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Title 23

Displaying title 23, up to date as of 9/20/2021. Title 23 was last amended 9/20/2021.
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Title 23 Highways Part / Section
Chapter I Federal Highway Administration, Department of Transportation 1 – 999
Subchapter E Planning and Research 420 – 490
Part 420 Planning and Research Program Administration 420.101 – 420.209
Subpart A Administration of FHWA Planning and Research Funds 420.101 – 420.121
Subpart B Research, Development and Technology Transfer Program Management 420.201 – 420.209
Part 450 Planning Assistance and Standards 450.100 – 450.340
Subpart A Transportation Planning and Programming Definitions 450.100 – 450.104
Subpart B Statewide and Nonmetropolitan Transportation Planning and Programming 450.200 – 450.226
Subpart C Metropolitan Transportation Planning and Programming 450.300 – 450.340
Appendix A to Part 450
Linking the Transportation Planning and NEPA Processes
Part 460 Public Road Mileage for Apportionment of Highway Safety Funds 460.1 – 460.3
§ 460.1 Purpose.
§ 460.2 Definitions.
§ 460.3 Procedures.
Part 470 Highway Systems 470.101 – 470.115
Subpart A Federal-aid Highway Systems 470.101 – 470.115
Subparts B-C [Reserved]
Part 490 National Performance Management Measures 490.101 – 490.811
Subpart A General Information 490.101 – 490.111
Subpart B National Performance Management Measures for the Highway Safety Improvement Program 490.201 – 490.213
Subpart C National Performance Management Measures for the Assessing Pavement Condition 490.301 – 490.319
Subpart D National Performance Management Measures for Assessing Bridge Condition 490.401 – 490.413
Subpart E National Performance Management Measures To Assess Performance of the National Highway System 490.501 – 490.513
Subpart F National Performance Management Measures To Assess Freight Movement on the Interstate System 490.601 – 490.613
Subpart G National Performance Management Measure for Assessing the Congestion Mitigation and Air Quality Improvement Program - Traffic Congestion 490.701 – 490.713
Subpart H National Performance Management Measures to Assess the Congestion Mitigation and Air Quality Improvement Program - On-Road Mobile Source Emissions 490.801 – 490.811