Laws & Regulations
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Contact NHTSA
- Email NHTSA
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Call NHTSA
- Toll-Free:
1-888-327-4236 - Hearing Impaired (TTY): 1-800-424-9153
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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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February 03, 2012Consumer Advisory: NHTSA Advises Against Drinking and Driving on Super Bowl Sunday
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January 27, 2012Consumer Advisory: Britax Recalling 14,220 Child Safety Seats for Safety Harness Straps That Will Not Properly Restrain Child
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January 20, 2012NHTSA Statement on Conclusion of Chevy Volt Investigation
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January 18, 2012NHTSA Statement on NAS Report on Electronic Control Systems
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.
