e-CFR data is current as of April 15, 2021
TITLE 23—Highways
CHAPTER I—FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION SUBCHAPTER A—GENERAL MANAGEMENT AND ADMINISTRATION 
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SUBCHAPTER B—PAYMENT PROCEDURES
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| PROCUREMENT, MANAGEMENT, AND ADMINISTRATION OF ENGINEERING AND DESIGN RELATED SERVICES
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| CREDIT ASSISTANCE FOR SURFACE TRANSPORTATION PROJECTS
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| INCENTIVE PAYMENTS FOR CONTROLLING OUTDOOR ADVERTISING ON THE INTERSTATE SYSTEM
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| DRUG OFFENDER'S DRIVER'S LICENSE SUSPENSION
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SUBCHAPTER C—CIVIL RIGHTS
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| TITLE VI PROGRAM AND RELATED STATUTES—IMPLEMENTATION AND REVIEW PROCEDURES
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SUBCHAPTER D—NATIONAL HIGHWAY INSTITUTE
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| EDUCATION AND TRAINING PROGRAMS
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SUBCHAPTER E—PLANNING AND RESEARCH
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| PLANNING AND RESEARCH PROGRAM ADMINISTRATION
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| PLANNING ASSISTANCE AND STANDARDS
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| PUBLIC ROAD MILEAGE FOR APPORTIONMENT OF HIGHWAY SAFETY FUNDS
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| NATIONAL PERFORMANCE MANAGEMENT MEASURES
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SUBCHAPTER F—TRANSPORTATION INFRASTRUCTURE MANAGEMENT
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| MANAGEMENT AND MONITORING SYSTEMS
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| PROJECTS OF NATIONAL AND REGIONAL SIGNIFICANCE EVALUATION AND RATING
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| REAL-TIME SYSTEM MANAGEMENT INFORMATION PROGRAM
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SUBCHAPTER G—ENGINEERING AND TRAFFIC OPERATIONS
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| DESIGN STANDARDS FOR HIGHWAYS
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| PRECONSTRUCTION PROCEDURES
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| REQUIRED CONTRACT PROVISIONS
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| CONSTRUCTION AND MAINTENANCE
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| CONSTRUCTION INSPECTION AND APPROVAL
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| BRIDGES, STRUCTURES, AND HYDRAULICS
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| CARPOOL AND VANPOOL PROJECTS
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| CERTIFICATION OF SIZE AND WEIGHT ENFORCEMENT
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| TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS—LENGTH, WIDTH AND WEIGHT LIMITATIONS
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| SPECIAL PROGRAMS (DIRECT FEDERAL)
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| INDIAN RESERVATION ROAD BRIDGE PROGRAM
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| PERIODIC EVALUATION OF FACILITIES REPEATEDLY REQUIRING REPAIR AND RECONSTRUCTION DUE TO EMERGENCY EVENTS
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| ENFORCEMENT OF HEAVY VEHICLE USE TAX
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SUBCHAPTER H—RIGHT-OF-WAY AND ENVIRONMENT
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| RIGHT-OF-WAY AND REAL ESTATE
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| JUNKYARD CONTROL AND ACQUISITION
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| LANDSCAPE AND ROADSIDE DEVELOPMENT
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| ENVIRONMENTAL IMPACT AND RELATED PROCEDURES
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| PROCEDURES FOR ABATEMENT OF HIGHWAY TRAFFIC NOISE AND CONSTRUCTION NOISE
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| SURFACE TRANSPORTATION PROJECT DELIVERY PROGRAM APPLICATION REQUIREMENTS AND TERMINATION
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| PARKS, RECREATION AREAS, WILDLIFE AND WATERFOWL REFUGES, AND HISTORIC SITES (SECTION 4(f))
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| MITIGATION OF IMPACTS TO WETLANDS AND NATURAL HABITAT
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| PILOT PROGRAM FOR ELIMINATING DUPLICATION OF ENVIRONMENTAL REVIEWS
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SUBCHAPTER I—PUBLIC TRANSPORTATION
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| MASS TRANSIT AND SPECIAL USE HIGHWAY PROJECTS
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SUBCHAPTER J—HIGHWAY SAFETY
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| HIGHWAY SAFETY IMPROVEMENT PROGRAM
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SUBCHAPTER K—INTELLIGENT TRANSPORTATION SYSTEMS
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| INTELLIGENT TRANSPORTATION SYSTEM ARCHITECTURE AND STANDARDS
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| ELECTRONIC TOLL COLLECTION
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SUBCHAPTER L—FEDERAL LANDS HIGHWAYS
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| NATIONAL PARK SERVICE MANAGEMENT SYSTEMS
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| FOREST SERVICE MANAGEMENT SYSTEMS
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| FISH AND WILDLIFE SERVICE MANAGEMENT SYSTEMS
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| MANAGEMENT SYSTEMS PERTAINING TO THE BUREAU OF INDIAN AFFAIRS AND THE INDIAN RESERVATION ROADS PROGRAM
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CHAPTER II—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION AND FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
SUBCHAPTER A—PROCEDURES FOR STATE HIGHWAY SAFETY PROGRAMS
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| UNIFORM PROCEDURES FOR STATE HIGHWAY SAFETY GRANT PROGRAMS
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SUBCHAPTER B—GUIDELINES
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| NATIONAL MINIMUM DRINKING AGE
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| OPERATION OF MOTOR VEHICLES BY INTOXICATED MINORS
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| USE OF SAFETY BELTS—COMPLIANCE AND TRANSFER-OF-FUNDS PROCEDURES
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| OPERATION OF MOTOR VEHICLES BY INTOXICATED PERSONS
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| UNIFORM SYSTEM FOR PARKING FOR PERSONS WITH DISABILITIES
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| SAFETY INCENTIVE GRANTS FOR USE OF SEAT BELTS—ALLOCATIONS BASED ON SEAT BELT USE RATES
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SUBCHAPTER C—GENERAL PROVISIONS
SUBCHAPTER D—TRANSFER AND SANCTION PROGRAMS
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| REPEAT INTOXICATED DRIVER LAWS
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CHAPTER III—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
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| UNIFORM PROCEDURES FOR STATE HIGHWAY SAFETY GRANT PROGRAMS
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| PROCEDURES FOR PARTICIPATING IN AND RECEIVING INFORMATION FROM THE NATIONAL DRIVER REGISTER PROBLEM DRIVER POINTER SYSTEM
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| UNIFORM CRITERIA FOR STATE OBSERVATIONAL SURVEYS OF SEAT BELT USE
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