Laws & Regulations
Contact NHTSA
- Email NHTSA
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Call NHTSA
- Toll-Free:
1-888-327-4236 - Hearing Impaired (TTY): 1-800-424-9153
- Toll-Free:
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Mail NHTSA
- NHTSA Headquarters
- 1200 New Jersey Avenue, SE
- West Building
- Washington, DC 20590
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Media inquiries:
- 202-366-9550
Information on NHTSA Budgets, Programs and Grants
Latest News
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October 11, 2012NHTSA Statement on Updated Test Video of Counterfeit Air Bags
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October 10, 2012Safety Advisory: NHTSA Alerting Consumers to Dangers of Counterfeit Air Bags
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September 17, 2012U.S. DOT and Safe Kids Kick Off Child Passenger Safety Week With New Survey on Common Car Seat Mistakes
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September 12, 2012NHTSA Announces Model Year 2013 Vehicles to be Rated Under Government 5-Star Safety Ratings Program
Interpretation Letters Database Search
NHTSA's Chief Counsel interprets statutes that the agency administers and the regulations that it promulgates. The Chief Counsel's interpretations, issued in the form of letters responding to questions from the motor vehicle industry and the public, represent the definitive view of the agency on the questions addressed and may be relied upon by the regulated industry and members of the public. Besides being accessible online, these interpretations are also available to the public in the agency's technical reference library in Washington.