San Francisco County — Caltrans has successfully completed the weekend freeway work on northbound Interstate 280 (NB I‑280) between Mariposa Street and the I‑280/US 101 Interchange, conducted October ...

Marin County — Caltrans will continue its Capital Preventive Maintenance project along US-101 in October for paving as well as temporary and permanent pavement striping. Turn right on to Civic Center ...

What you need to know: California is taking steps to protect highways and communities from extreme weather by using updated guidance and tools aimed at furthering adaptation efforts of the state’s ...

Caltrans will perform an additional 36-hour full highway closure of State Route 4 (SR-4) from Roberts Road to the San Joaquin ...

Friday, October 23 at 11 p.m. to Monday, October 26, 6 a.m. San Francisco County ― Caltrans has planned a full weekend closure of the westbound I-80 Bayshore Freeway from 5th St. to 15th St. in San ...

Sacramento — Mark your calendars for California’s largest annual volunteer cleanup effort on Saturday, Sept. 19. Communities statewide will come together for the 42 nd Annual California Coastal ...

Marin County — Caltrans is scheduled to begin work on a structural improvement project on Northbound US-101 at the Harbor Bridge in San Rafael. The project will require nightly lane closures and a ...

LOS ANGELES — Caltrans announces extended weekend lane reductions along southbound Interstate 405 (I-405) through the Sepulveda Pass. Southbound I-405 will be reduced to three lanes and motorists are ...

SANTA BARBARA COUNTY – Construction crews will continue work on the US 101 pavement rehabilitation project in Buellton as the project advances into another stage of construction. Beginning Wednesday, ...

Northbound Lanes REOPENED between Cesar Chavez St. to 17th St. San Francisco County — Caltrans has completed this Labor Day Weekend closure and all northbound U.S. 101 Bayshore Freeway (Hospital Curve ...

These lane closures are necessary to complete major pavement repair work as part of the ongoing Fab 4 Hospital Curve Rehabilitation Project, which began in Fall 2025. Work crews will conduct 24/7 ...

What you need to know: California is investing in transportation projects throughout the state to enhance safety across the state highway system, strengthen infrastructure resiliency to extreme ...