Regulations last checked for updates: Apr 19, 2026

Title 49 - Transportation last revised: Apr 10, 2026

GENERAL REQUIREMENTS
BRAKE SYSTEM
DRAFT SYSTEM
SUSPENSION SYSTEM
ELECTRICAL SYSTEM
INTERNAL COMBUSTION EQUIPMENT
STEAM GENERATORS
CABS AND CAB EQUIPMENT
source: 45 FR 21109, Mar. 31, 1980, unless otherwise noted.