U.S. Code of Federal Regulations

Regulations most recently checked for updates: Jan 21, 2026

All TitlesTitle 49 - Transportation
Chapter A [§ 1.1 - § 99.735-81] - Subtitle A—Office of the Secretary of Transportation
Chapter I [§ 105.5 - § 177.870] - CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter I [§ 178.1 - § 199.245] - CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED)
Chapter II [§ 200.1 - § 299.713] - CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter III [§ 303.1 - § 399.211] - CHAPTER III—FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter IV [§ 450.1 - § 453.7] - CHAPTER IV—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
Chapter V [§ 501.1 - § 571.500] - CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter V [§ 572.1 - § 599.603] - CHAPTER V—NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED)
Chapter VI [§ 601.1 - § 674.41] - CHAPTER VI—FEDERAL TRANSIT ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
Chapter VII [§ 700.1 - § 701.12] - CHAPTER VII—NATIONAL RAILROAD PASSENGER CORPORATION (AMTRAK)
Chapter VIII [§ 800.1 - § 850.35] - CHAPTER VIII—NATIONAL TRANSPORTATION SAFETY BOARD
Chapter X [§ 1001.1 - § 1185.6] - CHAPTER X—SURFACE TRANSPORTATION BOARD
Chapter X [§ 1200.1 - § 1333.5] - CHAPTER X—SURFACE TRANSPORTATION BOARD (CONTINUED)
Chapter 0 - CHAPTER XI—RESEARCH AND INNOVATIVE TECHNOLOGY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION [RESERVED]
Chapter XII [§ 1500.1 - § 1584.115] - CHAPTER XII—TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY
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