Regulations

NHTSA issues Federal Motor Vehicle Safety Standards (FMVSS) to implement laws from Congress. These regulations allow us to fulfill our mission to prevent and reduce vehicle crashes.

100 Results
FMVSS Number Partsort ascending Subject Actions
 
49 CFR Part 571, 598 Federal Motor Vehicle Safety Standards; Side Impact Protection; Side Impact Phase-In Reporting Requirements

Notice of proposed rulemaking
49 CFR Part 571, 572, 589 Head Impact Protection

Final Rule; Response to Petitions for Reconsideration.
49 CFR Part 571, 572, 589 Head Impact Protection

Final Rule; Response to Petitions for Reconsideration.
49 CFR Part 571 Occupant Crash Protection

Final Rule
121 49 CFR Part 571 Air Brake Systems

Amends the FMVSS on air brake systems to improve the stopping distance performance of truck tractors. The rule requires the vast majority of new heavy truck tractors to achieve a 30 percent reduction in stopping distance compared to currently required levels. For these heavy truck tractors (approximately 99 percent of the fleet), the amended standard requires those vehicles to stop in not more than 250 feet when loaded to their gross vehicle weight rating (GVWR) and tested at a speed of 60 miles per hour (mph). For a small number of very heavy severe service tractors, the stopping distance requirement will be 310 feet under these same conditions. In addition, this final rule requires that all heavy truck tractors must stop within 235 feet when loaded to their “lightly loaded vehicle weight” (LLVW).

Final Rule: Federal Motor Vehicle Safety Standards; Air Brake Systems 391.12 KB Final Rule - Federal Motor Vehicle Safety Standards; Air Brake Systems 61.95 KB
49 CFR Part 571 Child Restraint Anchorage Systems

Final rule, response to petitions for reconsideration
222 49 CFR Part 571 School Bus Passenger Seating and Crash Protection

Final Rule: Seating Systems, Occupant Crash Protection, Seat Belt Assembly Anchorages, School Bus Passenger Seating and Crash Protection 921.99 KB Notice of Proposed Rulemaking: Federal Motor Vehicle Safety Standards; Seating Systems, Occupant Crash Protection, Seat Belt Assembly Anchorages, School Bus Passenger Seating and Crash Protection 358.76 KB
222 49 CFR Part 571 School Bus Passenger Seating and Crash Protection

Notice of Proposed Rulemaking: Seating Systems, Occupant Crash Protection, Seat Belt Assembly Anchorages, School Bus Passenger Seating and Crash Protection 358.76 KB Final Rule: Occupant Crash Protection, Seat Belt Assembly Anchorages, School Bus Passenger Seating and Crash Protection 921.99 KB
49 CFR Part 571 Head Impact Protection

Final Rule
49 CFR Part 571 Child Restraint Systems

Final Rule
National Highway Traffic Safety Administration Federal Motor Vehicle Safety Standards (FMVSS)

NHTSA on the Federal Register

View notices, proposed rules and final rules NHTSA administers. Also respond to requests for comment.