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Laws and Regulations

As a Federal agency, NHTSA regulates the safety of motor vehicles and related equipment.

Statutes

NHTSA administers statutory authority under title 49 of the United States Code, Chapters 301, 303, 321, 323, 325, 327, 329 and 331.

Federal Motor Vehicle Safety Standards

NHTSA issues Federal Motor Vehicle Safety Standards to implement laws from Congress. FMVSSs can be found in title 49, part 571, of the Code of Federal Regulations.

  • FMVSS

    Title 49, Part 571, Code of Federal Regulations

Regulations

NHTSA sets vehicle safety regulations, which can be found in title 49 of the Code of Federal Regulations, and highway safety regulations, which can be found in title 23 of the Code of Federal Regulations.

Other Authorities

Programs, Guidance & Reports

NHTSA in the Federal Register

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

Go to the Federal Register