reglab/statecodes huggingface dataset:
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 3 - Roadside Vegetation Management › Section I-305 - Herbicides

Current through Register Vol. 50, No. 6, June 20, 2024
A. Laws and
				Regulations. The Federal Insecticide and Rodenticide Act as amended in 1972
				(FIFRA) requires individuals who apply restricted use pesticides to be
				certified applicators. National standards for the certification of applicators
				are found in Title 40, Part 171 of the Code of Federal Regulations. State
				standards for certification of applicators are found in the Louisiana Pesticide
				Law, Chapter 21 of Title 3 of the Louisiana Revised Statues, rules and
				regulations promulgated under the authority of the Louisiana Pesticide Law have
				been published in the
Louisiana Register
further delineating
				the requirements for certification and recertification. The Louisiana
				Department of Agriculture has been designated by the U.S. Environmental
				Protection Agency as the agency responsible for the enforcement of FIFRA within
				the state of Louisiana. The department is also responsible for the enforcement
				of the Louisiana Pesticide Law. The Louisiana Cooperative Extension Service, by
				cooperative agreement, is responsible for the training necessary to become a
				certified applicator.
B. General
1. Herbicides have played an important part
				in the management of the roadside right-of-way the past several years,
				particularly the selective spraying program. This program is used predominately
				to control Johnson grass and other weeds while favoring the growth of Bermuda
				grass which requires little mowing.
2. Herbicides have also been used
				successfully on hard surfaced shoulders, cracks in paved traffic islands and
				revetments under guardrails, at bridge ends, ditches and other areas which are
				impossible to mow. Since chemicals that are used as herbicides require that
				safety precautions are observed, the roadside development coordinator in the
				district should be in complete charge of their use. The operators on the spray
				trucks are required to be licensed by the Department of Agriculture. The
				roadside development coordinator is familiar with brand names, different types
				of chemicals, calibration of the rig, pumps, etc., has been licensed and should
				be consulted in detail for chemical herbicide work.
3. In order to realize the maximum output
				from both mowing and spraying operations, it is important that the parish
				maintenance superintendent and roadside development coordinator manage these
				operations together. Correct timing will result in good results and a savings
				of funds. Two mowings per season and two sprayings per season are generally
				enough for most roadsides if they are coordinated.
4. Department of Transportation and
				Development has been using herbicides for approximately 20 years. The main
				reason for using herbicides is because it is a safe economical means of
				controlling vegetation resulting in cost savings for the department.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 3 - Roadside Vegetation Management › Section I-309 - Factors of Herbicide Application

Current through Register Vol. 50, No. 6, June 20, 2024
A. Herbicide Types
1. Soil-active (residual) herbicides are
				active in the soil and stop plant growth of germinated seeds and roots in the
				following manner. Soil-active herbicides are moved into the root zone by water.
				The herbicide is absorbed by the root system and translocated throughout the
				plant affecting plant growth processes. Visual effects should begin to appear
				in several days. The swiftness of the herbicide action is dependent on soil
				type, rainfall, plant species and rate of herbicide application. Soil-active
				herbicides can be applied to the soil in the winter prior to or shortly after
				the emergence of vegetation in spring. Vegetation must be present; never apply
				herbicide to already bare ground.
2. Contact herbicides halt visible plant
				growth at least for a short time in the following manner. Contact herbicides
				are absorbed by the foliage and transported throughout the plant, affecting
				plant growth processes. Several days are usually required for the effects to
				appear. Some of these herbicides may also have a short period of activity in
				the soil. Vegetative diversity may require a combination of chemicals to be
				used if broad-spectrum control is desired.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 3 - Roadside Vegetation Management › Section I-311 - Wildflowers

Current through Register Vol. 50, No. 6, June 20, 2024
A. General
1. Louisiana and the Department of
				Transportation and Development are embarking on a statewide plan for the
				planting and preservation of wildflowers along its rights-of-way. The
				Department of Transportation and Development and Louisiana Project Wildflower
				are working very closely evaluating equipment, planting methods and herbicide
				operations to produce maximum stands of wildflowers.
2. It shall be the policy of the department
				to encourage the growth, planting and preservation of wildflowers in order to
				provide a natural setting for the traveling public. Mowing and spraying
				operations shall be coordinated and timed to enhance the wildflower population
				and provide a naturally appealing roadside appearance.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 3 - Roadside Vegetation Management › Section I-317 - General Policy Governing the Treatment of Existing Significant Trees within the Highway Right-of-Way, Zone of Construction or Operational Influence

Current through Register Vol. 50, No. 6, June 20, 2024
A. Purpose. The
				purpose of this directive is to establish a general policy governing the
				treatment of significant trees by the department within the highway
				right-of-way, zone of construction or operational influence.
B. Definitions
Historic Tree
-a tree that stands at a place
				  where an event of historic significance occurred that had local, regional, or
				  national importance. A tree may also be considered historic if it has assumed a
				  legendary stature in the community; is mentioned in literature or documents of
				  historic value; is considered unusual due to size or age; or has landmark
				  status.
Significant Tree
-one of the following: Live
				  Oak, Red Oak, White Oak, Magnolia, or Cypress that is considered aesthetically
				  important, is 18" or greater in diameter at breast height (4' - 6" above the
				  ground), and has a form that separates it from the surrounding vegetation or is
				  considered historic. Significant trees must be in good health and not in a
				  declining condition.
C. Design
				Considerations. The landscape architectural staff and district roadside
				development coordinators shall be consulted during the scoping and/or
				environmental phase. The landscape architectural staff shall identify
				significant trees during the scoping and/or environmental phase. The design
				section shall indicate significant trees on the plans and implement a context
				sensitive design (i.e., preservation, specified limited impact, or special
				treatment) to accommodate these trees where practical.
D. Construction Considerations. The project
				engineer shall ensure that the contractor's operations are sensitive to the
				treatment indicated in the plans.
1.
				Construction considerations may include the following:
a. temporary fencing to protect trees from
				construction equipment;
b.
				avoidance of root zones;
c. care of
				overhanging branches, etc.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 5 - Recycling of Highway Construction and Maintenance Material › Section I-501 - Purpose

Current through Register Vol. 50, No. 6, June 20, 2024
A. In compliance
				with the provisions of
				R.S.
				30:2415, the Louisiana Department of
				Transportation and Development hereby specifies its policy for maximizing the
				recycling of highway construction and maintenance materials. The department
				currently purchases all items, except road and bridge materials which are the
				subject of this rule, through the Office of State Purchasing. Therefore, all
				items purchased, other than road and bridge materials, are subject to any and
				all rules on the subject of recycling which have been promulgated by the Office
				of State Purchasing.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  30:2415.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 5 - Recycling of Highway Construction and Maintenance Material › Section I-503 - Tracking

Current through Register Vol. 50, No. 6, June 20, 2024
A. It shall be the
				responsibility of the construction and maintenance engineer or his designee to
				compile an annual report showing the number or amount of materials recycled
				each year.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  30:2415.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 5 - Recycling of Highway Construction and Maintenance Material › Section I-505 - Construction Materials

Current through Register Vol. 50, No. 6, June 20, 2024
A. Methods
				of Recycling
1. Salvage pipe culverts to relay
				on same project or deliver to maintenance unit for reuse.
2. Salvage treated timber and deliver to
				maintenance unit for reuse.
3.
				Salvage steel beams and deliver to maintenance unit for reuse.
4. Reclaim asphalt pavement to use in new
				mix, blend into base course, use as aggregate surface course on shoulders and
				ramps or deliver to maintenance unit for reuse.
5. Salvage concrete pavement to use in
				asphaltic concrete or as riprap.
6.
				Salvage guardrail and deliver to maintenance unit for reuse.
7. Experiment with use of shredded tires in
				asphalt concrete.
8. Recycle
				portland cement/concrete for hot mix and for coarse aggregate in portland
				cement/concrete for base course and for shoulders. Crush the portland
				cement/concrete, remove steel to use as coarse aggregate.
9. Buy or specify in contracts recycled
				calcium sulfate as an alternate for base course, embankment and shoulder
				materials.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 5 - Recycling of Highway Construction and Maintenance Material › Section I-507 - Maintenance Materials

Current through Register Vol. 50, No. 6, June 20, 2024
A. Methods
				of Recycling
1. Use materials salvaged from
				construction projects and delivered to maintenance units for reuse.
2. Salvage old signs and strip sheeting from
				aluminum to reuse to make signs.
3.
				Sell scrap aluminum, steel and copper wire to salvage companies for
				recycling.
4. Salvage signal parts
				to refurbish and use over again or sell to salvage companies.
5. Reclaim zylene from stripper cleaning
				operation.
6. Save used oil and
				antifreeze for reclaiming. Sell unusable waste oil to highest bidder who is
				also a disposer certified by Department of Environmental Quality.
7. Recap tires when feasible. Sell used tires
				to highest bidder who is also a disposer certified by Department of
				Environmental Quality.
8. Sell
				batteries to highest bidder who is also a disposer certified by Department of
				Environmental Quality.
9. Use
				recycled glass beads for pavement striping.
10. In connection with the disposal of
				unusable tires and batteries, the Department of Transportation and Development
				works with Division of Administration toward a plan under which these items are
				turned in to vendor upon purchase of new tires or batteries on a "one for one"
				basis.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-901 - Debarment Committee

Current through Register Vol. 50, No. 6, June 20, 2024
A. The
				Debarment Committee, as defined in
				R.S.
				48:295.1, consists of the chief engineer of
				the department, or his designee, the deputy secretary of the department or his
				designee, and the general counsel of the department or his designee.
B. The following persons shall act as
				designees.
1. The chief of Project Development
				Division shall be the designee of the deputy secretary for any consideration of
				debarment or suspension of a consultant under
				R.S.
				48:285.
2. The chief of Construction Division shall
				be designee of the deputy secretary for any consideration of debarment or
				suspension of a contractor under
				R.S.
				48:251 et seq.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-903 - Causes for Debarment of Contractors

Current through Register Vol. 50, No. 6, June 20, 2024
A. The causes for debarment are enumerated in
				R.S.
				48:295.2(C).
B. In addition to the statutory causes for
				debarment, the department shall follow the following guidelines.
1. A history of failure to perform or history
				of unsatisfactory performance may include, but is not limited to the following:
a. during one calendar year, two or more
				formal demands by the department to the contractor that the surety for the
				contractor complete a job, or
b.
				determination of disqualification five or more times in a calendar year, or
				three times during each of two consecutive calendar years.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-905 - Causes for Debarment of Consultants

Current through Register Vol. 50, No. 6, June 20, 2024
A. The causes for debarment are enumerated in
				R.S.
				48:295.2(C).
B. In addition to the statutory causes for
				debarment, the department shall follow the following guidelines.
1. A history of failure to perform or history
				of unsatisfactory performance may include, but is not limited to the following:
a. an unsatisfactory rating two or more times
				in a calendar year, or
b. formal
				termination for cause two or more times in a calendar year, or three times
				during each of two consecutive year, or
c. failure to satisfy final judgments
				rendered against the entity.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-907 - Imputed Conduct

Current through Register Vol. 50, No. 6, June 20, 2024
A. The
				fraudulent, criminal or other seriously improper conduct of any officer,
				director, shareholder, partner, employee or other individual associated with a
				contractor/consultant may be imputed to the contractor/consultant when the
				conduct occurred in connection with the individual's performance of duties for
				or on behalf of the contractor/consultant, or with the contractor/consultant's
				knowledge, approval or acquiescence. The contractor/consultant's acceptance of
				the benefits derived from the conduct shall be evidence of the
				contractor/consultant's knowledge, approval or acquiescence.
B. The fraudulent, criminal or other
				seriously improper conduct of a contractor/consultant may be imputed to any
				officer, director, shareholder, partner, employee or other individual
				associated with the contractor/consultant who participated in, knew of or had
				reason to know of the contractor/consultant's conduct.
C. The fraudulent, criminal or other
				seriously improper conduct of one contractor/consultant participating in a
				joint venture or similar arrangement may be imputed to other participating
				contractors/consultants if the conduct occurred for or on behalf of the joint
				venture or similar arrangement or with the knowledge, approval or acquiescence
				of those contractors/consultants. Acceptance of the benefits derived from the
				conduct shall be evidence of the contractor/consultant's knowledge, approval or
				acquiescence.
AUTHORITY NOTE:
				  Promulgated in accordance with R.S. 48:295 et
				  seq.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-909 - Provisions for the Hearing and Decision

Current through Register Vol. 50, No. 6, June 20, 2024
A. Provisions for the hearing and decision
				are set forth in
				R.S.
				48:295.2(D), (E) and
				(F).
B. In addition to those provisions:
1. the department debarment hearing shall be
				as informal as practicable, consistent with fundamental due process of law
				principles. The debarment committee shall permit contractor/consultants to
				submit information and arguments in opposition to the proposed debarment. The
				department may require that a contractor/consultant's opposition be submitted
				in writing or may permit an oral presentation in person or through a
				representative;
2. if debarment is
				imposed, the department shall, within 14 days, notify the contractor/consultant
				and any affiliates involved by certified mail return receipt requested. The
				notice shall contain the following:
a.
				reference to the notice of proposed debarment that initiated the
				action;
b. reasons for debarment;
				and
c. period of debarment,
				specifying the effective date;
3. if debarment is not imposed, the
				department shall give notice within 14 days from the date of the hearing of
				that fact to the contractor/consultant involved by certified mail return
				receipt requested.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-911 - Period of Debarment

Current through Register Vol. 50, No. 6, June 20, 2024
A.
				Debarments shall be for a period commensurate with the seriousness of the cause
				or causes for debarment. Generally, debarment shall not exceed three years. If
				suspension precedes debarment, the suspension period shall be considered in
				determining the debarment period.
B. The department may extend the debarment
				for an additional period if the department determines that an extension is
				necessary to protect the public interest. However, an extension may not be
				based solely on the facts and circumstances upon which the initial debarment
				was based.
C. The department may
				terminate a debarment or may reduce the period or extent of a debarment, upon
				the contractor/consultant's request, for reasons considered appropriate by the
				department such as:
1. newly discovered
				relevant evidence;
2. reversal of
				the conviction or judgment upon which the debarment was based;
3. a bona fide change in ownership or
				management of the contractor/consultant; or
4. elimination of the cause or causes for
				which debarment was imposed.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-913 - Appeals

Current through Register Vol. 50, No. 6, June 20, 2024
A. Appeals shall be
				made in accordance with the provisions of
				R.S.
				48:295.3 and shall be submitted to the
				department in writing.
AUTHORITY NOTE:
				  Promulgated in accordance with R.S. 48:295 et
				  seq.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 9 - Debarment Hearings for Contractors, Subcontractors, Consultants and Subconsultants › Section I-915 - Application by the Contractor or Consultant for Requalification

Current through Register Vol. 50, No. 6, June 20, 2024
A. Applications for
				requalification following debarment shall be submitted in writing to the chief
				engineer of the department.
B. The
				Debarment Committee shall conduct a hearing and consider the arguments of the
				applicant for requalification. The applicant may appear in person.
C. The Debarment Committee may terminate a
				debarment or may reduce the period or extent of a debarment upon application of
				the contractor/consultant for reasons considered appropriate by the committee,
				such as:
1. newly discovered relevant
				evidence;
2. reversal of the
				conviction or judgment upon which debarment was based;
3. a bona fide change in ownership or
				management of the contractor/consultant; or
4. elimination of the cause or causes for
				which debarment was imposed.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 11 - Traffic Impact Policy for New Access Requests Affecting Traffic on State Highways › Section I-1101 - Traffic Impact

Current through Register Vol. 50, No. 6, June 20, 2024
A. Purpose
1. The Louisiana Department of Transportation
				and Development (LADOTD) has a responsibility to design, operate and maintain
				highway facilities that are reasonably safe and efficient for prudent drivers
				using the highway system. At the same time DOTD must allow all property owners
				reasonable access to the highway system.
2. In an effort to balance these often
				conflicting needs, this Section was developed to ensure that new or expansion
				of existing developments generating significant traffic on state highways are
				evaluated in a consistent manner by using objective data to facilitate
				decision-making.
3. The department
				shall review the effectiveness, applicability and efficiency of this rule
				annually. Changes to this Section shall be promulgated as applicable.
				Recommendations for change shall be forwarded to the DOTD traffic impact
				engineer.
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1301 - Minimum Design Guidelines for Rural Arterial Roads

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Rural
RA-1
RA-2
RA-3
1
Design Speed (mph)
501
602
70
2
Number of Lanes
							 (minimum)3
2
2
4
3
Width of Travel Lanes (ft)
11-124
12
12
4
Width of Shoulders (minimum)(ft)
(a) Two Lane
85
85
N/A
(b) Divided facilities
(1) Inside8
4
4
46
(2) Outside
85
85
8-107
5
Shoulder Type
Aggregate
(2' min paved)
Aggregate
(2' min paved)
Paved Aggregate 8
(2' min paved)
6
Parking Lane Width (ft)
N/A
N/A
N/A
7
Width of Median on Divided Facilities (ft)
(a) Depressed
42-60
42-60
60
(b) Raised
N/A
N/A
N/A
(c) Two way left turn lane
N/A
N/A
N/A
8
Fore slope (verticalhorizontal)
1:6
1:6
1:6
9
Back slope (verticalhorizontal)
1:4
1:4
1:4
10
Pavement Cross-slope (%)
2.5
2.5
2.5
11
Minimum Stopping Sight Distance (ft)
425
570
730
12
Maximum Superelevation
							 (%)9
10
10
10
13
Minimum Radius (ft)10
(with full superelevation)
700
1,100
1,700
14
Maximum Grade (%)11
4
3
3
15
Minimum Vertical Clearance
							 (ft)12
16
16
16
16
Minimum Clear Zone(ft)(from edge of through travel
							 lane)
20
3013
34
17
Bridge Design Live Load14
AASHTO
AASHTO
AASHTO
18
Width of Bridges (min) (face to face of bridge rail
							 at gutter line) (ft)
Roadway
width
Roadway
width
Roadway
width
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1303 - Footnotes for Rural Arterial Design Standards

Current through Register Vol. 50, No. 6, June 20, 2024
A. Footnote for Item 1, RA-1 Classification.
				The design speed may not be less than the current posted speed of the overall
				route.
B. Footnote for Item 1, RA-2
				Classification. Consider using RA-3 criteria (except Item No. 2) for roadways
				that will be widened in the future.
C. Footnote for Item 2. Consider increasing
				to a 4-lane facility if design volume is greater than 6,000 vehicles per day
				and six lanes if design volume is greater than 25,000 vehicles per day. If more
				than two lanes are to be provided, outside shoulders should be paved.
D. Footnote for Item 3, RA-1 Classification.
				Twelve feet required when design ADT is 1,500 or greater.
E. Footnote for Items 4(a) and 4(b)(2), RA-1
				and RA-2 Classifications. Six foot shoulders are allowed if design volume is
				between 400 to 2,000 vehicles per day. Four foot shoulders are allowed if
				design volume is less than 400 vehicles per day.
F. Footnote for Item 4(b)(1), RA-3
				Classification. Eight to ten feet to be provided on six lane
				facilities.
G. Footnote for Item
				4(b)(2), RA-3 Classification. Consider using 10 foot outside shoulders where
				trucks are greater than 10 percent or if large agricultural vehicles use the
				roadway.
H. Footnote for Item
				4(b)(1) and for Item 5, RA-3 Classification. For ADT 5,000 or greater, the full
				shoulder width shall be paved.
I.
				Footnote for Item 12. In Districts 04 and 05, where ice is more frequent,
				superelevation should not exceed 8 percent from the emax = 10 percent
				table.
J. Footnote for Item 13. It
				may be necessary to increase the radius of the curve and/or increase the
				shoulder width (maximum of 12 feet) to provide adequate stopping sight distance
				on structure.
K. Footnote for Item
				14. Grades 1 percent higher are permissible in rolling terrain.
L. Footnote for Item 15. An additional 6
				inches should be added for additional future surfacing.
M. Footnote for Item 16, RA-2 Classification.
				On multilane facilities, use 32 feet.
N. Footnote for Item 17. LRFD for bridge
				design.
O. General Note. DOTD
				pavement preservation minimum design guidelines or 3R minimum design guidelines
				(separate sheets) shall be applicable to those projects for which the primary
				purpose is to improve the riding surface.
AUTHORITY NOTE:
				  Promulgated in accordance with R. S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1305 - Minimum Design Guidelines for Freeways

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Urban
Rural
F-1
F-2
F-31
1
Design Speed (mph)
50
60
70
2
Level of Service
C3
C3
B 2
3
Number of Lanes (minimum)
4
4
4
4
Width of Travel Lanes (ft)
12
12
12
5
Width of Shoulders (ft)
(a) Inside4
6
6
6
(b) Outside5
10
10
10
6
Shoulder Type
Paved
Paved
Paved
7
Width of Median (minimum) (ft)
(a) Depressed
50
68 (min)-100 (des)
72 (min)-100 (des)
(b) Continuous barrier (4
							 lane)6
15
15
15
Continuous barrier (6
							 lane)6
27
27
27
8
Fore Slope (vertical - horizontal)
1:4 to 1:6
1:6
1:6
9
Back Slope (vertical - horizontal)
1:4
1:4
1:4
10
Pavement Cross Slope (%)
2.5
2.5
2.5
11
Minimum Stopping Sight Distance (ft)
425
570
730
12
Maximum Superelevation
							 (%)7
10
10
10
13
Minimum Radius (ft)8
(with 10% superelevation)
700
1,100
1,700
14
Maximum Grade (%)9
4
3
3
15
Minimum Vertical Clearance
							 (ft)10
16
16
16
16
Width of Right-of-Way (ft)
(a) Depressed median
As Needed
As Needed
Varies11
(b) Median barrier
As Needed
As Needed
As Needed
(c) Minimum from edge of bridge
							 structure12
15-20
15-20
15-20
17
Bridge Design Live Load13
AASHTO
AASHTO
AASHTO
18
Minimum Width of Bridges (face to face of bridge
							 rail at gutter line) (ft)
Roadway
Width
Roadway
Width
Roadway
Width
19
Minimum Clear Zone(from edge of through travel
							 lane)(ft)
(a) 1:4 Fore slope
30
N/A
N/A
(b) 1:6 Fore slope
22
32
34
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1307 - Footnotes for Freeway Design Standards

Current through Register Vol. 50, No. 6, June 20, 2024
A. Footnote for F-3 Classification. These
				guidelines may be used in urban areas.
B. Footnote for Item 2, F-3 Classification.
				Level of Service C can be used in urban areas.
C. Footnote for Item 2, F-1 and F-2
				Classifications. Level of Service D can be used in heavily developed urban
				areas.
D. Footnote for Item 5(a).
				Four feet to be paved, 10 feet to be paved on 6 lane facilities, 12 feet to be
				paved on 6 lane facilities with truck DDHV greater than 250.
E. Footnote for Item 5(b). Twelve feet paved
				when truck DDHV is greater than 250.
F. Footnote for Item 7(b). For larger medians
				two barriers may be required. The maximum offset of 15 feet from barrier to
				edge of travel lane shall not be exceeded.
G. Footnote for Item 12. In Districts 04 and
				05, where ice is more frequent, superelevation should not exceed 8 percent from
				the emax = 10% table.
H. Footnote
				for Item 13. It may be necessary to increase the radius of the curve and/or
				increase the shoulder width (maximum of 12 feet) to provide adequate stopping
				sight distance on structure.
I.
				Footnote for Item 14. Grades 1 percent higher may be used in urban
				areas.
J. Footnote for Item 15. An
				additional 6 inches should be added for additional future surfacing. Seventeen
				feet is required for trusses and pedestrian overpasses.
K. Footnote for Item 16(a), F-3
				Classification. As needed for urban projects: 300 feet to 330 feet for rural
				projects depending on median width.
L. Footnote for Item 16(c). Twenty-five feet
				shall generally be provided in accordance with EDSM II.1.1.1.
M. Footnote for Item 17. LRFD for bridge
				design.
N. General Note. DOTD
				pavement preservation minimum design guidelines or 3R minimum design guidelines
				(separate sheets) shall be applicable to those projects for which the primary
				purpose is to improve the riding surface.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1309 - Minimum Design Guidelines for Local Roads and Streets

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Rural
Urban
RL-1
RL-2
RL-3
UL-1
UL-2
1
Design Speed (mph)1
30
40
50
20
30
2
Average Daily Traffic
0-250
250-400
Over 400
N/A
N/A
3
Typical Number of Lanes
2
2
2
2
2
4
Minimum Width of Travel Lanes (ft)
9
9
11-122
10-113
10-113
5
Minimum Width of Shoulders (ft) 
							 4
2
2
5-85
When used6
When used6
6
Shoulder Type
Aggregate
Aggregate
Aggregate
Paved
Paved
7
Minimum Width of Parking Lanes (where used) (ft)
N/A
N/A
N/A
7-Residential
8-Industrial
7-Residential
8-Industrial
8
Minimum Width of Sidewalk (where used) (ft)
(a) When offset from curb
N/A
N/A
N/A
4
4
(b) When adjacent to curb
N/A
N/A
N/A
6
6
9
Fore Slope (vertical-horizontal)
1:37
1:3 
							 7
1:4
1:3
1:3
10
Back Slope (vertical-horizontal)
1:2
1:2
1:3
1:2
1:2
11
Pavement Cross Slope (%)
2.5
2.5
2.5
2.5
2.5
12
Minimum Stopping Sight Distance (ft)
200
305
425
115
200
13
Maximum Superelevation (%)
108
108
108
4
4
14
Minimum Radius (ft) 
							 9, 10
(a) With normal crown (-2.5% cross slope)
7,585
11,625
16,700
100
325
(b) With 2.5% superelevation
1,930
3,250
5,000
85
250
(c) With full superelevation
250
450
700
80
235
15
Maximum Grade (%)11
7
7
6
10
9
16
Minimum Vertical Clearance (ft)
15
15
15
15
15
17
Minimum Clear Zone(ft)
(a) From edge of through travel lane
107
107
Varies12
7-Shoulder facilities
10-Shoulder facilities
(b) From back of curb (when curb is used)
N/A
N/A
N/A
1 (min)-6 (des)
1 (min)-6 (des)
18
Bridge Design Live Load13
AASHTO
AASHTO
AASHTO
AASHTO
AASHTO
19
Minimum Width of Bridges (face to face of bridge
							 rail at gutter line)
Traveled
way plus 4'
Traveled
way plus 4'
Traveled 14
way plus 6'
Traveled 15, 16
way plus 8'
Traveled 15, 16,
way plus 8'
20
Bridge End Treatment
Yes
Yes
Yes
16
16
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1313 - Minimum Design Guidelins for Rural Collector Roads

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Rural
RC-1
RC-2
RC-3
1
Average Daily Traffic 1
Under 400
400-2000
Over 2000
2
Design Speed (mph)
40-602
50-602
60
3
Number of Lanes
2
2
2-43
4
Width of Travel Lanes (ft)
11
11-124
12
5
Width of Shoulders (ft)
(a) Inside on multilane facilities
N/A
N/A
4
(b) Outside
25
4-56
8
6
Shoulder Type
Paved
Aggregate
(2' min paved)
Aggregate
(2' min paved)7
7
Width of Parking Lanes (ft)
N/A
N/A
N/A
8
Width of Median on multilane facilities (ft)
(a) Depressed
N/A
N/A
42-60
(b) Raised
N/A
N/A
N/A
(c) Two way left turn lane
N/A
N/A
N/A
9
Width of Sidewalk (minimum) (ft)
(a) Offset from curb
N/A
N/A
N/A
(b) Adjacent to curb
N/A
N/A
N/A
10
Fore Slope (vertical-horizontal)
1:4
1:4
1:6
11
Back Slope (vertical-horizontal)
1:48
1:4
1:4
12
Pavement Cross Slope (%) 8
2.5
2.5
2.5
13
Stopping Sight Distance (ft)
305 (40 mph)
425 (50 mph)
570 (60 mph)
425 (50 mph)
570 (60 mph)
570
14
Maximum Superelevation
							 (%)9
10
10
10
15
Minimum Radius (ft) 10
(with full superelevation)
45011
70012
1,100
16
Maximum Grade (%)
7 (40 mph)
6 (50 mph)
5 (60 mph)
6 (50 mph)
5 (60 mph)
5
17
Minimum Vertical Clearance
							 (ft)13
15
15
15
18
Minimum Clear Zone (ft)
(from edge of through travel lane)
10, 14, 2414
26 (50 mph)
32 (60 mph)
30
19
Bridge Design Live Load15
AASHTO
AASHTO
AASHTO
20
Minimum Width of Bridges (face to
face of bridge rail at gutter line) (ft)
30
Roadway width
Roadway width
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1315 - Footnotes for Rural Collector Design Standards

Current through Register Vol. 50, No. 6, June 20, 2024
A. Footnote for Item 1. Current traffic may
				be used to determine the appropriate classification.
B. Footnote for Item 2, RC-1 and RC-2
				Classifications. The design speed may not be less than the current posted speed
				of the overall route.
C. Footnote
				for Item 3, RC-3 Classification. For rolling terrain, limited passing sight
				distance and high percentage
of
trucks, further
				analysis should be made to determine if additional lanes are required when ADT
				is above 7,000.
D. Footnote for
				Item 4, RC-2 Classification. For design speeds greater than 50 mph and ADT
				greater than 1,500 use 12-foot lanes.
E. Footnote for Item 5(b), RC-1
				Classification. Where bicycle activity is observed, a 4-foot shoulder should be
				provided.
F. Footnote for Item
				5(b), RC-2 Classification. For ADT greater than 1,500 use 6 foot
				shoulders.
G. Footnote for Item 6,
				RC-3 Classification. For ADT of 5,000 or greater, a minimum of 4 foot must be
				paved.
H. Footnote for Item 11,
				RC-1 Classification. 1:3 back slopes are allowed where right-of-way
				restrictions dictate.
I. Footnote
				for Item 14. In Districts 04 and 05, where ice is more frequent, superelevation
				should not exceed 8 percent from the emax = 10% table.
J. Footnote for Item 15. It may be necessary
				to increase the radius of the curve and/or increase the shoulder width (maximum
				of 12 feet) to provide adequate stopping sight distance on structure.
K. Footnote for Item 15, RC-1 Classification.
				Radius based on 40 mph. Radii for 50 mph and 60 mph are shown under the RC-2
				and RC-3 classifications respectively.
L. Footnote for Item 15, RC-2 Classification.
				Radius based on 50 mph. The radius for 60 mph is shown under the RC-3
				classification.
M. Footnote for
				Item 17. Where the roadway dips to pass under a structure, a higher vertical
				clearance may be necessary. An additional 6 inches should be added for
				additional future surfacing.
N.
				Footnote for Item 18, RC-1 Classification. The lower value is based on a 40 mph
				design speed, the middle value for 50 mph and the upper value for 60
				mph.
O. Footnote for Item 19. LRFD
				for bridge design.
P. General Note.
				DOTD pavement preservation minimum design guidelines or 3R minimum design
				guidelines (separate sheets) shall be applicable to those projects for which
				the primary purpose is to improve the riding surface.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1317 - Minimum Design Guidelines for Suburban Arterial Roads and Streets

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Suburban1
SA-1
SA-2
1
Design Speed (mph)
50
55
2
Level of Service
C
C
3
Number of Lanes
2 (min)-4 (typ)
2 (min)-4 (typ)
4
Width of Travel Lanes(ft)
12
12
5
Width of Shoulders (minimum)
							 (ft)2
(a) Inside on multilane facilities
4
4
(b) Outside
8
8
6
Shoulder Type
Paved
Paved
7
Parking Lane Width (ft)
N/A
N/A
8
Width of Median on Multilane Facilities (ft)
(a) Depressed
30-42
42
(b) Raised
30
30
(c) Two way left turn lane
N/A
N/A
9
Width of Sidewalk (minimum) (where used)
							 (ft)3
(a) When offset from curb
4
4
(b) When adjacent to curb
N/A
N/A
10
Fore slope (vertical - horizontal)
1:4 to 1:6
1:6
11
Back slope (vertical - horizontal)
1:3
1:4
12
Pavement Cross-slope (%)
2.5
2.5
13
Minimum Stopping Sight Distance (ft)
425
495
14
Maximum
Superelevation (%)
4
6
15
Minimum Radius (ft)4, 5
(a) With normal crown
(-2.5% cross-slope)
16,700
19,700
(b) With 2.5% superelevation
3,500
5,250
(c) With full superelevation
1,000
1,100
16
Maximum Grade (%)
46
4
17
Minimum Vertical Clearance
							 (ft)-7
16
16
18
Minimum Clear Zone(ft)
(a) From edge of through travel lane
20 - 288
24
(b) Outside from back of curb (when curb is used)
10 (1:6)
18 (1:4)
14
(c) Median from back of curb (when curb is used)
12
18
19
Bridge Design Live Load 
							 9
AASHTO
AASHTO
20
Width of Bridges (minimum) (face to face of bridge
							 rail at gutter line) 
							 10
(a) Curbed facilities (without sidewalks)
Roadway width
Roadway width
(b) Shoulder facilities
Roadway width
Roadway width
21
Guardrail Required at Bridge Ends
Yes
Yes
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1319 - Footnotes for Suburban Arterial Design Guidelines

Current through Register Vol. 50, No. 6, June 20, 2024
A. Footnote for SA-1 and SA-2
				Classifications. These guidelines may be used only on a rural roadway section
				that adjoins a roadway section currently classified as urban. The
				classification selected should be based on the posted speed.
B. Footnote for Item 5. If curb is used, it
				shall be placed at the edge of shoulder on two lane facilities and 1 foot
				beyond the edge of the shoulders on multilane facilities. However, see EDSM
				II.2.1.7. Curb will not be placed in front of guardrail.
C. Footnote for Item 9. Sidewalks must be
				separated from the shoulder and should be placed as near the right of way line
				as possible. They should desirably be placed outside the minimum clear zone
				shown in item 18.
D. Footnote for
				Item 15. It may be necessary to increase the radius of the curve and/or
				increase the shoulder width (maximum of 12 feet) to provide adequate stopping
				sight distance on structure.
E.
				Footnote for Item 15. Different radii apply at divisional islands. See Footnote
				G for "Minimum Design Guidelines for Urban Arterial Roads and
				Streets."
F. Footnote for Item 16,
				SA-1 Classification. Grades 1 percent higher are permissible in rolling
				terrain.
G. Footnote for Item 17.
				An additional 6 inches should be added for additional future
				surfacing.
H. Footnote for Item
				18(a), SA-1 Classification. Use the larger value when 1:4 fore slopes are
				used.
I. Footnote for Item 19. LRFD
				for bridge design.
J. Footnote for
				Item 20. For roadways with shoulders and curbs, consider widening each bridge 8
				feet to allow for a future lane and 4 foot offsets to bridge rail.
K. General Note. DOTD pavement preservation
				minimum design guidelines or 3R minimum design guidelines (separate sheets)
				shall be applicable to those projects for which the primary purpose is to
				improve the riding surface.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1321 - Minimum Design Guidelines for Urban and Suburban Collector Roads and Streets

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Urban
Suburban1
UC-1
UC-2
SC-1
SC-2
SC-3
1
Average Daily Traffic
N/A
N/A
N/A
N/A
N/A
2
Design Speed (mph)
30-40
45
40
45
50
3
Number of Lanes (minimum)
2-4
2-4
2-4
2-4
2-4
4
Width of Travel Lanes (ft)
11-12
122
11
11
11-122
5
Width of Shoulders (ft)
(a) Inside on multilane facilities
N/A
N/A
N/A
N/A
43
(b) Outside
82, 4
82,4
4-54
4-54
6, 85
6
Shoulder Type
Paved
Paved
Paved
Paved
Paved
7
Width of Parking Lanes (where used) (ft)
7-106
11
7-106
11
N/A
8
Width of Median on multilane facilities (ft)
(a) Depressed
N/A
N/A
N/A
N/A
30
(b) Raised
4 (min)-30 (des)
4 (min) -30 (des)
4 (min)-30 (des)
4 (min)-30 (des)
26
(c) Two way left turn lane
11-14 typ.7
11-14 typ.7
11-14 typ.7
11-14 typ.7
N/A
9
Width of Sidewalk (minimum) (where used) (ft) 
							 8
(a) When offset from curb
4
4
4
4
4
(b) When adjacent to curb
6
6
6
6
N/A
10
Fore Slope (vertical - horizontal)
1:3-1:49
1:3-1:49
1:4
1:4
1:4
11
Back Slope (vertical - horizontal)
1:310
1:3
1:3
1:3
1:3
12
Pavement Cross Slope (%)
2.5
2.5
2.5
2.5
2.5
13
Minimum Stopping Sight Distance (ft)
200 (30mph) 305 (40mph)
360
305
360
425
14
Maximum Superelevation (%)
4
4
4
4
6
15
Minimum Radius (ft)11, 12
(a) With normal crown
(-2.5% cross slope)
325(30mph)
700(40mph)
1,000
700
1,000
16,700
(b) With 2.5%
superelevation
250(30mph)
550(40mph)
750
550
750
4,400
(c) With full
superelevation
235(30mph)
500(40mph)
700
500
700
900
16
Maximum Grade (%)
9
8
7
6
6
17
Minimum Vertical Clearance
							 (ft)13
15
15
15
15
15
18
Minimum Clear Zone(ft)
(a) From edge of through travel lane
10
10
10
10
26 - 2814
(b) Outside from back of curb (when curb is used)
1 (min)-6 (des)
6 (min)-8 (des)
1 (min)-6 (des)
6 (min)-8 (des)
17 - 1915
(c) Median from back of curb (when curb is used)
1 (min)-6 (des)
1 (min)-8 des)
1 (min) -6 (des)
1 (min)-8(des)
13
19
Bridge Design Live Load16
AASHTO
AASHTO
AASHTO
AASHTO
AASHTO
20
Minimum Width of Bridges (face to face of bridge
							 rail at gutter line)
(a) Curbed facilities
(without sidewalks)
Traveled17  way plus 8'
Traveled17  way plus 8'
Traveled 17  way plus 8'
Traveled17  way plus 8'
Roadway width
(b) Shoulder facilities
Roadway width
Roadway width
Roadway width
Roadway width
Roadway width
21
Guardrail Required at Bridge Ends
17
17
17
17
Yes
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).
Louisiana Administrative Code › Title 70 - TRANSPORTATION AND DEVELOPMENT › Part I - Highway Construction › Chapter 13 - Design Guidelines for Freeways, Arterial, Collector, and Local Highways under the Jurisdiction of Political Subdivisions and Not in the State-Maintained System › Section I-1325 - Minimum Design Guidelines for Urban Arterial Roads and Streets

Current through Register Vol. 50, No. 6, June 20, 2024
Item No.
Item
Urban
UA-1
UA-2
UA-3
UA-4
UA-5
1
Design Speed (mph)
40
45
50
55
60
2
Level of Service1
C
C
C
C
C
3
Number of Lanes
2 (min) -
4 (typ)
2 (min)-
4 (typ)
2 (min) -
4 (typ)
2 (min) -
4 (typ)
2 (min) -
4 (typ)
4
Width of Travel Lanes(ft)
11
11-12
12
12
12
5
Width of Shoulders (minimum)
							 (ft)2
(a) Inside on multilane facilities
N/A
N/A
4
4
4
(b) Outside
8
8
8
8
8
6
Shoulder Type
Paved
Paved
Paved
Paved
Paved
7
Parking Lane Width (ft)
10-12
10-12
N/A
N/A
N/A
8
Width of Median on Multilane Facilities (ft)
(a) Depressed
N/A
N/A
30
34-42
42
(b) Raised
63-30
63-30
30
30
30
(c) Two way left turn lane
11-14 typ.4
11 - 14 typ.4
N/A
N/A
N/A
9
Width of Sidewalk (minimum) (where used)
							 (ft)5
(a) When offset from curb
4
4
4
4
4
(b) When adjacent to curb
6
6
N/A
N/A
N/A
10
Fore slope (vertical - horizontal)
1:3 (min)
1:4 (des)
1:3 (min)
1:4 (des)
1:4
1:6
1:6
11
Back slope (vertical-horizontal)
1:3
1:3
1:3
1:4
1:4
12
Pavement Cross-slope (%)
2.5
2.5
2.5
2.5
2.5
13
Minimum Stopping Sight Distance (ft)
305
360
425
495
570
14
Maximum Superelevation (%)
4
4
4
6
6
15
Minimum Radius (ft)6, 7
(a) With normal crown
(-2.5% cross-slope)
700
1,000
16,700
19,700
22,880
(b) With 2.5% superelevation
550
750
3,500
5,250
6,280
(c) With full superelevation
500
700
1,000
1,100
1,400
16
Maximum Grade (%)
7
6
6
5
5
17
Minimum Vertical Clearance (ft) 
							 8
16
16
16
16
16
18
Minimum Clear Zone (ft)
(a) From edge of through travel lane
189
24 
							 9
2810
22
30
(b) Outside from back of curb (when curb is used)
6 (min)- 16 (des)11
6 (min)- 22 (des)11
1910
13
21
(c) Median from back of curb12 (when curb is used)
4 (min)- 12 (des)
4 (min)- 18 (des)
8 (min)- 17 (des)
8 (min)- 17 (des)
8 (min)- 25 (des)
19
Bridge Design Live Load13
AASHTO
AASHTO
AASHTO
AASHTO
AASHTO
20
Width of Bridges (minimum) (face to face of bridge
							 rail at gutter line)
(a) Curbed facilities
(without sidewalks)
Traveled 14
way plus 8'
Traveled 14
way plus 8'
Roadway width
Roadway width
Roadway width
(b) Shoulder facilities
Roadway
Width
Roadway
Width
Roadway width
Roadway width
Roadway width
21
Guardrail Required at Bridge Ends
14
14
Yes
Yes
Yes
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  48:35(C).