San Joaquin County Department of Transportation

Find San Joaquin 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.


California Department Of Transportation 1604 South B Street Stockton CA 95206 209-948-7820


California Department of Transportation 1976 Drive Martin Luther King Junior Boulevard Stockton CA 95205 209-948-7543

California Department of Transportation 1976 East Charter Way Stockton CA 95205 209-948-7543

San Joaquin Public Works Department 1810 East Hazelton Avenue Stockton CA 95205 209-468-3074

State Of California Transportation Department 820 Cluff Avenue Lodi CA 95240 209-331-7173

State Of California Transportation Department 24155 Corral Hollow Road Tracy CA 95376 209-835-6779

About San Joaquin County Departments of Transportation

San Joaquin County Departments of Transportation are branches of California State, San Joaquin 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 San Joaquin County, CA.

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

San Joaquin 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 San Joaquin County. Infrastructure maintenance often involves emergency response to accidents, disasters, and inclement weather such as winter storms. San Joaquin County DOT Offices manages the allocation of Federal and California State funding for San Joaquin 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 San Joaquin County. The Pipeline and Hazardous Materials Safety Administration regulates the nation's pipeline infrastructure and shipments of hazardous material by land, sea, and air.

San Joaquin County Transportation Projects

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