Helpful Links

Federal Motor Carrier Safety Administration

Information Line: 800-832-5660
Drug & Alcohol Clearinghouse
SAFER (carrier safety information)

FMCSA has an office in each state, headed by a State Director who is employed by FMCSA. You can access your state’s FMCSA office by typing “fmcsa” and the name of the state into the search bar and click on the link that appears.

Federal Highway Administration (FHWA)

Information Line: 202-366-4000
Tire Chain Laws
Other topics 
State Transportation Websites 

Pipeline & Hazardous Materials Safety Administration (PHMSA)

Information Line: 202-366-4433

Commercial Vehicle Safety Alliance (CVSA)

Information Line: 301-830-6143

Email Headquarters Staff

Specialized Carriers & Rigging Association (SC&RA)

Information Line: 703-698-0291; info@scranet.org

California Air Resources Board (CARB)

Information Line: 800-242-4450
Truck & Bus Regulations: 866-634-3735

Email Helpline

Drayage or Port Trucking

Drayage or Port Trucking: 888-247-4821; drayage@arb.ca.gov
Reefers (TRUs): 888-878-2826; arber@arb.ca.gov

Recommended Weather Information Sites

National Weather Service 
Weather Bug
511 System