Federal-Aid Policy Guide
Title 23 - Code of Federal Regulations
(and Non-regulatory Supplements)
Table of Contents
CHAPTER I - FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER A - GENERAL MANAGEMENT AND ADMINISTRATION
SUBCHAPTER B - PAYMENT PROCEDURES
SUBCHAPTER C - CIVIL RIGHTS
SUBCHAPTER D - NATIONAL HIGHWAY INSTITUTE
SUBCHAPTER E - PLANNING AND RESEARCH
SUBCHAPTER F - TRANSPORTATION INFRASTRUCTURE MANAGEMENT
| 500 | Management and Monitoring Systems |
| 511 | [Reserved] |
SUBCHAPTER G - ENGINEERING AND TRAFFIC OPERATIONS
| 620 | Engineering |
| Non-regulatory Supplement for Part 620, Subpart A |
| 625 | Design Standards for Highways |
| Non-regulatory Supplement for Part 625 |
| Interstate System Access |
| 626 | Pavement Policy |
| Non-regulatory Supplement for Part 626 |
| 627 | Value Engineering |
| 630 | Preconstruction Procedures |
| Non-regulatory Supplement for Part 630, Subpart A |
| Non-regulatory Supplement for Part 630, Subpart B |
| Non-regulatory Supplement for Part 630, Subpart D |
| Non-regulatory Supplement for Part 630, Subpart H |
| 633 | Required Contract Provisions |
| Non-regulatory Supplement for Part 633, Subpart A |
| Non-regulatory Supplement for Part 633, Subpart B |
| Non-regulatory Supplement 1 for Part 633, Subpart B |
| Non-regulatory Supplement 2 for Part 633, Subpart B |
| Non-regulatory Supplement 3 for Part 633, Subpart B |
| Non-regulatory Supplement 4 for Part 633, Subpart B |
| Non-regulatory Supplement 5 for Part 633, Subpart B |
| 635 | Construction and Maintenance |
| Non-regulatory Supplement for Part 635 |
| Non-regulatory Supplement for Part 635, Subpart A |
| Non-regulatory Supplement for Part 635, Subpart B |
| Non-regulatory Supplement for Part 635, Subpart C |
| Non-regulatory Supplement for Part 635, Subpart D |
| 636 | Design-build Contracting |
| 637 | Construction Inspection and Approval |
| Non-regulatory Supplement for Part 637, Subpart B |
| 645 | Utilities |
| Non-regulatory Supplement 1 for Part 645, Subpart A |
| Non-regulatory Supplement 2 for Part 645, Subpart A |
| 646 | Railroads |
| Non-regulatory Supplement for Part 646, Subpart A |
| Non-regulatory Supplement 1 for Part 646, Subpart B |
| Non-regulatory Supplement 2 for Part 646, Subpart B |
| Non-regulatory Supplement 3 for Part 646, Subpart B |
| Non-regulatory Supplement 4 for Part 646, Subpart B |
| Non-regulatory Supplement 5 for Part 646, Subpart B |
| 650 | Bridges, Structures, and Hydraulics |
| Non-regulatory Supplement 1 for Part 650, Subpart A |
| Non-regulatory Supplement 2 for Part 650, Subpart A |
| Non-regulatory Supplement 3 for Part 650, Subpart A |
| Non-regulatory Supplement 1 for Part 650, Subpart B |
| Non-regulatory Supplement 2 for Part 650, Subpart B |
| Non-regulatory Supplement 3 for Part 650, Subpart B |
| Non-regulatory Supplement for Part 650, Subpart C |
| Non-regulatory Supplement for Part 650, Subpart D |
| Non-regulatory Supplement for Part 650, Subpart G |
| Non-regulatory Supplement for Part 650, Subpart H |
| 652 | Pedestrian and Bicycle Accommodations and Projects |
| 655 | Traffic Operations |
| 656 | Carpool and Vanpool Projects |
| Non-regulatory Supplement for Part 656 |
| 657 | Certification of Size and Weight Enforcement |
| 658 | Truck Size and Weight, Route DesignationsLength, Width and Weight Limitations |
| Non-regulatory Supplement for Part 658 |
| 660 | Special Programs (Direct Federal) |
| Non-regulatory Supplement for Part 660, Subpart A |
| Non-regulatory Supplement 1 for Part 660, Subpart E |
| Non-regulatory Supplement 2 for Part 660, Subpart E |
| Non-regulatory Supplement 3 for Part 660, Subpart E |
| Non-regulatory Supplement 4 for Part 660, Subpart E |
| Non-regulatory Supplement 5 for Part 660, Subpart E |
| 661 | Indian Reservation Road Bridge Program |
| 667 | [Reserved] |
| 668 | Emergency Relief Program |
| 669 | Enforcement of Heavy Vehicle Use Tax |
| Non-regulatory Supplement for Part 669 |
SUBCHAPTER H - RIGHT-OF-WAY AND ENVIRONMENT
SUBCHAPTER I - PUBLIC TRANSPORTATION
| 810 | Mass Transit and Special Use Highway Projects |
SUBCHAPTER J - HIGHWAY SAFETY
SUBCHAPTER K - INTELLIGENT TRANSPORTATION SYSTEMS
| 940 | Intelligent Transportation System Architecture and Standards |
SUBCHAPTER L - FEDERAL LANDS HIGHWAYS
| 970 | National Park Service Management Systems |
| 971 | Forest Service Management Systems |
| 972 | Fish and Wildlife Service Management Systems |
| 973 | Management Systems Pertaining to the Bureau of Indian Affairs and the Indian Reservation Roads Program |
CHAPTER II - NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION AND FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER A - PROCEDURES FOR STATE HIGHWAY SAFETY PROGRAMS
| 1200 | Uniform Procedures for State Highway Safety Programs |
SUBCHAPTER B - GUIDELINES
| 1204 | [Reserved] |
| 1205 | Highway Safety Programs; Determinations of Effectiveness |
| 1206 | Rules of Procedure for Invoking Sanctions Under The Highway Safety Act of 1966 |
| 1208 | National Minimum Drinking Age |
| 1210 | Operation of Motor Vehicles By Intoxicated Minors |
| 1215 | Use of Safety BeltsCompliance and Transfer-of-funds Procedures |
| 1225 | Operation of Motor Vehicles By Intoxicated Persons |
| 1235 | Uniform System for Parking for Persons With Disabilities |
| 1240 | Safety Incentive Grants for Use of Seat BeltsAllocations Based On Seat Belt Use Rates |
SUBCHAPTER C - GENERAL PROVISIONS
| 1250 | Political Subdivision Participation In State Highway Safety Programs |
| 1251 | State Highway Safety Agency |
| 1252 | State Matching of Planning and Administration Costs |
SUBCHAPTER D - TRANSFER AND SANCTION PROGRAMS
| 1270 | Open Container Laws |
| 1275 | Repeat Intoxicated Driver Laws |
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