. 

We feel strongly that not all safety successes in the state will necessarily be captured in the report, but we 

know that in the last year the MDOT has worked tirelessly department-wide to ensure that Mississippi's 

roadways become safer for our fellow drivers than they were the year before.
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Introduction

The Highway Safety Improvement Program (HSIP) is a core Federal-aid program with the purpose of achieving 

a significant reduction in fatalities and serious injuries on all public roads. As per 23 U.S.C. 148(h) and 23 CFR 

924.15, States are required to report annually on the progress being made to advance HSIP implementation 

and evaluation efforts. The format of this report is consistent with the HSIP Reporting Guidance dated 

December 29, 2016 and consists of five sections: program structure, progress in implementing highway safety 

improvement projects, progress in achieving safety outcomes and performance targets, effectiveness of the 

improvements and compliance assessment.

Program Structure

Program Administration

Describe the general structure of the HSIP in the State. 

The Highway Safety Improvement Program staff includes full-time engineers as well as supporting data 

analysts and administrative support staff located in MDOT's Highway and Rail Safety Division. On a day-to-day 

basis, the HSIP staff works hand-in-hand with other MDOT Divisions in aiding the MDOT Districts towards 

advancing safety on Mississippi Highways. These regular efforts include data analysis, countermeasure 

discussion and coordination, as well as the administration of regularly scheduled safety meetings to keep in 

contact with the Districts regarding safety matters and concerns.

One of the primary initiatives that the Mississippi HSIP staff takes on routinely throughout the year is holding 

regularly scheduled safety meetings with its Districts. These meetings are an informal time for HSIP staff to go 

out into the Districts and discuss locations of concern that are revealed through data analysis, as well as 

locations that the Districts are fielding calls about from the public, local law enforcement, emergency 

responders, community leaders, and elected officials. These meetings have proven to be invaluable in 

establishing a rapport between District staff and the HSIP staff, which has aided in the identification of 

locations of need that might not have been found as quickly by data analysis alone. The HSIP has also seen 

these relationships promote a level of trust in the selection of alternative intersection countermeasures, as well 

as more progressive and non-typical countermeasures that are being implemented across the United States.

The second initiative that directly impacts HSIP projects in Mississippi is the Safety Countermeasure Selection 

Team meetings. These meetings were established by internal policy in the last several years to ensure that 

applicable MDOT Divisions (Roadway Design Division, Right of Way Division, Traffic Engineering Division, 

Construction Division, Environmental Division, Planning Division, etc.) and District personnel are extensively 

involved in the countermeasure selection process for HSIP projects. Before any potential location or set of 

locations are pursued for HSIP funding, any and all possible countermeasures are discussed with this group in 

a formalized meeting format. Site visits are conducted as a part of the meeting, and the entire process -

including supporting data, location information, countermeasure recommendations, and a benefit to cost 

analysis - is recorded and summarized in report format. This formal report is then submitted for review and 

approval by meeting attendees as well as senior MDOT Officials. This ensures that HSIP projects in the state 

of Mississippi are fully vetted by MDOT staff, and that MDOT utilizes its HSIP funds in the most prudent 

manner possible.

Once projects are selected, programmed, and constructed using HSIP funds, the MDOT ensures that their 

performance is tracked and reported as a part of the HSIP Reporting process. The Mississippi HSIP typically 

conducts a five year before and after data analysis of each project in order to provide a healthy set of data to 

determine the performance of the project's countermeasure(s). In many cases, the state also continues to track 
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projects beyond the five year window to ensure the countermeasure still works and/or other changes are not 

needed beyond the initial project.

Where is HSIP staff located within the State DOT? 

 Operations

How are HSIP funds allocated in a State? 

• Other-Central Office

Describe how local and tribal roads are addressed as part of HSIP.

As a part of Mississippi's statewide safety efforts, local roads are given consideration for Highway Safety 

Improvement Program funding during each federal fiscal year. Potential projects are scrutinized under the 

same set of criteria set forth for state highway safety projects. All HSIP local road safety projects conducted by 

the Mississippi Department of Transportation are administered through the Circuit Rider Program. 

The Circuit Rider program, established in 2012, provides training as well as technical assistance to local road 

administrators and staff. As a part of the technical assistance portion of the program, Circuit Riders (along with 

MDOT Highway and Rail Safety Division personnel) review crash data for local roads and conduct site visits 

with local government authorities to offer countermeasure identification assistance. Solutions offered by Circuit 

Riders on these site visits can either be resolved by the local road authority, or can be treated under several 

available Circuit Rider initiatives. Projects identified in need of additional assistance through the Circuit Rider 

program can be treated using one of the following:

1. Sign Project: At no cost to the local authority, MDOT provides warning and advisory signage to a local 

government agency where crash trends - systemic or "hot spot" in nature - have been identified, and where 

signs and/or low-cost countermeasures are deemed an appropriate corrective measure. The local authority 

may be asked to provide an in-kind service as part of the agreement, such as tree trimming within the Right-ofWay; otherwise, the signs, sign supports and appropriate hardware are provided free of charge to the county or 

municipality. During the 2021 State Fiscal Year (July '20 - June '21), MDOT spent $110,741 of state funds on 

this program providing over 1,800 signs and reflective sign post delineators to locals.

2. Design Project: Should a location or set of locations within a county, municipality or other local governing 

body's jurisdiction be deemed eligible by MDOT for HSIP funding, those projects are pursued as a part of the 

statewide HSIP program. If selected for funding, projects are designed and constructed through the state's 

Local Public Agency (LPA) Program. To date, Circuit Rider projects have mostly involved low cost mitigation 

strategies including re-signing and re-striping of routes, the installation of reflective sign post delineators, 

raised pavement marker installation, etc.; however, more robust treatments will be given consideration for 

funding through the program as crash data dictates. There is no application deadline currently for local 

projects; projects are considered throughout the entire fiscal year. All local road safety projects are considered 

alongside state highway safety projects. MDOT continues to work with local roadway officials towards 

developing quality local road safety projects.

Identify which internal partners (e.g., State departments of transportation (DOTs) 

Bureaus, Divisions) are involved with HSIP planning.

• Design

• Districts/Regions

• Local Aid Programs Office/Division

• Maintenance
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• Operations

• Planning

• Traffic Engineering/Safety

• Other-Environmental

Describe coordination with internal partners.

Under current internal guidelines, applicable MDOT Divisions (District personnel, Roadway Design Division, 

Traffic Engineering Division, Environmental Division, Right of Way Division, Planning Division, etc.) are 

extensively involved in the countermeasure selection process. Before any potential location or set of locations 

are pursued for HSIP funding, any and all possible countermeasures are discussed with this group in a 

meeting format. Site visits are conducted as a part of the meeting, and the entire process - including supporting 

data, location information, countermeasure recommendations, etc. - is recorded in report format and approved 

by meeting attendees as well as MDOT leadership. This ensures that all HSIP projects in the state of 

Mississippi are fully vetted by the MDOT staff, and that MDOT utilizes its HSIP funds in the most prudent 

manner possible.

MDOT's HSIP staff also maintains a three year plan of active and future HSIP projects and the spending 

anticipated to occur with each. This plan, which is reviewed and approved by FHWA - Mississippi Division at 

the beginning of each federal fiscal year, outlines where MDOT intends to spend all of its HSIP dollars across 

the state. The plan lists project locations, project details, applicable approvals achieved or in process, 

anticipated funding - amounts and types (PE, Rights-of-Way, Construction, etc.) - and other details. As new 

projects arise or ongoing projects have unforeseen changes during the fiscal year, MDOT and FHWA work to 

review and revise the plan as necessary. This list is another effort between the state and federal partners in 

Mississippi that help us accurately and effectively track and spend safety dollars in the state.

Identify which external partners are involved with HSIP planning.

• FHWA

• Law Enforcement Agency

• Local Government Agency 

• Regional Planning Organizations (e.g. MPOs, RPOs, COGs)

Describe coordination with external partners.

Federal Highway Administration - Mississippi Division (MS Division) is an active and helpful partner in program 

planning for the HSIP here in the state. MDOT coordinates with the MS Division for development, review and 

approval of the three-year HSIP project planning and programming list on an annual basis. The MS Division's 

Area Transportation Engineers and Safety Engineer were also involved in all quarterly HSIP meetings with 

MDOT Districts, as well as project planning and development meetings.

Other external partners involved in the HSIP project planning process are local government agencies, MPOs, 

and MDOT's Local Public Agency (LPA) Division, who is responsible for managing federally funded projects on 

local roadways within the State of Mississippi. MDOT coordinates with these partners when the HSIP is 

developing a potential Safety Circuit Rider project within the local agency's jurisdiction.

Program Methodology

Select the programs that are administered under the HSIP.

• HSIP (no subprograms)
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Program: HSIP (no subprograms)

Date of Program Methodology:8/3/2015

What is the justification for this program? 

• Addresses SHSP priority or emphasis area

• FHWA focused approach to safety

• Other-Addresses state's priority of advancing safety 

What is the funding approach for this program? 

Funding set-aside

What data types were used in the program methodology? 

Crashes Exposure Roadway 

• All crashes • Traffic

• Volume

• Median width

• Horizontal curvature

• Roadside features

What project identification methodology was used for this program? 

• Crash frequency

• Crash rate

• Excess proportions of specific crash types

• Relative severity index

Are local roads (non-state owned and operated) included or addressed in this 

program?

Yes

Are local road projects identified using the same methodology as state roads?

Yes

How are projects under this program advanced for implementation?

• selection committee

Select the processes used to prioritize projects for implementation. For the methods 

selected, indicate the relative importance of each process in project prioritization. 

Enter either the weights or numerical rankings. If weights are entered, the sum must 

equal 100. If ranks are entered, indicate ties by giving both processes the same rank 

and skip the next highest rank (as an example: 1, 2, 2, 4).

Rank of Priority Consideration

Ranking based on B/C:1

Available funding:2
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Cost Effectiveness:3

What percentage of HSIP funds address systemic improvements?

 5

 HSIP funds are used to address which of the following systemic 

improvements? 

• Cable Median Barriers

• Clear Zone Improvements

• Install/Improve Pavement Marking and/or Delineation

• Install/Improve Signing

• Pavement/Shoulder Widening

• Rumble Strips

• Safety Edge

Mississippi's HSIP pays for systemic pavement markings when it's either an improvement above existing 

conditions (i.e. going from a 4" stripe to a 6", going from 6" stripe to 6" audible thermoplastic stripe) or when it 

complements another countermeasure (i.e. enhanced intersection warning signage, new rumble stripe 

installation, etc.)

What process is used to identify potential countermeasures? 

• Crash data analysis

• Data-driven safety analysis tools (HSM, CMF Clearinghouse, SafetyAnalyst, usRAP)

• Engineering Study

• Road Safety Assessment

• SHSP/Local road safety plan

• Stakeholder input

• Other-Input from internal partners

Does the State HSIP consider connected vehicles and ITS technologies? 

Yes

Describe how the State HSIP considers connected vehicles and ITS technologies. 

Mississippi HSIP projects primarily consider ITS elements when they are a complimentary component of a 

larger project, such as traffic cameras at a new or improved signal, fiber interconnectivity between signals, or 

other measures to provide advanced warning to motorists.

Does the State use the Highway Safety Manual to support HSIP efforts?

Yes

Please describe how the State uses the HSM to support HSIP efforts.

Currently, the Mississippi HSIP uses various principles that are cited in the Highway Safety Manual (HSM), 

though the manual is not used extensively in day to day analysis and decision-making. We are currently 

developing a crash data analysis system that will wholly incorporate the principles and practices outlined in the 

HSM, and will fully integrate them into how Mississippi evaluates locations across the state, and potential 

projects.
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The state has also completed the process of calibrating multiple Safety Performance Functions (SPFs) for 

Mississippi crash data for inclusion in the new crash analysis system.
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Project Implementation

Funds Programmed

Reporting period for HSIP funding.

Federal Fiscal Year

Enter the programmed and obligated funding for each applicable funding category.

FUNDING CATEGORY PROGRAMMED OBLIGATED % 

OBLIGATED/PROGRAMMED

HSIP (23 U.S.C. 148) $29,497,582 $29,497,582 100%

HRRR Special Rule (23 

U.S.C. 148(g)(1))

$0 $0 0%

Penalty Funds (23 U.S.C. 

154)

$5,794,794 $5,794,794 100%

Penalty Funds (23 U.S.C. 

164)

$0 $0 0%

RHCP (for HSIP 

purposes) (23 U.S.C. 

130(e)(2))

$0 $0 0%

Other Federal-aid Funds 

(i.e. STBG, NHPP)

$0 $0 0%

State and Local Funds $3,921,375 $3,921,375 100%

Totals $39,213,751 $39,213,751 100%

How much funding is programmed to local (non-state owned and operated) or tribal 

safety projects?

1%

How much funding is obligated to local or tribal safety projects?

1%

In FFY 2021, MDOT let to construction a county-wide local road safety project prioritizing low cost safety 

improvements (striping, signage, RPMs) on a significant number of routes in Lauderdale County. We anticipate 

letting another similar project to construction this upcoming FFY, with at least two more likely to begin PE 

design work, as well. 

Despite these advances in local road project funding, a gap analysis conducted as a part of the 2022 

Mississippi HSIP Implementation Plan noted a disparity between the funds programmed towards local roads 

and the percentage of K+A crashes on locally owned roadways. As stated in the Plan, MDOT is aware of this 

and has plans to address it in coming years.

How much funding is programmed to non-infrastructure safety projects?

4%
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How much funding is obligated to non-infrastructure safety projects?

4%

How much funding was transferred in to the HSIP from other core program areas 

during the reporting period under 23 U.S.C. 126?

0%

How much funding was transferred out of the HSIP to other core program areas during 

the reporting period under 23 U.S.C. 126?

0%

Discuss impediments to obligating HSIP funds and plans to overcome this challenge in 

the future.

There are no impediments.
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General Listing of Projects

List the projects obligated using HSIP funds for the reporting period.

PROJECT 

NAME

IMPROVEMENT 

CATEGORY SUBCATEGORY OUTPUTS OUTPUT TYPE

HSIP 

PROJECT 

COST($)

TOTAL PROJECT 

COST($)

FUNDING 

CATEGORY

LAND 

USE/AREA 

TYPE

FUNCTIONAL 

CLASSIFICATION AADT SPEED OWNERSHIP

METHOD 

FOR SITE 

SELECTION

SHSP 

EMPHASIS 

AREA

SHSP 

STRATEGY

102168 - MS 7 

at MS 9W

Intersection 

traffic control

Modify control –

Modern 

Roundabout

1 Intersections $1570482 $1744980 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther11,585 55 State 

Highway 

Agency

Spot Intersections 4.1.1

103926 -

Safety 

Analysis 

Management 

System 

(SAMS)

Miscellaneous Data analysis 1 Crash 

Analysis 

Program

$600000 $666667 HSIP (23 

U.S.C. 148)

N/A N/A 0 NonInfrastructure 

Data Analysis 

Program

NonInfrastructure 

Data 

Analysis 

Program

This project 

supports 

other 

relevant 

SHSP 

strategies

This project 

supports 

other 

relevant 

SHSP 

strategies

106235 - US 

49 at Magnolia 

Dr

Intersection 

traffic control

Modify control –

new traffic signal

1 Intersections $6295 $6994 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther16,000 55 State 

Highway 

Agency

Spot Intersections 4.1.1

106235 - US 

49 at Hall St

Access 

management

Median 

crossover -

relocate/close 

crossover

1 Intersections $6295 $6994 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther0 State 

Highway 

Agency

Spot Intersections 4.1.6

108426 - MS 

13 from 

Lumberton to 

Marion County

Roadway Roadway 

widening - curve

14.5 Miles $621431 $690479 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 1,550 55 State 

Highway 

Agency

Spot Lane 

Departure

4.2.3

106626 - MS 

27 at Lee 

Ave/Old Hwy 

No. 1

Intersection 

traffic control

Modify control –

Modern 

Roundabout

1 Intersections $149651 $166279 HSIP (23 

U.S.C. 148)

Urban Minor Arterial 4,780 55 State 

Highway 

Agency

Spot Intersections 4.1.1

106699 - US 

84 at Auburn 

Rd

Intersection 

traffic control

Modify control –

new traffic signal

2 Intersections $275435 $306039 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther9,840 65 State 

Highway 

Agency

Spot Intersections 4.1.1

106856 -

SAMSv2

Miscellaneous Data analysis 1 Crash 

Analysis 

Program

$471666 $524073 HSIP (23 

U.S.C. 148)

N/A N/A 0 NonInfrastructure 

Data Analysis 

Program

NonInfrastructure 

Data 

Analysis 

Program

This project 

supports 

other 

relevant 

SHSP 

strategies

This project 

supports 

other 

relevant 

SHSP 

strategies

106857 - MS 

25 Tishomingo 

County

Intersection 

geometry

Intersection

geometry - other

38.9 Miles $6136167 $6817963 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther1,564 55 State 

Highway 

Agency

Spot Intersections 4.1.1, 4.1.2, 

4.1.3, 4.1.4, 

4.1.5

106863 - MS 

12 fr Station 

17+47 to 

Russell St

Access 

management

Raised island -

install new

1.2 Miles $8437 $9374 HSIP (23 

U.S.C. 148)

Urban Principal ArterialOther23,650 45 State 

Highway 

Agency

Spot Intersections 4.1.6
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PROJECT 

NAME

IMPROVEMENT 

CATEGORY SUBCATEGORY OUTPUTS OUTPUT TYPE

HSIP 

PROJECT 

COST($)

TOTAL PROJECT 

COST($)

FUNDING 

CATEGORY

LAND 

USE/AREA 

TYPE

FUNCTIONAL 

CLASSIFICATION AADT SPEED OWNERSHIP

METHOD 

FOR SITE 

SELECTION

SHSP 

EMPHASIS 

AREA

SHSP 

STRATEGY

106897 - US 

45A at Tarlton 

Rd

Intersection 

geometry

Innovative 

Intersection (e.g. 

MUT, RCUT, QR)

1 Intersections $130383 $144870 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther6,160 65 State 

Highway 

Agency

Spot Intersections 4.1.1

106952 -

Copiah County 

Safety Circuit 

Rider Project

Roadway 

delineation

Longitudinal 

pavement 

markings - 

remarking

28.5 Miles $-2737 $-3041 HSIP (23 

U.S.C. 148)

Rural Multiple/Varies 0 County 

Highway 

Agency

Spot Lane 

Departure

4.2.3

106961 -

Circuit Rider 

Sign 

Donation/Brite 

Stick Program

Roadway signs 

and traffic 

control

Roadway signs 

and traffic control 

- other

1 Statewide $0 $110741 State and 

Local Funds

Multiple/Varies Multiple/Varies 0 County and 

Municipality

Spot Roadway 

Departure, 

Intersections

4.1.4, 4.2.3

106965 - MS 

570 from I-55 

to US 51

Intersection 

traffic control

Systemic 

improvements – 

signal-controlled

7 Crossovers $-172445 $-191606 HSIP (23 

U.S.C. 148)

Urban Minor Arterial 11,000 35 State 

Highway 

Agency

Spot Intersections 4.1.2

106989 - US 

49W at MS 3

Intersection 

geometry

Intersection 

geometry - other

1 Intersections $-68483 $-76092 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 7,100 65 State 

Highway 

Agency

Spot Intersections 4.1.3

106997 - I-55 fr 

1 mi S of 

Martinsville 

[Exit 56] to 1 mi 

N of MS 27 

[Exit 72]

Roadside Barrier – cable 8.1 Miles $418879 $465421 HSIP (23 

U.S.C. 148)

Rural Principal ArterialInterstate25,510 70 State 

Highway 

Agency

Systemic Lane 

Departure

4.2.6

107037 - I-55 

at MS 302

Interchange 

design

Interchange 

improvements

2 Locations $-365772 $-406413 HSIP (23 

U.S.C. 148)

Urban Principal ArterialInterstate45,750 45 State 

Highway 

Agency

Spot Intersections 4.1.6

107109 - US 

278/SR 6 and 

SR 7 Cable 

Median Barrier

Roadside Barrier – cable 8.1 Miles $125732 $139702 HSIP (23 

U.S.C. 148)

Urban Principal ArterialOther Freeways & 

Expressways

26,040 55 State 

Highway 

Agency

Systemic Lane 

Departure

4.2.6

107127 - US 

90 Signal 

Upgrades - 

Hancock 

County

Intersection 

traffic control

Systemic 

improvements – 

signal-controlled

10 Intersections $-1033 $-1148 HSIP (23 

U.S.C. 148)

Urban Principal ArterialOther20,450 45 State 

Highway 

Agency

Spot Intersections 4.1.2

107181 - US 

49 SB Fr Main 

St in Mt. Olive 

to Walter Lott 

Rd. in 

Seminary

Shoulder 

treatments

Widen shoulder –

paved or other 

(includes add 

shoulder)

24.2 Miles $-2040096 $-2266773 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther11,050 65 State 

Highway 

Agency

Spot Lane 

Departure

4.2.5

107249 - US 

84 at Reservoir 

Intersection 

traffic control

Intersection 

traffic control - 

other

1 Intersections $2062005 $2291116.66666667 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther7,311 65 State 

Highway 

Agency

Spot Intersections 4.1.1
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PROJECT 

NAME

IMPROVEMENT 

CATEGORY SUBCATEGORY OUTPUTS OUTPUT TYPE

HSIP 

PROJECT 

COST($)

TOTAL PROJECT 

COST($)

FUNDING 

CATEGORY

LAND 

USE/AREA 

TYPE

FUNCTIONAL 

CLASSIFICATION AADT SPEED OWNERSHIP

METHOD 

FOR SITE 

SELECTION

SHSP 

EMPHASIS 

AREA

SHSP 

STRATEGY

Road/Magnolia 

Hill Road

107249 - US 

84 at MS 184 

(west of 

Waynesboro)

Access 

management

Change in 

access - close or 

restrict existing 

access

1 Intersections $2062005 $2291116.66666667 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther9,850 65 State 

Highway 

Agency

Spot Intersections 4.1.3

107251 - MS 

613 Systemic 

Curve 

Improvement 

Project

Roadway signs 

and traffic 

control

Curve-related 

warning signs 

and flashers

32.2 Miles $62866 $69851 HSIP (23 

U.S.C. 148)

Rural Major Collector 3,840 55 State 

Highway 

Agency

Spot Lane 

Departure

4.2.3

107253 - US 

49 btw Cato Rd 

and N Pine St

Access 

management

Median 

crossover - 

relocate/close 

crossover

1 Crossovers $121058 $134509 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther22,000 65 State 

Highway 

Agency

Spot Intersections 4.1.3

107253 - US 

61 at MS 553

Access 

management

Median 

crossover - 

directional 

crossover

1 Intersections $305 $339 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther14,700 65 State 

Highway 

Agency

Spot Intersections 4.1.1

107464 - US 

49 fr the Stone 

CL to South 

Gate Rd

Shoulder 

treatments

Widen shoulder –

paved or other 

(includes add 

shoulder)

19.9 Miles $6466982 $7185535.55555556 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther12,300 65 State 

Highway 

Agency

Spot Lane 

Departure

4.2.5

107526 - MS 

13 fr the 

Jefferson 

Davis CL to 

Bowen Rd

Roadside Removal of fixed 

objects (trees, 

poles, etc.)

12.7 Miles $1266880 $1407644 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 2,400 55 State 

Highway 

Agency

Spot Lane 

Departure

4.2.5

107684 - MS 1 

at Friars Point 

Rd

Advanced 

technology and 

ITS

Intersection 

Conflict Warning 

System (ICWS)

1 Intersections $36000 $40000 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 955 55 State 

Highway 

Agency

Spot Intersections 4.1.4

107731 - US 

49 Collins 

(Magnolia Ave, 

Shonna St, 

Cold Springs 

Rd)

Access 

management

Median 

crossover - 

directional 

crossover

3 Intersections $307210 $3540327 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther34,500 55 State 

Highway 

Agency

Spot Intersections 4.1.1

107793 -

District 3 

Districtwide 

Intersection 

Improvement 

Project

Intersection 

traffic control

Systemic 

improvements – 

stop-controlled

73 Intersections $36000 $40000 HSIP (23 

U.S.C. 148)

Rural Multiple/Varies 0 State 

Highway 

Agency

Spot Intersections 4.1.4
2021 Mississippi Highway Safety Improvement Program

Page 16 of 37

PROJECT 

NAME

IMPROVEMENT 

CATEGORY SUBCATEGORY OUTPUTS OUTPUT TYPE

HSIP 

PROJECT 

COST($)

TOTAL PROJECT 

COST($)

FUNDING 

CATEGORY

LAND 

USE/AREA 

TYPE

FUNCTIONAL 

CLASSIFICATION AADT SPEED OWNERSHIP

METHOD 

FOR SITE 

SELECTION

SHSP 

EMPHASIS 

AREA

SHSP 

STRATEGY

107901 - MS 

53 fr S of 

Cuevas Gravel 

Pit Rd to I-59

Roadway Rumble strips –

center

7.5 Miles $-61441 $-68268 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 2,950 55 State 

Highway 

Agency

Spot Lane 

Departure

4.2.2, 4.2.5

108014 -

District 6 

Districtwide 

Intersection 

Improvement 

Project

Intersection 

traffic control

Systemic 

improvements – 

stop-controlled

164 Intersections $4861163 $5401292 HSIP (23 

U.S.C. 148)

Rural Multiple/Varies 0 State 

Highway 

Agency

Spot Intersections 4.1.4

108069 - MS 7 

at Eddie L 

Smith Dr

Intersection 

traffic control

Modify control –

Modern 

Roundabout

1 Intersections $2258942 $2509936 HSIP (23 

U.S.C. 148)

Urban Principal ArterialOther8,790 40 State 

Highway 

Agency

Spot Intersections 4.1.1

108174 - US 

61 at Stoneville 

Rd/Elizabeth 

Rd/Old US 61

Advanced 

technology and 

ITS

Intersection 

Conflict Warning 

System (ICWS)

1 Intersections $504424 $560471 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther6,500 65 State 

Highway 

Agency

Spot Intersections 4.1.4

108247 - US 

49 at MS 35

Intersection 

traffic control

Intersection 

traffic control - 

other

1 Intersections $45000 $50000 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther18,980 65 State 

Highway 

Agency

Spot Intersections 4.1.2

108425 - US 

61 at MS 553

Intersection 

geometry

Innovative 

Intersection (e.g. 

MUT, RCUT, QR)

1 Intersections $2639236 $2932484 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther14,700 65 State 

Highway 

Agency

Spot Intersections 4.1.1

108459 - MS 

12 fr MS 50 to 

the AL State 

Line

Shoulder 

treatments

Widen shoulder –

paved or other 

(includes add 

shoulder)

15.5 Miles $90000 $100000 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 3,900 55 State 

Highway 

Agency

Spot Lane 

Departure

4.2.1, 4.2.2, 

4.2.5

108488 - I-110 

SB at US 90 

WB

Roadway Pavement 

surface – high 

friction surface

1 Curves $720000 $800000 HSIP (23 

U.S.C. 148)

Urban Principal ArterialInterstate4,800 35 State 

Highway 

Agency

Spot Lane 

Departure

4.2.8

108599 - I-59 

Slope 

Corrections in 

Pearl River 

County

Roadway Superelevation / 

cross slope

3 Locations $504315 $560350 HSIP (23 

U.S.C. 148)

Rural Principal ArterialInterstate23,125 70 State 

Highway 

Agency

Spot Lane 

Departure

4.2.4

108619 - Local 

Road 

Horizontal 

Curve Data 

Collection - 

Copiah and 

Warren 

Counties

Miscellaneous Data collection 1812 Miles $193500 $215000 HSIP (23 

U.S.C. 148)

Multiple/Varies Multiple/Varies 0 County 

Highway 

Agency

Spot Lane 

Departure

This project 

supports 

other 

relevant 

SHSP 

strategies
2021 Mississippi Highway Safety Improvement Program

Page 17 of 37

PROJECT 

NAME

IMPROVEMENT 

CATEGORY SUBCATEGORY OUTPUTS OUTPUT TYPE

HSIP 

PROJECT 

COST($)

TOTAL PROJECT 

COST($)

FUNDING 

CATEGORY

LAND 

USE/AREA 

TYPE

FUNCTIONAL 

CLASSIFICATION AADT SPEED OWNERSHIP

METHOD 

FOR SITE 

SELECTION

SHSP 

EMPHASIS 

AREA

SHSP 

STRATEGY

108633 - MS 

15 from 

Audubon Dr to 

I-59

Access 

management

Raised island -

install new

3.9 Miles $270000 $300000 HSIP (23 

U.S.C. 148)

Urban Principal ArterialOther27,000 45 State 

Highway 

Agency

Spot Intersections 4.1.6

108634 - MS 

67 from US 49 

to Lickskillet 

Rd

Access 

management

Median 

crossover - 

directional 

crossover

19.4 Miles $270000 $300000 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther10,550 65 State 

Highway 

Agency

Spot Intersections 4.1.6

108641 - MS 

302 at 

Braybourne 

Main

Intersection 

traffic control

Modify control –

new traffic signal

3 Intersections $157500 $175000 HSIP (23 

U.S.C. 148)

Urban Principal ArterialOther Freeways & 

Expressways

32,950 65 State 

Highway 

Agency

Spot Intersections 4.1.1

108642 - MS 3 

at MS 315

Advanced 

technology and 

ITS

Intersection 

Conflict Warning 

System (ICWS)

1 Intersections $36000 $40000 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 2,290 55 State 

Highway 

Agency

Spot Intersections 4.1.4

108667 - MS 

583 fr Topisaw 

Dr to US 84

Shoulder 

treatments

Widen shoulder –

paved or other 

(includes add 

shoulder)

5.6 Miles $618436 $1686613 HSIP (23 

U.S.C. 148)

Rural Major Collector 2,600 55 State 

Highway 

Agency

Spot Lane 

Departure

4.2.1

108800 - MS 9 

fr MS 12 to the 

Webster CL

Roadway Rumble strips –

edge or shoulder

15.2 Miles $10293 $3848507 HSIP (23 

U.S.C. 148)

Rural Minor Arterial 2,200 55 State 

Highway 

Agency

Systemic Lane 

Departure

4.2.1

108806 -

District 5 

Districtwide 

Intersection 

Improvement 

Project

Intersection 

traffic control

Systemic 

improvements – 

stop-controlled

84 Intersections $135000 $150000 HSIP (23 

U.S.C. 148)

Rural Multiple/Varies 0 State 

Highway 

Agency

Spot Intersections 4.1.4

108823 - US 

61 at Hambrick 

Rd

Intersection 

geometry

Innovative 

Intersection (e.g. 

MUT, RCUT, QR)

1 Intersections $225000 $250000 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther10,700 65 State 

Highway 

Agency

Spot Intersections 4.1.1

108839 - US 

49W fr Belzoni 

to Isola - WB 

lanes

Shoulder 

treatments

Widen shoulder –

paved or other 

(includes add 

shoulder)

7.6 Miles $1163410 $1292678 HSIP (23 

U.S.C. 148)

Rural Principal ArterialOther5,800 65 State 

Highway 

Agency

Systemic Lane 

Departure

4.2.1

108122 -

Lauderdale 

County Safety 

Circuit Rider 

Project

Roadway signs 

and traffic 

control

Curve-related 

warning signs 

and flashers

8 Locations $360000 $400000 HSIP (23 

U.S.C. 148)

Rural Multiple/Varies 0 County 

Highway 

Agency

Spot Lane 

Departure

4.2.3

- Funding values as shown above include both obligated expenditures so far this year for HSIP projects, as well as anticipated obligations for the remainder of this federal fiscal year (FFY). This information represents the best available 

data at this time for how Mississippi's HSIP funds are to be obligated this FFY.

- Any negative values provided for funding represent the return of funds to the program for one of the following reasons:

> A decreased project cost based on received bids
2021 Mississippi Highway Safety Improvement Program

Page 18 of 37

> Funds released at the project's close

> Funds released due to the project not moving forward within the HSIP

- Any "AADT" or "Speed" fields either with a 0 or that appear blank above are to be considered N/A - Not Applicable due to multiple routes or locations, or being non-infrastructure projects.

- Some projects listed above as being HSIP (23 U.S.C. 148) funded may also be partially funded with Penalty Funds (23 U.S.C. 154)
2021 Mississippi Highway Safety Improvement Program

Page 19 of 37

Safety Performance

General Highway Safety Trends

Present data showing the general highway safety trends in the State for the past five 

years.

PERFORMANCE 

MEASURES 2012 2013 2014 2015 2016 2017 2018 2019 2020

Fatalities 582 613 607 677 687 685 663 643 756

Serious Injuries 738 688 633 637 781 686 587 1,579 3,630

Fatality rate (per 

HMVMT)

1.510 1.580 1.540 1.700 1.690 1.680 1.630 1.560 1.910

Serious injury rate (per 

HMVMT)

1.910 1.780 1.600 1.600 1.920 1.680 1.440 3.840 9.180

Number non-motorized 

fatalities

58 60 68 75 72 80 96 78 117

Number of nonmotorized serious 

injuries

49 46 44 41 58 59 50 109 208
2021 Mississippi Highway Safety Improvement Program

Page 20 of 37

0

100

200

300

400

500

600

700

800

2012 2013 2014 2015 2016 2017 2018 2019 2020

Fatalities 5 Year Rolling Avg.

Annual Fatalities

0

500

1000

1500

2000

2500

3000

3500

4000

2012 2013 2014 2015 2016 2017 2018 2019 2020

Serious Injuries 5 Year Rolling Avg.

Annual Serious Injuries
2021 Mississippi Highway Safety Improvement Program

Page 21 of 37

0

0.5

1

1.5

2

2.5

2012 2013 2014 2015 2016 2017 2018 2019 2020

Fatality rate (per HMVMT) 5 Year Rolling Avg.

Fatality rate (per HMVMT)

0

1

2

3

4

5

6

7

8

9

10

2012 2013 2014 2015 2016 2017 2018 2019 2020

Serious injury rate (per HMVMT) 5 Year Rolling Avg.

Serious injury rate (per HMVMT)
2021 Mississippi Highway Safety Improvement Program

Page 22 of 37

- The 2020 reported fatalities for the state of Mississippi are an accurate representation of what we in the 

Mississippi HSIP anticipate the number to be based upon our own analyses as well as conversations with the 

state's FARS Analyst, the Department of Public Safety, and other applicable officials within the state. That 

number is not yet certified, though, and therefore may be subject to change before final admission into the 

FARS Public Database. This same note applies to the reported number of non-motorized fatalities for 2020.

- 2018 and 2019's listed fatality figures were revised due to an amendment made in the certified FARS data for 

Mississippi.

- Serious Injuries are reported using a combination of Mississippi's Safety Analysis Management System 

(SAMS) and direct queries against the Mississippi Department of Public Safety's (DPS) eCrash database.

- Serious Injuries recorded in 2020 have, as anticipated, experienced a significant increase from annual 

recorded Serious Injuries as shown in the previous years from 2018 prior. This is due to the state uniform 

crash reporting form being changed in September of 2019, which included the state adopting a MMUCC 4th 

edition-compliant definition of suspected serious injury. The previous Injury A was defined as:

"Life Threatening - Injuries where there is a high probability of the loss of life". Compare that with the new 

definition, which is:

"Suspected serious injury: A suspected serious injury is any injury other than fatal which results in one or more 

of the following: • Severe laceration resulting in exposure of underlying tissues/muscle/organs or resulting in 

significant loss of blood • Broken or distorted extremity (arm or leg) • Crush injuries • Suspected skull, chest or 

abdominal injury other than bruises or minor lacerations • Significant burns (second and third degree burns 

over 10% or more of the body) • Unconsciousness when taken from the crash scene • Paralysis" 

These definitions are vastly different, with the updated definition substantially increasing the type and total 

number of injuries that were not captured in previous Injury A crashes. Because specific information on injury 

types is not collected on the crash form, the state is also unable to extrapolate the data to do a true 

comparison of serious injury crashes: old definition versus new.

0

50

100

150

200

250

300

350

2012 2013 2014 2015 2016 2017 2018 2019 2020

Fatalities Serious Injuries 5 Year Rolling Avg.

Non Motorized Fatalities and Serious Injuries
2021 Mississippi Highway Safety Improvement Program

Page 23 of 37

Describe fatality data source.

FARS

To the maximum extent possible, present this data by functional classification and 

ownership.

Year 2020

Functional 

Classification

Number of Fatalities

(5-yr avg)

Number of Serious 

Injuries

(5-yr avg)

Fatality Rate

(per HMVMT)

(5-yr avg)

Serious Injury Rate

(per HMVMT)

(5-yr avg)

Rural Principal 

Arterial (RPA) - 

Interstate

53.8 73.2 1.17 1.57

Rural Principal 

Arterial (RPA) - Other 

Freeways and 

Expressways

0 0

Rural Principal 

Arterial (RPA) - Other

103.6 188.6 1.99 3.61

Rural Minor Arterial 109.6 189.8 3.09 5.36

Rural Minor Collector 12.6 34.2 3.09 8.44

Rural Major Collector 121.2 241 3.02 6.07

Rural Local Road or 

Street

53.6 141 0.93 2.48

Urban Principal 

Arterial (UPA) - 

Interstate

39.2 58.4 0.93 1.39

Urban Principal 

Arterial (UPA) - Other 

Freeways and 

Expressways

5.6 11.2 1.11 2.2

Urban Principal 

Arterial (UPA) - Other

81.2 208.4 1.59 4.12

Urban Minor Arterial 34 102 1.32 3.98

Urban Minor Collector 28.4 70.8 1.63 4.11

Urban Major Collector

Urban Local Road or 

Street

21 80 0.76 3.11
2021 Mississippi Highway Safety Improvement Program

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Year 2020

Roadways Number of Fatalities

(5-yr avg)

Number of Serious 

Injuries

(5-yr avg)

Fatality Rate

(per HMVMT)

(5-yr avg)

Serious Injury Rate

(per HMVMT)

(5-yr avg)

State Highway 

Agency

477.4 904 1.9 3.62

County Highway 

Agency

137.6 329.2 1.55 3.77

Town or Township 

Highway Agency

City or Municipal 

Highway Agency

73.2 239.8 1.15 3.87

State Park, Forest, or 

Reservation Agency

Local Park, Forest or 

Reservation Agency

Other State Agency

Other Local Agency

Private (Other than 

Railroad)

Railroad

State Toll Authority

Local Toll Authority

Other Public 

Instrumentality (e.g. 

Airport, School, 

University)

Indian Tribe Nation

- The Natchez Trace Parkway, a federally-maintained park that contains a roadway that runs the full length of 

the state from southwest to northeast, has a number of fatalities and serious injuries that were not reported 

above as there is no "Federal Park, Forest, or Reservation Agency" category.
2021 Mississippi Highway Safety Improvement Program

Page 25 of 37

Safety Performance Targets

Safety Performance Targets

Calendar Year 2022 Targets *

Number of Fatalities:723.0

Describe the basis for established target, including how it supports SHSP goals.

MDOT's performance target for number of fatalities is based on a five year rolling average developed using 12 

years' (2009-2020) worth of historical crash data. Prediction models are developed using Excel's 

FORECAST.ETS exponential triple smoothing formula. While we always maintain a target of zero fatalities, 

historical trends in the state are more in line with what is presented as the "target" for the state.

Number of Serious Injuries:2905.0

Describe the basis for established target, including how it supports SHSP goals.

MDOT's performance target for number of serious injuries is based on a five year rolling average developed 

using 1.3 years' (September 2019-2020) worth of historical crash data. Prediction models are developed using 

Excel's FORECAST.ETS exponential triple smoothing formula. Mississippi's performance target submitted for 

2022 is substantially higher than it has been in previous years, continuing a trend that began with 2021 

performance targets. These substantially increased figures are due to a change in 2019 to how the state 

defines serious injury. An update was made in order to meet national standards and requirements for MMUCC 

4th edition, and this was incorporated into the DPS' new eCrash reporting form used by Law Enforcement 

Officials (LEOs). With the change in place, Mississippi speculated in last year's report that it anticipated 2020 

suspected serious injuries to show a sharp increase over 2019 numbers. That premonition came true with the 

state reporting 3,630 suspected serious injuries for this past year. Though we maintain a true target of lowering 

suspected serious injuries to zero, the state must set its target in line with historical trends - including 

accounting for the recent rise due to the definition change.

Fatality Rate:1.810

Describe the basis for established target, including how it supports SHSP goals.

MDOT's performance target for number of fatalities is based on a five year rolling average developed using 12 

years' (2009-2020) worth of historical crash data. The volumes used to calculate the rates are provided by 

MDOT's Planning Division.

Serious Injury Rate:7.300

Describe the basis for established target, including how it supports SHSP goals.

MDOT's performance target for number of serious injuries is based on a five year rolling average developed 

using 1.3 years' (September 2019-2020) worth of historical crash data. The volumes used to calculate the 

rates are provided by MDOT's Planning Division.

Total Number of Non-Motorized Fatalities and Serious Injuries:349.6

Describe the basis for established target, including how it supports SHSP goals.

MDOT's performance target for number of non-motorized fatalities and suspected serious injuries is based on 

a five year rolling average developed using 1.3 years' (September 2019-2020) worth of historical crash data. 

Prediction models are developed using Excel's FORECAST.ETS exponential triple smoothing formula. While 
2021 Mississippi Highway Safety Improvement Program

Page 26 of 37

we always maintain a target of zero fatalities, historical trends in the state are more in line with what is 

presented.

While developing performance targets, MDOT's HSIP personnel met virtually numerous times with the 

Mississippi Office of Highway Safety (MOHS), who is responsible for the state's NHTSA Highway Safety Plan 

(HSP). Our offices worked hand in hand to determine the mutually agreed upon performance targets regarding 

fatalities, fatality rate, and serious injuries that are included in both the HSP as well as the HSIP Report.

The remaining two targets - serious injury rate and non-motorized fatalities and serious injuries - were set 

using the same analysis tools and procedures as the three shared goals with MOHS.

Describe efforts to coordinate with other stakeholders (e.g. MPOs, SHSO) to establish 

safety performance targets. 

MDOT worked hand-in-hand alongside the Mississippi Office of Highway Safety (MOHS) in reviewing the data 

necessary to develop the three shared safety performance targets: Fatalities, Fatality Rate, and Serious 

Injuries. MDOT - more specifically the staff responsible for management of the state's HSIP - worked from 

there to review data available and develop the two remaining performance targets: Serious Injury Rate and 

Non-Motorized Fatalities and Serious Injuries.

Does the State want to report additional optional targets? 

No

Describe progress toward meeting the State’s 2020 Safety Performance Targets (based 

on data available at the time of reporting). For each target, include a discussion of any 

reasons for differences in the actual outcomes and targets.

PERFORMANCE MEASURES TARGETS ACTUALS

Number of Fatalities 682.0 686.8

Number of Serious Injuries 661.0 1452.6

Fatality Rate 1.690 1.694

Serious Injury Rate 1.570 3.612

Non-Motorized Fatalities and 

Serious Injuries

145.5 185.4

For the first time since performance target reporting began, Mississippi missed its target for fatality-related 

measures (fatalities, fatality rate, and non-motorized fatalities and serious injuries). This is largely due to an 

unanticipated 100-plus fatality jump from 2019 to 2020. This significant increase caused the state to miss these 

marks.

As far as serious injury-related measures, the 2020 Safety Performance Measures were developed, discussed 

and submitted in the late summer of 2019. In September 2019, the Mississippi Department of Public Safety 

(DPS) updated its statewide crash report. As a part of that effort, the Mississippi DPS also updated its 

definition for "serious injury" in order to meet NHTSA's MMUCC 4th edition and be in compliance. As 

mentioned in detail in Question 30, the previous injury A definition was defined as "Life Threatening" and did 

not include injuries that are now include under the national "Serious Injury" definition (i.e. broken bone, non-life 

threatening lacerations, etc.) As a result of this, the reported serious injuries increase by 5 to 7 times previous 

year values in the last 4 months of 2019, and that trend continued in 2020 as the state reported 3,630 

suspected serious injuries. Again, because the targets were set in a time when the state was without any 
2021 Mississippi Highway Safety Improvement Program

Page 27 of 37

sense of what the impact of this definition change would be, we were unable to accurately project and develop 

targets for these categories.

Despite the objections to the circumstances surrounding the affected performance measures, Mississippi is 

fully committed to developing another HSIP Implementation Plan for FFY 2023 based on the fact that we do 

not anticipate passing our performance targets for FFY 2020.

Applicability of Special Rules

Does the HRRR special rule apply to the State for this reporting period? 

No

Provide the number of older driver and pedestrian fatalities and serious injuries 65 

years of age and older for the past seven years.

PERFORMANCE 

MEASURES 2014 2015 2016 2017 2018 2019 2020

Number of Older Driver 

and Pedestrian Fatalities

66 68 97 90 92 107 77

Number of Older Driver 

and Pedestrian Serious 

Injuries

25 33 47 57 41 130 257
2021 Mississippi Highway Safety Improvement Program

Page 28 of 37

Evaluation

Program Effectiveness

How does the State measure effectiveness of the HSIP?

• Other-Before and After Crash Analysis

Based on the measures of effectiveness selected previously, describe the results of 

the State's program level evaluations.

Mississippi tracks crash data - before construction begins as well as after construction is completed - for all 

projects in the state which utilize HSIP funds in any way (excludes planning projects as well as PE-only 

expenditures). The state tracks project area crash data for a five year time period for before and after 

construction is completed. While it does begin post-construction tracking immediately, Mississippi does not 

begin reporting project performance in the report until at least three years of post-construction data is available.

Beginning in 2020, Mississippi began to more closely track the effectiveness of these projects at reducing 

targeted crash typesas well as the more severe (fatal and serious injury) crashes present at the location. This 

moves away from an older practice of tracking project effectiveness by comparing all crashes in the project 

area in the before and after periods. Mississippi believes that this will give a better sense of the true 

effectiveness of our projects, as well as aid in the state's long-term goal of developing state-specific Crash 

Reduction Factors based on Mississippi projects.

In reviewing the project tracking matrix provided as an attachment to the report and the data included therein, 

Mississippi noted several points of interest as they relate to the overall data trends. For the projects that met 

the minimum three year before and after period criteria, Mississippi noted a 20% cumulative reduction in 

targeted crashes on a per-year basis. This is a good indicator that overall, the projects selected are 

producing the kind of crash reductions that the state hopes to achieve. On the other side of things, some 

projects have seen an increase in the targeted crash type. A large portion of the projects producing an 

increase in targeted crash type involve installation of a new traffic signal or modification of an existing traffic 

signal. Though disappointing, this information is incredibly useful as it can help Mississippi better assess a 

countermeasure's effectiveness at certain locations involving certain road characteristics and potentially 

remove or de-prioritize those that aren't as well-performing as a part of its overall program.

What other indicators of success does the State use to demonstrate effectiveness and 

success of the Highway Safety Improvement Program?

• # miles improved by HSIP

• HSIP Obligations

• Increased awareness of safety and data-driven process

• Increased focus on local road safety

• More systemic programs

• Organizational change

• Policy change
2021 Mississippi Highway Safety Improvement Program

Page 29 of 37

Effectiveness of Groupings or Similar Types of Improvements

Present and describe trends in SHSP emphasis area performance measures.

Year 2020

SHSP Emphasis Area Targeted Crash 

Type

Number of 

Fatalities

(5-yr avg)

Number of 

Serious 

Injuries

(5-yr avg)

Fatality Rate

(per HMVMT)

(5-yr avg)

Serious Injury 

Rate

(per HMVMT)

(5-yr avg)

Intersection Crashes Intersections 121 418.2

Lane Departure 

Crashes

Run off Road 

(Right, Left, and 

Straight), 

Opposite 

Direction 

Sideswipe, 

Sideswipe, Head 

On

394.2 726.6 0.97 1.8
2021 Mississippi Highway Safety Improvement Program

Page 30 of 37

0

50

100

150

200

250

300

350

400

450

Intersection Crashes Lane Departure Crashes

Fatalities

2012-2016 2013-2017 2014-2018 2015-2019 2016-2020

Number of Fatalities 

5 Year Average

0

100

200

300

400

500

600

700

800

Intersection Crashes Lane Departure Crashes

Serious Injuries

2012-2016 2013-2017 2014-2018 2015-2019 2016-2020

Number of Serious Injuries 

5 Year Average
2021 Mississippi Highway Safety Improvement Program

Page 31 of 37

0

0.2

0.4

0.6

0.8

1

1.2

Intersection Crashes Lane Departure Crashes

Fatality Rate

2012-2016 2013-2017 2014-2018 2015-2019 2016-2020

Fatality Rate (per HMVMT) 

5 Year Average

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

Intersection Crashes Lane Departure Crashes

Serious Injury Rate

2012-2016 2013-2017 2014-2018 2015-2019 2016-2020

Serious Injury Rate (per HMVMT) 

5 Year Average
2021 Mississippi Highway Safety Improvement Program

Page 32 of 37

Project Effectiveness

Provide the following information for previously implemented projects that the State evaluated this reporting period. 
2021 Mississippi Highway Safety Improvement Program

Page 33 of 37

Compliance Assessment

What date was the State’s current SHSP approved by the Governor or designated State representative?

 01/03/2019

What are the years being covered by the current SHSP?

From: 2019 To: 2024

When does the State anticipate completing it’s next SHSP update?

 2024

Mississippi will begin work on its next SHSP in time to have a new plan in place by January 2024.

Provide the current status (percent complete) of MIRE fundamental data elements collection efforts using the table below. 

*Based on Functional Classification (MIRE 1.0 Element Number) [MIRE 2.0 Element Number]

ROAD TYPE *MIRE NAME (MIRE 

NO.)

NON LOCAL PAVED

ROADS - SEGMENT

NON LOCAL PAVED

ROADS - INTERSECTION

NON LOCAL PAVED

ROADS - RAMPS LOCAL PAVED ROADS UNPAVED ROADS

STATE NON-STATE STATE NON-STATE STATE NON-STATE STATE NON-STATE STATE NON-STATE

ROADWAY SEGMENT Segment Identifier 

(12) [12]

100 100 100 100 100 100

Route Number (8) 

[8]

100 100

Route/Street Name 

(9) [9]

100 100

Federal Aid/Route 

Type (21) [21]

100 100

Rural/Urban 

Designation (20) [20]

100 100 100 100

Surface Type (23) 

[24]

100 100 100 100

Begin Point 

Segment Descriptor 

(10) [10]

100 100 100 100 100 100

End Point Segment 

Descriptor (11) [11]

100 100 100 100 100 100

Segment Length 

(13) [13]

100 100

Direction of 

Inventory (18) [18]

100 100

Functional Class 

(19) [19]

100 100 100 100 100 100
2021 Mississippi Highway Safety Improvement Program

Page 34 of 37

ROAD TYPE *MIRE NAME (MIRE 

NO.)

NON LOCAL PAVED

ROADS - SEGMENT

NON LOCAL PAVED

ROADS - INTERSECTION

NON LOCAL PAVED

ROADS - RAMPS LOCAL PAVED ROADS UNPAVED ROADS

STATE NON-STATE STATE NON-STATE STATE NON-STATE STATE NON-STATE STATE NON-STATE

Median Type (54) 

[55]

100 100

Access Control (22) 

[23]

100 100

One/Two Way 

Operations (91) [93]

100 100

Number of Through 

Lanes (31) [32]

100 100 100 100

Average Annual 

Daily Traffic (79) [81]

100 100 100 100

AADT Year (80) [82] 100 100

Type of 

Governmental 

Ownership (4) [4]

100 100 100 100 100 100

INTERSECTION Unique Junction 

Identifier (120) [110]

100 100

Location Identifier 

for Road 1 Crossing 

Point (122) [112]

100 100

Location Identifier 

for Road 2 Crossing 

Point (123) [113]

100 100

Intersection/Junction 

Geometry (126) 

[116]

100 100

Intersection/Junction 

Traffic Control (131) 

[131]

98 98

AADT for Each 

Intersecting Road 

(79) [81]

100 100

AADT Year (80) [82] 100 100

Unique Approach 

Identifier (139) [129]

100 100

INTERCHANGE/RAMP Unique Interchange 

Identifier (178) [168]

100 100

Location Identifier 

for Roadway at 

100 100
2021 Mississippi Highway Safety Improvement Program

Page 35 of 37

ROAD TYPE *MIRE NAME (MIRE 

NO.)

NON LOCAL PAVED

ROADS - SEGMENT

NON LOCAL PAVED

ROADS - INTERSECTION

NON LOCAL PAVED

ROADS - RAMPS LOCAL PAVED ROADS UNPAVED ROADS

STATE NON-STATE STATE NON-STATE STATE NON-STATE STATE NON-STATE STATE NON-STATE

Beginning of Ramp 

Terminal (197) [187]

Location Identifier 

for Roadway at 

Ending Ramp 

Terminal (201) [191]

100 100

Ramp Length (187) 

[177]

100 100

Roadway Type at 

Beginning of Ramp 

Terminal (195) [185]

100 100

Roadway Type at 

End Ramp Terminal 

(199) [189]

100 100

Interchange Type 

(182) [172]

100 100

Ramp AADT (191) 

[181]

100 100

Year of Ramp AADT 

(192) [182]

100 100

Functional Class 

(19) [19]

100 100

Type of 

Governmental 

Ownership (4) [4]

100 100

Totals (Average Percent Complete): 100.00 100.00 99.75 99.75 100.00 100.00 100.00 100.00 100.00 100.00

*Based on Functional Classification (MIRE 1.0 Element Number) [MIRE 2.0 Element Number]

While MDOT has reviewed traffic control for 100% of the state, traffic control for several locations remains indeterminate. The state will continue working towards 100% completion of this effort as available data allows.

Describe actions the State will take moving forward to meet the requirement to have complete access to the MIRE fundamental data elements on all public roads by September 30, 2026.

The state is in the final stages of completing this assessment with only intersection traffic control remaining. As critical data becomes accessible to aid in this effort, the state intends to finish these remaining items in time to meet the 2026 

deadline
Page 36 of 37

2021 Mississippi Highway Safety Improvement Program

Optional Attachments 

Program Structure:

Project Implementation:

Safety Performance:

Evaluation:

Q46 - Before and After Tracking.pdf

Compliance Assessment:
2021 Mississippi Highway Safety Improvement Program

Page 37 of 37

Glossary

5 year rolling average: means the average of five individuals, consecutive annual points of data 

(e.g. annual fatality rate).

Emphasis area: means a highway safety priority in a State’s SHSP, identified through a data-driven, 

collaborative process.

Highway safety improvement project: means strategies, activities and projects on a public road 

that are consistent with a State strategic highway safety plan and corrects or improves a hazardous 

road location or feature or addresses a highway safety problem.

HMVMT: means hundred million vehicle miles traveled.

Non-infrastructure projects: are projects that do not result in construction. Examples of noninfrastructure projects include road safety audits, transportation safety planning activities, 

improvements in the collection and analysis of data, education and outreach, and enforcement 

activities.

Older driver special rule: applies if traffic fatalities and serious injuries per capita for drivers and 

pedestrians over the age of 65 in a State increases during the most recent 2-year period for which 

data are available, as defined in the Older Driver and Pedestrian Special Rule Interim Guidance 

dated February 13, 2013.

Performance measure: means indicators that enable decision-makers and other stakeholders to 

monitor changes in system condition and performance against established visions, goals, and 

objectives.

Programmed funds: mean those funds that have been programmed in the Statewide Transportation 

Improvement Program (STIP) to be expended on highway safety improvement projects.

Roadway Functional Classification: means the process by which streets and highways are 

grouped into classes, or systems, according to the character of service they are intended to provide.

Strategic Highway Safety Plan (SHSP): means a comprehensive, multi-disciplinary plan, based on 

safety data developed by a State Department of Transportation in accordance with 23 U.S.C. 148.

Systematic: refers to an approach where an agency deploys countermeasures at all locations across 

a system.

Systemic safety improvement: means an improvement that is widely implemented based on high 

risk roadway features that are correlated with specific severe crash types.

Transfer: means, in accordance with provisions of 23 U.S.C. 126, a State may transfer from an 

apportionment under section 104(b) not to exceed 50 percent of the amount apportioned for the fiscal 

year to any other apportionment of the State under that section.