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U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter IIPart 232 - PART 232—BRAKE SYSTEM SAFETY STANDARDS FOR FREIGHT AND OTHER NON-PASSENGER TRAINS AND EQUIPMENT; END-OF-TRAIN DEVICES
Subpart A [§ 232.1 - § 232.21] - Subpart A—General
Subpart B [§ 232.101 - § 232.111] - Subpart B—General Requirements
Subpart C [§ 232.201 - § 232.219] - Subpart C—Inspection and Testing Requirements
Subpart D [§ 232.301 - § 232.309] - Subpart D—Periodic Maintenance and Testing Requirements
Subpart E [§ 232.401 - § 232.409] - Subpart E—End-of-Train Devices
Subpart F [§ 232.501 - § 232.505] - Subpart F—Introduction of New Brake System Technology
Subpart G [§ 232.601 - § 232.613] - Subpart G—Electronically Controlled Pneumatic (ECP) Braking Systems
Subpart H [§ 232.700 - § 232.719] - Subpart H—Tourist, Scenic, Historic, and Excursion Operations Braking Systems
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