Chapter I - FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- Subchapter A - GENERAL MANAGEMENT AND ADMINISTRATION (§§ 1.1 — 1.36)
- Subchapter B - PAYMENT PROCEDURES (§§ 140.501 — 192.7)
- Subchapter C - CIVIL RIGHTS (§§ 200.1 — 230)
- Subchapter D - NATIONAL HIGHWAY INSTITUTE (§§ 260.101 — 260)
- Subchapter E - PLANNING AND RESEARCH (§§ 420.101 — 490.811)
- Subchapter F - TRANSPORTATION INFRASTRUCTURE MANAGEMENT (§§ 500.101 — 515.19)
- Subchapter G - ENGINEERING AND TRAFFIC OPERATIONS (§§ 620.101 — 680.118)
- Subchapter H - RIGHT-OF-WAY AND ENVIRONMENT (§§ 710.101 — 778.113)
- Subchapter I - PUBLIC TRANSPORTATION (§§ 810.2 — 810.310)
- Subchapter J - HIGHWAY SAFETY (§§ 924.1 — 924.17)
- Subchapter K - INTELLIGENT TRANSPORTATION SYSTEMS (§§ 940.1 — 950.9)
- Subchapter L - FEDERAL LANDS HIGHWAYS (§§ 970.100 — 973.214)