Idaho 

Highway Safety Improvement Program

2014 Annual Report

Prepared by: ID

 
ii 

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. 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.”
iii 

Table of Contents

Disclaimer...................................................................................................................................................... ii

Executive Summary....................................................................................................................................... 1

Introduction .................................................................................................................................................. 2

Program Structure ........................................................................................................................................ 2

Program Administration ........................................................................................................................... 2

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

Progress in Implementing Projects............................................................................................................. 12

Funds Programmed............................................................................................................................. 12

General Listing of Projects.................................................................................................................. 17

Progress in Achieving Safety Performance Targets .................................................................................... 24

Overview of General Safety Trends........................................................................................................ 24

Application of Special Rules.................................................................................................................... 38

Assessment of the Effectiveness of the Improvements (Program Evaluation) ..........................................40

SHSP Emphasis Areas.............................................................................................................................. 42

Groups of similar project types............................................................................................................... 47

Systemic Treatments............................................................................................................................... 52

Glossary....................................................................................................................................................... 60
2014 Idaho Highway Safety Improvement Program

1 

Executive Summary

The Idaho Transportation Department (ITD) continues to work on enhancing the Highway Safety 

Improvement Program (HSIP) for all public roadways in Idaho. ITD had recently developed a planning 

and prioritization tool, the Highway Safety Corridor Analysis (HSCA), examines and prioritizes safety on a 

corridor approach. This process uses key concepts from the Highway Safety Manual and has been used 

to select projects for the 2015 STIP. Automation of many of the steps in the HSCA tool is now being 

develop to enhance the effectiveness of the too. At the local level, work continues by the Idaho Local 

Highway Technical Advisory Council (LHTAC) to plan and prioritize highway safety projects at the local 

level. LHTAC continues to enhance their process based on the fatal and serious injuries to determine 

what jurisdiction have priority for HSIP funding. 

 

Finally, ITD continues the use of HSIP funds for the behavior programs. This is an effective use of the 

money as Idaho continues to balance the safety program by utilizing the contributes of engineering, 

education, enforcement and emergency response. 
2014 Idaho Highway Safety Improvement Program

2 

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 MAP-21 Reporting Guidance dated February 13, 2013 and consists 

of four sections: program structure, progress in implementing HSIP projects, 

progress in achieving safety performance targets, and assessment of the 

effectiveness of the improvements. 

Program Structure

Program Administration

How are Highway Safety Improvement Program funds allocated in a State? 

Central

District

Other

Describe how local roads are addressed as part of Highway Safety Improvement Program. 

Currently local roads are being addressed by the following resolution that was implemented by ITD in 

August of 2010.

WHEREAS, on August 10, 2005 the Safe, Accountable, Flexible, Efficient Transportation Equity Act – a 

Legacy for Users (SAFETEA-LU) created the core Highway Safety Improvement Program (HSIP) for 

utilization by the states; and WHEREAS, Idaho shall develop, implement, and evaluate on an annual basis 

a HSIP that has the overall objective of significantly reducing the occurrence of and the potential for 

fatalities and serious injuries resulting from crashes on all public roads; and WHEREAS, discussions have 
2014 Idaho Highway Safety Improvement Program

3 

been held with the Local Highway Technical Assistance Council (LHTAC) regarding the application of the 

HSIP to the local roads level in order to meet the intent of SAFETEA-LU; and WHEREAS, it is recognized 

that the majority of the local highway system does not have the exposure (volumetric) data in order to 

perform an equitable analysis to determine appropriate safety project selection on a statewide basis. 

NOW THEREFORE BE IT RESOLVED, that the Idaho Transportation Department supports the allocation of 

a portion of HSIP funding to LHTAC in order to fulfill the intent of SAFETEA-LU; and BE IT FURTHER 

RESOLVED, that the Department shall accomplish the expansion of the HSIP to the local level by: 1) 

Working with LHTAC to analyze existing crash data to determine the top crash locations based on 

frequency and severity recognizing this methodology is acceptable to the Federal Highway 

Administration. 2) Not limiting HSIP funding only to the state highway system. 3) Establishment of the 

Safe Highway and Facilities Team to evaluate and balance the HSIP. LHTAC would be Granted a seat on 

this team and the Districts and LHTAC would be responsible for individual project selection and 

management of their projects and associated funds within the HSIP. 4) Requiring LHTAC to follow all the 

HSIP criteria as established by FHWA. This would include the instruction given in the Capital Investment 

Program update for the latest Statewide Transportation Improvement Program. 5) Supporting and 

assisting where possible LHTAC in the establishment of a program for the collection of exposure 

(volumetric) data to support this program and to further meet the requirements of SAFETEA-LU. This 

includes a local road base map. Once local exposure data can be determined and collected and the local 

road base map is complete, proportional distribution of funding can be better refined and incorporated 

into the HSIP. In accordance with the resolution, a formula was created to determine the proportion of 

the HSIP funding that will be distributed for the state highway system and for the local system. This 

formula is based on road lane mileage, average daily traffic counts and the percentage of fatalities and 

serious injuries on each system. The distributionof funding is reflected in the Statewide Transportation 

Improvement Program approved by the ITD board. Funding will begin with the Federal Fiscal Year 2014.

About 40% of the HSIP funding is designated for the local roads. The local highway technical assistance 

council (LHTAC) is currently evaluating the local road system and soliciting bids from local highway 

districts for projects. Additional money was transferred to the HSIP program thru the 164 penalty 

transfer. None of this 5.5 million was used for local roads so the actual % for 2014 was 21%.

Item #3 in the policy discusses having a team to evaluate and balance the HSIP. This team was briefly in 

existence but now has been changed. The new procedure is addressed in Chief Operations Officer 

Memo 2. The following information is directly from the memo: 

• Projects must be consistent with the strategies in the SHSP

• Projects align with the project criteria outlined in MAP-21

• Projects must be safety data utilized. 

 

Projects are required to correct or improve highway safety in an identified highway safety corridor, 

specific location or address highway safety problem utilizing a systematic approach. The Districts and 
2014 Idaho Highway Safety Improvement Program

4 

the Local Highway Technical Assistance Council (LHTAC) are responsible to scope and develop safety 

projects for insertion into the HSIP. Projects will be combined by the Office of Transportation 

Investment (OTI) for review and final acceptance by the Division of Highways. A copy of the memo is 

attached for reference. 

Item #5 in the policy addresses establishing a program to help the LHTAC collect volume data. Although 

there has been some informal discussion on this, nothing formal has been done at this time.

Identify which internal partners are involved with Highway Safety Improvement Program planning. 

Design

Planning

Maintenance

Operations

Governors Highway Safety Office

Other: Other-Office of Highway Safety

Other: Other-Local Highway Technical Assistance Council

Briefly describe coordination with internal partners. 

Program Features:

The primary features of the HSIP include the requirement for a comprehensive, data utilized, SHSP that 

defines State safety goals and describes a program of strategies to improve safety. To obligate HSIP 

funds Idaho has developed and implemented a Strategic Highway Safety Plan (SHSP) that outlines 

strategies to address identified safety problems, and evaluate the progress on a regular basis.

 

Idaho has updated the SHSP and the latest verson was approved by the Idaho Transportation Board 

and signed by Director Ness on April 10, 2013. This meets the requirements of MAP-21. Work has 

started with FHWA (pilot project) on evaluating the SHSP and this project should be completed by the 

end of 2014.
2014 Idaho Highway Safety Improvement Program

5 

 

HSIP Project Identification:

Idaho generated Chief Operations Officer Memo 2 to the attention of the District Engineers for the 

purpose to outline management of the HSIP. The primary instruction is:

1. Projects must be consistent with the strategies in the SHSP

2. Projects align with the project criteria outlined in MAP-21

3. Projects must be safety data utilized.

 

Projects are required to correct or improve highway safety in an identified highway safety corridor, 

specific location or address highways safety problems utilizing a systemic approach. The Districts and 

the Local Highway Technical Assistance Council (LHTAC) are responsible to scope and develop safety 

projects for insertion into the HSIP. Projects will be combined by the Office of Transportation 

Investment (OTI) for review and final acceptance by the Division of Highways. A copy of the memo is 

attached for reference.

 

HSIP Management:

The Office of Highway Safety will review the defined highway safety corridors after previous years 

crash data is published to update and again in late spring to balance the program prior to submission 

to OTI for inclusion into the STIP.

See attachments for COO #2 

Identify which external partners are involved with Highway Safety Improvement Program planning. 

Metropolitan Planning Organizations

Governors Highway Safety Office

Local Government Association

Other: Other-Local Highway Technical Assistance Council-representing all local highway districts

Identify any program administration practices used to implement the HSIP that have changed since 

the last reporting period. 

Multi-disciplinary HSIP steering committee
2014 Idaho Highway Safety Improvement Program

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Other: Other-no changes since last year

Describe any other aspects of Highway Safety Improvement Program Administration on which you 

would like to elaborate. 

 

 

Below is an excerpt from Idaho's FY 15 Program Update Document. It shows the emphasis on a 

data driven approach and alignment with the SHSP.

A “Highway Safety Improvement Project” includes strategies, activities, and projects on a public road that 

are consistent with a SHSP and

• Correct or improve a hazardous road location or feature; or

• Address a highway safety problem.

Data-driven process: 

Highway safety improvement projects must be identified on the basis of crash experience, crash potential, 

crash rate, or other data-supported means. (23 USC 148(c)(2)(B)). The general framework for the 

identification and analysis of highway safety problems and counter-measure opportunities is defined in 23 

U.S.C. 148(c)(2). This framework is consistent with general roadway safety management practices in that 

States should:

• Identify safety problems either through a site analysis or systemic approach;

• Identify countermeasures to address those problems;

• Prioritize projects for implementation; and

• Evaluate projects to determine their effectiveness.
2014 Idaho Highway Safety Improvement Program

7 

The Idaho Transportation Department’s use of the Highway Safety Corridor planning and prioritization 

process should be utilized to identify locations for highway safety projects.

Program Methodology

Select the programs that are administered under the HSIP. 

Median Barrier Intersection Safe Corridor

Horizontal Curve Bicycle Safety Rural State Highways

Skid Hazard Crash Data Red Light Running Prevention

Roadway Departure Low-Cost Spot Improvements Sign Replacement And 

Improvement

Local Safety Pedestrian Safety Right Angle Crash

Left Turn Crash Shoulder Improvement Segments

Other: Other-Highway Safety 

Corridor

 

Program: Other-Highway Safety Corridor

Date of Program Methodology: 1/1/2013

 

What data types were used in the program methodology? 

Crashes Exposure Roadway

All crashes Traffic Median width

Fatal crashes only Volume Horizontal curvature

Fatal and serious injury Population Functional classification

crashes only
2014 Idaho Highway Safety Improvement Program

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Other Lane miles Roadside features

Other Other 

What project identification methodology was used for this program? 

Crash frequency

Expected crash frequency with EB adjustment

Equivalent property damage only (EPDO Crash frequency)

EPDO crash frequency with EB adjustment

Relative severity index

Crash rate

Critical rate

Level of service of safety (LOSS)

Excess expected crash frequency using SPFs

Excess expected crash frequency with the EB adjustment

Excess expected crash frequency using method of moments

Probability of specific crash types

Excess proportions of specific crash types

Other 

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

Yes

No

How are highway safety improvement projects advanced for implementation?

Competitive application process
2014 Idaho Highway Safety Improvement Program

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Selection committee

Other 

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).

Relative Weight in Scoring

Rank of Priority Consideration

Ranking based on B/C 1

Available funding

Incremental B/C

Ranking based on net benefit

Other 

What proportion of highway safety improvement program funds address systemic improvements? 

20

Highway safety improvment program funds are used to address which of the following systemic 

improvments?

Cable Median Barriers Rumble Strips

Traffic Control Device Rehabilitation Pavement/Shoulder Widening

Install/Improve Signing Install/Improve Pavement Marking and/or 

Delineation 
2014 Idaho Highway Safety Improvement Program

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Upgrade Guard Rails Clear Zone Improvements

Safety Edge Install/Improve Lighting

Add/Upgrade/Modify/Remove Traffic Signal Other 

What process is used to identify potential countermeasures? 

Engineering Study

Road Safety Assessment

Other: Other-Highway Safety Corridor Analysis process

Identify any program methodology practices used to implement the HSIP that have changed since the 

last reporting period.

Highway Safety Manual

Road Safety audits

Systemic Approach

Other: 
2014 Idaho Highway Safety Improvement Program

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Describe any other aspects of the Highway Safety Improvement Program methodology on which you 

would like to elaborate. 

Our Highway Safety Corridor Analysis (HSCA) program was utilized during this fiscal year. Numerous 

districts used the information from the output of the process to program projects into the STIP. A few 

of the districts are hoping to continue to use the list for future projects and other districts are ready for 

a new list. We are currently working on automating as much of the system as possible so the lists can be 

produced in a more timely manner.

The HSCA uses rates and frequency of fatal and serious injuries to determine priority areas. Once the 

priority areas are selected, countermeasures are determined for each of the road section. A cost/benefit 

analysis of the priority areas is then used to determine which projects would have the best benefit.
2014 Idaho Highway Safety Improvement Program

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Progress in Implementing Projects

Funds Programmed

Reporting period for Highway Safety Improvement Program funding.

Calendar Year

State Fiscal Year

Federal Fiscal Year

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

Funding Category Programmed* Obligated

HSIP (Section 148) 20247817 79 % 12355063 69 %

HRRRP (SAFETEA-LU)

HRRR Special Rule

Penalty Transfer -

Section 154

Penalty Transfer 

Section 164

– 5462183 21 % 5462183 31 %

Incentive Grants - 

Section 163

Incentive Grants 

(Section 406)

Other 

Funds 

Federal-aid 

(i.e. STP, NHPP)

State and Local Funds
2014 Idaho Highway Safety Improvement Program

13

Totals 25710000 100% 17817246 100%

How much funding is programmed to local (non-state owned and maintained) safety projects? 

$4,185,000.00

How much funding is obligated to local safety projects?

$3,869,181.00

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

$1,000,000.00

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

$581,882.00

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

period?

$5,400,000.00
2014 Idaho Highway Safety Improvement Program

14

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

period? 

$7,939,711.00

Discuss impediments to obligating Highway Safety Improvement Program funds and plans to 

overcome this in the future. 

ITD is currently obligating the funds for both state system and local system projects. One minor 

impediment is ensuring that data is available for analysis to ensure the projects are chosen using a data 

driven method. The Highway Safety Corridor Analysis process can take time and resources are not 

always available to produce the lists of possible projects to be evaluated. ITD is currently working on 

automating as much of our HSCA process as possible to help reduce the time needed. In the past, 

money has been transferred out of the HSIP into other programs. This will not be a problem in future 

years as the Districts and LHTAC will review the projects currently in the ITIP and take credit for work 

items that would qualify for HSIP funding.

Describe any other aspects of the general Highway Safety Improvement Program implementation 

progress on which you would like to elaborate.

I've copied a letter that was sent to the FHWA Division Adminstrator-Idaho Division that discusses some 

future changes in Idaho's HSIP process.

April 18, 2014

Mr. Peter Hartman

Division Administrator – Idaho Division

Federal Highway Administration

3050 Lake Harbor Lane, #126

Boise, ID 83703

Re: Highway Safety Improvement Program

Dear Mr. Hartman:
2014 Idaho Highway Safety Improvement Program

15

Highway safety remains as one of the primary objectives of the Idaho Transportation Department. 

Plans are now underway to populate the Highway Safety Improvement Program (HSIP) with projects 

selected by the Districts and the Local Highway Technical Assistance Council (LHTAC) that utilizes 

highway safety data, aligns with the SHSP and fulfills the requirements of MAP-21. By meeting this 

objective, there will be no need in the future to transfer HSIP funds to other highway programs. For 

program years FY 15 to FY 18, the Districts and LHTAC will review the projects currently in Idaho 

Transportation Improvement Program (ITIP) to take credit for work items that would qualify for Highway 

Safety Improvement Program (HSIP) funding. The Department also will take advantage of opportunities 

to program or advance HSIP projects in FY 15 to FY 18 as these opportunities arise. For projects in FY 19 

and beyond, the process illustrated in Figure 1 will be utilized. 

Program Features:

The primary features of the HSIP include the requirement for a comprehensive, data-utilized, SHSP that 

defines State safety goals and describes a program of strategies to improve safety. To obligate HSIP 

funds Idaho has developed and implemented a Strategic Highway Safety Plan (SHSP) that outlines 

strategies to address identified safety problems, and evaluate the progress on a regular basis. 

Idaho has updated the SHSP and the latest version was approved by the Idaho Transportation Board 

and signed by Director Ness on April 10, 2013. This meets the requirements of MAP-21. Work has 

started with FHWA (pilot project) on evaluating the SHSP and this project should be completed by the 

end of 2014. 

HSIP Project Identification:

Idaho generated Chief Operations Officer Memo 2 to the attention of the District Engineers for the 

purpose to outline management of the HSIP. The primary instruction is:

Projects must be consistent with the strategies in the SHSP

• Projects align with the project criteria outlined in MAP-21

• Projects must be safety data utilized. 

 

Projects are required to correct or improve highway safety in an identified highway safety corridor, 

specific location or address highway safety problem utilizing a systematic approach. The Districts and 

the Local Highway Technical Assistance Council (LHTAC) are responsible to scope and develop safety 

projects for insertion into the HSIP. Projects will be combined by the Office of Transportation

Investment (OTI) for review and final acceptance by the Division of Highways. A copy of the memo is 

attached for reference. 
2014 Idaho Highway Safety Improvement Program

16

HSIP Management:

The Office of Highway Safety will review the defined highway safety corridors after previous years crash 

data is published to update and again in late spring to balance the program prior to submission to OTI 

for inclusion into the STIP. 

At its April meeting, the Idaho Transportation Board approved the creation of the Strategic Initiatives 

Program beginning in Fiscal Year 2019. A copy of the presentation is included with this letter. This 

program is the receptacle for all projects which address safety, mobility and economic opportunity. 

HSIP and other safety projects will be programmed in this area. There is a set aside or minimum 

guarantee to each district of $1 million per fiscal year, and an additional $13 or more in funds will be 

made available on a competitive basis that provides the best return on investment for safety, mobility 

and economic opportunity. Using planning and evaluation tools such as the Transportation Economic 

Development Impact System (TREDIS) and Investment Corridor Analysis Planning System (ICAPS) 

management systems, we factor reduction in fatalities and serious injuries as over 50% of the criteria 

for project selection and weight to ensure that we are providing adequate importance to the safety 

component of project selection.

If you would like to discuss this matter further, please contact me at 334-8802. 

 Sincerely, 

Dave Jones, P.E.

Chief Engineer

Cc: Brent Jennings, P.E.

 Highway Safety Manager
2014 Idaho Highway Safety Improvement Program

17

General Listing of Projects

List each highway safety improvement project obligated during the reporting period. 

Project Improvement Category Outp

ut 

HSIP 

Cost

Total 

Cost

Fundin

g 

Catego

ry 

Functional 

Classificati

on

AAD

T 

Spee

d 

Roadwa

y 

Owners

hip

Relationship to 

SHSP

Emphasis 

Area

Strate

gy

SMA-7535, 

UPRIVER DR & 

W RIVER VIEW 

SAFETY AUDIT

Non-infrastructure Road 

safety audits

0 31000 33000 HSIP 

(Sectio

n 148)

Rural Local 

Road or 

Street 

0 0 Other 

Local 

Agency

Intersecti

ons

I 90, WA ST 

LN TO MT/ID 

ST LN, 

KOOTENAI 

CO

Lighting Lighting - other 0 88000

0 

88000

0 

HSIP 

(Sectio

n 148)

Urban 

Principal 

Arterial - 

Interstate

0 0 State 

Highway 

Agency

Lane 

Departure

STATE, FY14 

D3 SIGN 

UPGRADES

Roadway signs and traffic 

control Sign sheeting - 

upgrade or replacement

0 19100

0 

20600

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Roadway 

Departure

STATE, FY14 

D3 RWIS (3 

LOCATIONS)

Advanced technology and 

ITS Advanced technology 

and ITS - other

0 28900

0 

31100

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Data

SH 55, EAGLE 

RD; I 84 TO 

FRANKLIN 

Roadway Roadway 

widening - travel lanes

0 10990

00

11870

00

HSIP 

(Sectio

Urban 

Principal 

Arterial - 

0 0 State 

Highway 

Roadway 

Departure
2014 Idaho Highway Safety Improvement Program

18

SB, 

MERIDIAN

n 148) Other Agency

SMA-7943, 

HOMEDALE 

RD INT IMPR, 

CALDWELL

Miscellaneous 0 69000 74000 HSIP 

(Sectio

n 148)

Rural 

Minor 

Arterial

0 0 Other 

Local 

Agency

Intersecti

ons

LOCAL, 

SIGNAL 

TIMING 

IMPR, ACHD

Intersection traffic control 

Modify traffic signal - add 

additional signal heads

0 18500

0 

20000

0 

HSIP 

(Sectio

n 148)

various 0 0 County 

Highway 

Agency

Intersecti

ons

US 26, JCT SH 

46 TRAFFIC 

SIGNAL, 

GOODING

Intersection traffic control 

Modify traffic signal - 

miscellaneous/other/unsp

ecified 

0 85600

0 

85600

0 

HSIP 

(Sectio

n 148)

Rural 

Principal 

Arterial 

and Rural 

Major 

Collector 

0 0 Other 

Local 

Agency

Intersecti

ons

US 30, 3400 E 

RD TURN 

LANE, TWIN 

FALLS CO

Intersection geometry 

Auxiliary lanes - add leftturn lane

0 0 30500

0 

HSIP 

(Sectio

n 148)

Urban 

Principal 

Arterial - 

Other

0 0 State 

Highway 

Agency

Intersecti

ons

STATE, FY14 

D4 

DISTWIDE 

GUARD RAIL 

UPGRADE

Roadside Barrier- metal 0 7000 17500

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Roadway 

Departure
2014 Idaho Highway Safety Improvement Program

19

STATE, FY14 

D4 

DISTWIDE 

SIGNAL 

UPGRADES

Intersection traffic control 

Modify traffic signal - 

miscellaneous/other/unsp

ecified 

0 0 32000

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Intersecti

ons

STC-2754, 

GOLF 

COURSE RD 

SAFETY 

IMPR, 

JEROME HD

Miscellaneous 0 11400

0 

12300

0 

HSIP 

(Sectio

n 148)

Rural 

Major 

Collector 

0 0 Other 

Local 

Agency

Lane 

Departure

STC-2715, 

4100 N INT 

IMPR, FILER 

HD

Miscellaneous 0 11000 11000 HSIP 

(Sectio

n 148)

Rural 

Major 

Collector 

0 0 Other 

Local 

Agency

Intersecti

ons

STC-2752, 

3900 N INT 

IMPR, TWIN 

FALLS HD

Miscellaneous 0 37000 39000 HSIP 

(Sectio

n 148)

Rural 

Major 

Collector 

0 0 Other 

Local 

Agency

Intersecti

ons

SMA 7042, 

FALLS AVE 

INT IMPR, 

TWIN FALLS

Miscellaneous 0 9000 9000 HSIP 

(Sectio

n 148)

Rural 

Minor 

Arterial

0 0 Other 

Local 

Agency

Intersecti

ons

SMA-7122, 

ADDISON 

AVE & 

CARRIAGE 

Miscellaneous 0 41200

0 

44500

0 

HSIP 

(Sectio

n 148)

Urban 

Major 

Collector 

and Minor 

0 0 Other 

Local 

Agency

Intersecti

ons
2014 Idaho Highway Safety Improvement Program

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LN, TWIN 

FALLS

Arterial

STATE, FY14 

D4 ISP 

WORKZONE 

PATROL

Non-infrastructure 

Enforcement

0 39000 42000 HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Work 

Zones

US 91, 

YELLOWSTO

NE AVE &

PEARL ST, 

POCATELLO

0 51200

0 

55300

0 

HSIP 

(Sectio

n 148)

Urban 

Principal 

Arterial - 

Other

0 0 State 

Highway 

Agency

Lane 

Departure

I 15B, INT 

5TH AVE & 

CARTER 

SIGNAL, 

POCATELLO

Roadway signs and traffic 

control Roadway signs and 

traffic control - other

0 48300

0 

52200

0 

HSIP 

(Sectio

n 148)

Urban 

Principal 

Arterialother, 

Minor 

Arterial

0 0 State 

Highway 

Agency

Intersecti

ons

STATE, 

FY13/14 D5 

& D6 

PAVEMENT 

STRIPING

Roadway delineation 

Longitudinal pavement 

markings - remarking

0 57100

0 

57100

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Roadway 

Departure

SH 39, 

THOMAS RD, 

LEFT TURN 

LANE WB, 

Intersection geometry 

Auxiliary lanes - add leftturn lane

0 55500

0 

59900

0 

HSIP 

(Sectio

n 148)

Rural 

Minor 

Arterial

0 0 State 

Highway 

Agency

Intersecti

ons
2014 Idaho Highway Safety Improvement Program

21

BINGHAM CO

LOCAL, 

SIGNAGE 

IMPR, 

POWER CO 

HD

Roadway signs and traffic 

control Sign sheeting - 

upgrade or replacement

0 66000 66000 HSIP 

(Sectio

n 148)

Rural and 

Urban 

Local 

Roads

0 0 Other 

Local 

Agency

Roadway 

Departure

SH 33, 

VICTOR 

MAIN ST 

IMPROVEME

NTS

Roadway delineation 

Longitudinal pavement 

markings - remarking

0 12650

00

13650

00

HSIP 

(Sectio

n 148)

Urban 

Minor 

Arterial

0 0 State 

Highway 

Agency

Intersecti

ons

STATE, FY14 

D6 DURABLE 

PAVEMENT 

MARKINGS

Roadway delineation 

Longitudinal pavement 

markings - remarking

0 40400

0 

43700

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Lane 

Departure

I 15, FY14 D6 

CONTROLLE

D ACCESS 

FENCING

Animal-related 0 67000

0 

72600

0 

HSIP 

(Sectio

n 148)

Rural 

Principal 

Arterial - 

Interstate

0 0 State 

Highway 

Agency

Animal 

(Lane 

Departure

) 

I 15, FY15 D6 

CONTROLLE

D ACCESS 

FENCING

Animal-related 0 28700

0 

31100

0 

HSIP 

(Sectio

n 148)

Rural 

Principal 

Arterial - 

Interstate

0 0 State 

Highway 

Agency

Animal 

(Lane 

Departure

) 

STATE, FY14 

D6 SIGN 

Roadway signs and traffic 

control Sign sheeting - 

0 0 15800

0 

HSIP 

(Sectio

various 0 0 State 

Highway 

Lane 

Departure
2014 Idaho Highway Safety Improvement Program

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UPGRADES upgrade or replacement n 148) Agency

STATE, 1 15 

AND US 20 

RAMP 

IMPROVEME

NTS

Roadway Roadway - other 0 0 10670

00

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Roadway 

Departure

STATE, FY14 

D6 ISP 

WORKZONE 

PATROL

Non-infrastructure 

Enforcement

0 32000 35000 HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Work 

Zones

STATE, FY14 

CCTV 

STATEWIDE

Advanced technology and 

ITS Advanced technology 

and ITS - other

0 62600

0 

67500

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Data

STATE, FY14 

BEHAVORIAL 

SAFETY

Non-infrastructure 

Educational efforts

0 95500

0 

10300

00

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

All 

emphasis 

areas

STATE, FY14 

TRAVELER 

INFORMATIO

N SERVICES

Advanced technology and 

ITS Advanced technology 

and ITS - other

0 23600

0 

25500

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

All 

emphasis 

areas

STATE, FY14 

ITS 

OPERATIONS

Advanced technology and 

ITS Advanced technology 

and ITS - other

0 17990

00

19420

00

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

All 

emphasis 

areas

LOCAL, FY14 

LHTAC PRENon-infrastructure 

Transportation safety 

0 48000 52000 HSIP 

(Sectio

various 0 0 Other 

Local 

Data
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PROJECT 

PLANNING

planning n 148) Agency

STATE, FY14 

26 RWIS 

SITES

Advanced technology and 

ITS Advanced technology 

and ITS - other

0 61000 66000 HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Data

STATE, 

ECONOMICS 

OF CRASHES 

STUDY

Non-infrastructure 

Data/traffic records

0 93000 10000

0 

HSIP 

(Sectio

n 148)

various 0 0 State 

Highway 

Agency

Data

I 84B, INT 

OLD HWY 30, 

MOUNTAIN 

HOME

0 37000

0 

39500

0 

HSIP 

(Sectio

n 148)

Urban 

Minor 

Arterial

0 0 State 

Highway 

Agency

Intersecti

ons
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Progress in Achieving Safety Performance Targets

Overview of General Safety Trends

Present data showing the general highway safety trends in the state for the past five years. 

Performance Measures* 2009 2010 2011 2012 2013

Number of fatalities 250 237 217 204 200

Number of serious injuries 1642 1559 1479 1376 1327

Fatality rate (per HMVMT) 1.63 1.53 1.4 1.31 1.28

Serious injury rate (per 

HMVMT)

10.72 10.09 9.55 8.88 8.53

*Performance measure data is presented using a five-year rolling average.
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To the maximum extent possible, present performance measure* data by functional classification and ownership. 

Year - 2013

Function 

Classification

Number of fatalities Number of serious injuries Fatality rate (per HMVMT) Serious injury rate (per HMVMT)

RURAL PRINCIPAL 

ARTERIAL - INTERSTATE

23.6 107.2 0.15 0.69

RURAL PRINCIPAL 

ARTERIAL - OTHER 

FREEWAYS AND 

EXPRESSWAYS

0 0 0 0

RURAL PRINCIPAL 

ARTERIAL - OTHER

43.8 184.2 0.28 1.18

RURAL MINOR 

ARTERIAL

20 103.6 0.13 0.67

RURAL MINOR 

COLLECTOR

8 33.6 0.05 0.22

RURAL MAJOR 

COLLECTOR

0 0 0 0

RURAL LOCAL ROAD OR 

STREET

26.4 104.4 0.17 0.67

URBAN PRINCIPAL 6 52.6 0.04 0.34
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ARTERIAL - INTERSTATE

URBAN PRINCIPAL 

ARTERIAL - OTHER 

FREEWAYS AND 

EXPRESSWAYS

0 0 0 0

URBAN PRINCIPAL 

ARTERIAL - OTHER

17.6 299.8 0.11 1.93

URBAN MINOR 

ARTERIAL

8.6 175.8 0.06 1.13

URBAN MINOR 

COLLECTOR

0 0 0 0

URBAN MAJOR 

COLLECTOR

3.4 53.2 0.02 0.34

URBAN LOCAL ROAD 

OR STREET

4.8 70 0.03 0.45
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Year - 2012

Roadway Ownership Number of 

fatalities

Number of serious 

injuries

Fatality rate (per 

HMVMT) 

Serious injury rate (per 

HMVMT) 

STATE HIGHWAY AGENCY 122 695 1.47 8.37

COUNTY HIGHWAY AGENCY 0 0 0 0

TOWN OR TOWNSHIP HIGHWAY AGENCY 0 0 0 0

CITY OF MUNICIPAL HIGHWAY AGENCY 0 0 0 0

STATE PARK, FOREST, OR RESERVATION AGENCY 0 0 0 0

LOCAL PARK, FOREST OR RESERVATION AGENCY 0 0 0 0

OTHER STATE AGENCY 0 0 0 0

OTHER LOCAL AGENCY 82 683 1.13 9.49

PRIVATE (OTHER THAN RAILROAD) 0 0 0 0

RAILROAD 0 0 0 0

STATE TOLL AUTHORITY 0 0 0 0

LOCAL TOLL AUTHORITY 0 0 0 0

OTHER PUBLIC INSTRUMENTALITY (E.G. AIRPORT, 

SCHOOL, UNIVERSITY)

0 0 0 0
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Describe any other aspects of the general highway safety trends on which you would like to elaborate. 

The five year average for fatalities has continued to decrease although we have had an increase in 

fatalities this year compared to last year. 

Application of Special Rules

Present the rate of traffic fatalities and serious injuries per capita for drivers and pedestrians over the 

age of 65. 

Older Driver

Performance Measures

2009 2010 2011 2012 2013

Fatality rate (per 

capita)

0.39 0.36 0.34 0.32 0.27

Serious injury rate 

(per capita)

1.94 1.89 1.79 1.69 1.36

Fatality and serious 

injury rate (per capita)

2.26 2.25 2.13 2.02 1.63

*Performance measure data is presented using a five-year rolling average.

Calculate Rate for 2012 

1. (F+SI 2012 Drivers and Pedestrians 65 years of age and older/2012 Population Figure) + (F+SI 

2011 Drivers and Pedestrians 65 years of age and older/2011 Population Figure*) + (F+SI 2010 

Drivers and Pedestrians 65 years of age and older /2010 Population Figure) + (F+SI 2009 Drivers 

and Pedestrians 65 years of age and older/2009 Population Figure) + (F+SI 2008 Drivers and 

Pedestrians 65 years of age and older/2008 Population Figure) / 5

Calculate Rate for 2010

2. (F+SI 2010 Drivers and Pedestrians 65 years of age and older /2010 Population Figure) + (F+SI 

2009 Drivers and Pedestrians 65 years of age and older/2009 Population Figure) + (F+SI 2008 

Drivers and Pedestrians 65 years of age and older/2008 Population Figure) + (F+SI 2007 Drivers 

and Pedestrians 65 years of age and older/2007 Population Figure) + (F+SI 2006 Drivers and 

Pedestrians 65 years of age and older/2006 Population Figure)/5

 
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Does the older driver special rule apply to your state? 

No
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Assessment of the Effectiveness of the Improvements (Program 

Evaluation)

What indicators of success can you use to demonstrate effectiveness and success in the Highway 

Safety Improvement Program? 

None

Benefit/cost

Policy change

Other: Other-The continued push to select projects based on a data driven approach.

What significant programmatic changes have occurred since the last reporting period? 

Shift Focus to Fatalities and Serious Injuries

Include Local Roads in Highway Safety Improvement Program

Organizational Changes

None

Other: 

Briefly describe significant program changes that have occurred since the last reporting period. 

Idaho continues to enhance the Highway Safety Corridor Analysis (HSCA) program to ensure data used 

for the selection of safety projects is up to date. Currently Idaho is working towards automating portions 
2014 Idaho Highway Safety Improvement Program

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of the HSCA process so the analysis is available sooner. Also policies have been changed to ensure HSIP 

money is not transferred out of the program. This information was include in question #29.
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SHSP Emphasis Areas

For each SHSP emphasis area that relates to the HSIP, present trends in emphasis area performance measures. 

Year - 2013

HSIP-related SHSP 

Emphasis Areas

Target Crash Type Number of 

fatalities

Number of 

serious 

injuries

Fatality rate 

(per HMVMT)

Serious injury 

rate (per 

HMVMT) 

Other1 Other2 Other3 

Intersections All 38 487.8 0.24 3.12 0 0 0

Pedestrians Vehicle/pedestrian 11.4 51.6 0.07 0.33 0 0 0

Bicyclists Vehicle/bicycle 3.2 49 0.02 0.31 0 0 0

Older Drivers All 39.2 227.8 0.25 1.46 0 0 0

Motorcyclists Vehicle/Motorcycle 25.4 165.6 0.16 1.06 0 0 0

Work Zones work zone crashes 2.2 25.2 0.01 0.16 0 0 0

Distracted All 81.6 622.8 0.52 3.99 0 0 0

Aggressive All 48.6 428.6 0.31 2.75 0 0 0

Safety Restraints All 80.8 286.2 0.52 1.83 0 0 0

Impaired All 81.8 258.2 0.52 1.65 0 0 0

Youthful Driver All 29.6 242.8 0.19 1.56 0 0 0

Commercial Driver Truck-related 22.6 90.8 0.14 0.58 0 0 0
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Single Vehicle Run 

off Road

Run-off-road 100.8 431.8 0.65 2.77 0 0 0

Head On/Side 

Swipe Opposite

Head On/Side Swipe 

Opposite

38 208 0.24 1.33 0 0 0
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Groups of similar project types

Present the overall effectiveness of groups of similar types of projects.

Year - 2013

HSIP Subprogram TypesTarget 

Crash Type

Number of 

fatalities

Number of 

serious injuries

Fatality rate (per 

HMVMT) 

Serious injury rate 

(per HMVMT)

Other1 Other2 Other3 

Other-Highway 

Safety Corridor

200 1327 1.28 8.5 0 0 0
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Systemic Treatments

Present the overall effectiveness of systemic treatments.

Year - 2013

Systemic improvement Target 

Crash 

Type

Number of 

fatalities

Number of 

serious 

injuries

Fatality rate 

(per 

HMVMT) 

Serious injury 

rate (per 

HMVMT) 

Other1 Other2 Other3 

Upgrade Guard Rails Run-offroad200 1327 1.28 8.5 0 0 0

Install/Improve Pavement Marking 

and/or Delineation

Run-offroad200 1327 1.28 8.5 0 0 0

Add/Upgrade/Modify/Remove 

Traffic Signal

Angle 38 488 0.24 3.12 0 0 0

Install/Improve Signing All 200 1327 1.28 8.5 0 0 0
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Describe any other aspects of the overall Highway Safety Improvement Program effectiveness on 

which you would like to elaborate. 

Safety continues to be a a priority for Idaho. The HSIP increased awareness that the use of low cost 

measures can enhance the safety of the roadways. 
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Provide project evaluation data for completed projects (optional). 

Location Functiona

l Class

Improvemen

t Category

Improvemen

t Type

BefFata

l

BefSeriou

s 

Injury

BefOther 

Injur

y

BefPDOBefTotalAftFata

l

AftSeriou

s 

Injury

AftOther 

Injur

y

AftPDOAftTotalEvaluatio

n Results 

(Benefit/ 

Cost 

Ratio)

Statewid

e 

all 

roadways

Roadway Roadway -

other

667 4298 30815 13856

9 

17434

9 

564 3842 29356 12759

1 

16135

3 
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Optional Attachments

Sections Files Attached

Program Structure: Program Administration COO Memo No 2 - 12 23 13 - HSIP Instructions 

Signed Final.pdf
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Glossary

5 year rolling average means the average of five individual, 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. 

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.