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Vehicle Size & Weight

Federal interest in preserving highways goes back to the enactment of the Federal-Aid Highway Act of 1956, which authorized the Interstate and Defense Highway System. To preserve our Nation's infrastructure and to keep trucks and buses moving efficiently, states must ensure that commercial motor vehicles comply with federal size and weight standards. FHWA is responsible for certifying state compliance with Federal standards. This site provides a ready source of information on Federal standards and guidelines, state enforcement activities, reporting requirements, and contacts.

Vehicle Size & Weight Challenges, Concerns and Future Directions [HTML, PDF - 217KB]

NEED HELP?   DID YOU KNOW THAT... FHWA staff in your state are readily available to answer your questions about federal commercial vehicle size and weight standards. View a list of FHWA contacts in your state.
Visit http://www.fhwa.dot.gov/webstate.htm for a list of contacts in state highway agencies, state departments of transportation, state departments of public safety, and other pertinent state agencies.
QUESTIONS on household good movers, brokers or carrier licenses, DOT vehicle numbers, commercial driver licenses, driver physical qualifications, motor vehicle safety or vehicle problems, should be referred to other agencies. View a list of contacts on these issues.

Publications

Federal Notices and Rulemakings on Vehicle Size and Weight

Special Reports

State Reports

Other Related Sites

Staff Contacts

Robert Davis
202-366-2997
robert.davis@fhwa.gov

Phillip Forjan
202-366-6817
phillip.forjan@fhwa.dot.gov

Julie Strawhorn
202-366-4415
julie.strawhorn@fhwa.dot.gov

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