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 descending Subject Actions
 
208 49 CFR Part 571 Seat Belts on Motorcoaches

In accordance with NHTSA’s 2007 Motorcoach Safety Plan and DOT’s 2009 Departmental Motorcoach Safety Action Plan, NHTSA is issuing this NPRM to propose to amend the Federal motor vehicle safety standard (FMVSS) on occupant crash protection (FMVSS No. 208) to require lap/shoulder seat belts for each passenger seating position in new motorcoaches.This NPRM also proposes to require a lap/shoulder belt for the motorcoach and large school bus driver’s seating positions, which currently are required to have either a lap or a lap/shoulder belt.

Notice of Proposed Rulemaking (NPRM): Motorcoach Definition; Occupant Crash Protection 352.67 KB
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 - partial response to petitions for reconsideration.: Federal Motor Vehicle Safety Standards; Air Brake Systems 61.95 KB
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
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 Child Restraint Anchorage Systems

Final rule, response to petitions for reconsideration
49 CFR Part 571 Head Impact Protection

Final Rule
206 49 CFR Part 571 Door Locks and Door Retention Components and Side Impact Protection

We are proposing to amend Federal Motor Vehicle Safety Standard (FMVSS) No. 206, Door locks and door retention components, in order to add and update requirements and test procedures and to harmonize with the world’s first global technical regulation for motor vehicles.

Laboratory Test Procedure: Door Locks and Door Retention Components 517.39 KB
49 CFR Part 571 Child Restraint Systems

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

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