Welcome to Caltrans District 4
 

District 4 | Corridor System Management List and Map

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Interstate 80 - SF Oakland Bay Bridge Toll Plaza in
Alameda County to Carquinez Bridge in
Contra Costa County

Interstate 580 - I-580/205 Interchange to
I-880/238 Interchange in Alameda County

Interstate 880 - I-880/280 Interchange in
Santa Clara County to I-880/580/80 Interchange
in Alameda County

US Highway 101 - Golden Gate Bridge in
Marin County through Sonoma County to
Junction 128 in Sonoma

US Highway 101 - From Santa Clara
SR-85/US-101 South through
San Mateo County to San Mateo/SF County line

State Route 24 - SR-24/I-580/I-980 Interchange in
Alameda County through Caldecott Tunnel to
SR-24/I-680 Interchange in Contra Costa County

Interstate 80 - Carquinez Bridge to SR-113 North

State Route 4 - SR-4/I-80 Interchange
to SR-160 Interchange in Contra Costa County

State Route 12 - SR-12/SR-29 in Napa County to
Rio Vista Bridge in Solano County

State Route 84 - SR-84 from US-101 in San Mateo County to I-580 in Alameda County

Return to Corridor System Management Plans