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Caltrans District Offices

District 1
District 1 headquarters office is located in the city of Eureka, Humboldt County, California. Many remote offices for both construction and maintenance activities are located throughout the District, which includes the counties of Del Norte, Humboldt, Lake, and Mendocino.

The North Coast depends on our highway infrastructure for both commerce and tourism. Route 101, traversing north to south through the heart of the District, has often been characterized as the "lifeline of the North Coast." Maintaining that route, and our highway system generally, in terrain that varies from mountainous to valley profiles, and from lake settings to coastline can be very challenging, especially in those areas where rainfall amounts are high.

http://www.dot.ca.gov/dist1/

District 2
District 2 encompasses more than 27,000 square miles and all or part of nine counties. Seven northeastern counties are located within the district's boundaries, which include Lassen, Modoc, Plumas, Shasta, Siskiyou, Tehama, and Trinity. District 2 also services portions of Butte and Sierra Counties.

http://www.dot.ca.gov/dist2/

District 3
Marysville is headquarters for District 3 which includes Administration, Maintenance, Planning and Local Assistance, Traffic Operations and the Lake Tahoe Basin divisions. It is also the North Region office which oversees the interrelated functions on disvisions committed to project delivery within the 22 counties of Districts 1, 2 and 3. These divisions include: Construction, Design and Engineering Services, Environmental, Program/Project Management and Right of Way. District 3 Counties include Butte, Colusa, El Dorado, Glenn, Nevada, Placer, Sacramento, Sierra, Sutter, Yolo and Yuba.

http://www.dot.ca.gov/dist3/

District 4
District 4 includes Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano and Sonoma counties.

http://www.dot.ca.gov/dist4/

District 5
District 5 is made up of Santa Barbara, San Luis Obispo, Monterey, San Benito and Santa Cruz Counties. There are 30 freeways and highways located within District 5 that if placed end-to-end would stretch for 1,169 miles.

http://www.dot.ca.gov/dist05/

District 6
The California Department of Transportation (Caltrans) District 6 is headquartered in Fresno. This geographically diverse district is the second largest of the 12 Districts statewide, stretching from the southernmost part of Yosemite National Park in the north to the Mojave Desert. It includes Madera, Fresno, Tulare, Kings and Kern counties.

From mountain peaks to desert floor, District 6 consists of 476 miles of freeway and 1,554 miles of rural and urban highway. The District has the largest portion of road miles to maintain in the state highway system with 2,030 miles.

Interstate 5 and State Route 99 run the length of District 6, serving as the main north-south arteries for not just the Central Valley, but for the entire state as well. These two routes carry a significant amount of truck traffic that is vital to the agricultural base of the region.

http://www.dot.ca.gov/dist6/

District 7
District 7, which includes Los Angeles and Ventura Counties, has the second largest workforce of 12 Caltrans statewide districts. The district employs over 2,500 people with the largest group working in construction and maintenance. The remaining employees are distributed among administrative, environmental, design, program and project management, operations, planning, external affairs and right of way divisions.

http://www.dot.ca.gov/dist07/

District 8
Caltrans District 8 covers Riverside and San Bernardino Counties in Southern California, which includes 49 incorporated cities. It is the largest of 12 statewide Caltrans districts and covers approximately 28,650 square miles of land. There are four interstates and 32 state routes totaling 7,200 lane miles within our boundaries.

http://www.dot.ca.gov/dist8/

District 9
District 9, established on October 11, 1923, is located on the eastern side of the Sierra Nevada Mountain Range. It encompasses both Inyo and Mono counties. The area ranges from the alpine settings and Sierra Nevadas to the low deserts and valleys.

http://www.dot.ca.gov/dist9/

District 10
Serving Alpine, Amador, Calaveras, Mariposa, Merced, San Joaquin, Stanislaus and Tuolumne counties.

http://www.dot.ca.gov/dist10/

District 11
District 11 is located in the southern most part of California, and includes San Diego County and Imperial County.

http://www.dot.ca.gov/dist11/

District 12
Caltrans District 12 is responsible for the design, construction, maintenance, and operation of the California State Highway System in Orange County and vicinity. Orange County is located in Southern California.

http://www.dot.ca.gov/dist12/

 

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