- Transportation Research Board
- Bureau of Transportation Statistics
- National Highway Traffic Safety Administration
- California Highway Patrol Bay Area Incident Page
- San Francisco Bay Area Transit Information
- Bay Area Transportation Information
- State of California
- California Office of Traffic Safety
- California Smart Traveler Website
- Center for Microcomputers in Transportation
- American Association of State Highway and Transportation Officials
- California Department of Motor Vehicles
- The Harmer E. Davis Transportation Library