Solano County Department of Transportation

Find Solano County California departments of transportation, highways, roads, and bridge departments. Departments of transportation provide information on public transport, including roads, highways, bridges, traffic conditions, closures, tolls and travel information.


Benicia US Transportation Department 2595 Lake Herman Road Benicia CA 94510 707-745-0487


California Department Of Transportation 690 Walnut Avenue Vallejo CA 94592 707-649-5453

Dixon Transportation Department 8638 Sparling Lane Dixon CA 95620 707-678-2153

Fairfield Transportation Department 2019 West Texas Street Fairfield CA 94533 707-428-2031

Rio Vista Transportation Department 480 Highway 12 Rio Vista CA 94571 707-374-2214

Solano County Road Maintenance 3255 North Texas Street Fairfield CA 94533 707-421-6055

Solano County Road Maintenance 301 Brown Street Vacaville CA 95688 707-448-6942

Solano County Transportation 940 Saint Francis Way Rio Vista CA 94571 707-374-5331

Vallejo Transportation Department 1700 Lewis Brown Drive Vallejo CA 94589 707-642-1297

About Solano County Departments of Transportation

Solano County Departments of Transportation are branches of California State, Solano County, or Federal government whose mission is to plan for and develop a fast, efficient, accessible, and convenient transportation system and infrastructure that effectively serves the citizenry and promotes economic vitality in Solano County, CA.

You may contact the Department of Transportation for questions about:
  • Solano County DOT compliance training
  • DOT number lookups
  • Road, interstate and highway traffic and closures
  • Road toll and travel information
  • Solano County Transportation Dept jobs and employment
Solano County Department of Transportation

Solano County Transportation Departments are responsible for maintaining and improving transportation infrastructure, including state roads and highways, bridges, airports, ports and waterways, public transit systems, and railways in Solano County. Infrastructure maintenance often involves emergency response to accidents, disasters, and inclement weather such as winter storms. Solano County DOT Offices manages the allocation of Federal and California State funding for Solano County transportation capital improvements and the use of any California funding sources dedicated for transportation purposes, such as toll proceeds and fuel taxes.

US Department of Transportation

The U.S. Department of Transportation (USDOT) is a cabinet-level department headed by the Secretary of Transportation. The department is comprised of eleven offices and administrations primarily organized around modes of transportation. Much of what USDOT does is regulatory in nature. For example, the National Highway Traffic Safety Administration develops regulations for motor vehicle safety and for fuel efficiency standards in Solano County. The Pipeline and Hazardous Materials Safety Administration regulates the nation's pipeline infrastructure and shipments of hazardous material by land, sea, and air.

Solano County Transportation Projects

The USDOT is a major source of funding for transportation capital projects, especially transit and highway projects in Solano County, CA. The Surface Transportation Program provides California State and local Solano County governments approximately $10 billion annually in flexible funding for a wide range of improvements, as well as capital planning purposes.