Subtitle B - OTHER REGULATIONS RELATING TO TRANSPORTATION
- Chapter I - PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (§§ 105.5 — 199.245)
- Chapter II - FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (§§ 200.1 — 299)
- Chapter III - FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (§§ 303.1 — 399.211)
- Chapter IV - COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (§§ 450.1 — 453.7)
- Chapter V - NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (§§ 501.1 — 599)
- Chapter VI - FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (§§ 601.1 — 674.41)
- Chapter VII - NATIONAL RAILROAD PASSENGER CORPORATION (AMTRAK) (§§ 700.1 — 701.12)
- Chapter VIII - NATIONAL TRANSPORTATION SAFETY BOARD (§§ 800.1 — 850.35)
- Chapter X - SURFACE TRANSPORTATION BOARD (§§ 1001.1 — 1333.5)
- Chapter XII - TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY (§§ 1500.1 — 1582)