"Contra Costa"

Caltrans : Roadwork on I-80 Eastbound exiting at Cummings Skwy (Crockett). Off Ramp closed until 7 AM. From 7:00 PM Monday, October 26, 2026 to 7:00 AM Tuesday, October 27, 2026. Construction

I-80 E Contra Costa 14 minutes ago Live

Caltrans : Long-term construction on I-580 Westbound entering at Western Dr (Richmond). On Ramp closed. Expect delays. From 5:15 AM Monday, September 28, 2026 to 12:00 AM Monday, May 24, 2027. Construction

I-580 W Contra Costa 14 minutes ago Live

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Bollinger Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-680 S Contra Costa 29 minutes ago

Caltrans : Roadwork on I-680 Southbound between Bollinger Canyon Rd (San Ramon) and Alcosta Blvd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-680 S Contra Costa 29 minutes ago

Caltrans : Roadwork on I-680 Northbound between Bollinger Canyon Rd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-680 N Contra Costa 29 minutes ago

Caltrans : Roadwork on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-680 S Contra Costa 29 minutes ago

Caltrans : Roadwork on I-580 Westbound between Castro St (Richmond) and Western Dr (Richmond). Right lane and shoulder closed until 6 AM. From 7:00 PM Monday, October 26, 2026 to 6:00 AM Tuesday, October 27, 2026. Construction

I-580 W Contra Costa 29 minutes ago

Caltrans : Roadwork on I-580 Westbound between Castro St (Richmond) and Western Dr (Richmond). Right shoulder closed until 5 AM. From 9:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-580 W Contra Costa 29 minutes ago

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

CA-4 W Contra Costa 44 minutes ago

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

CA-4 E Contra Costa 44 minutes ago

CHP : Traffic Hazard on CA-24 Eastbound north of Camino Pablo (Orinda). Lane affected. Expect delays. Accident

CA-24 E Contra Costa 2 hours, 59 minutes ago Moderate

Caltrans : Roadwork on CA-4 Eastbound at Sand Creek Rd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

CA-4 E Contra Costa 2 hours, 59 minutes ago

Caltrans : Roadwork on CA-4 Eastbound at Bixler Rd (Discovery Bay). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

CA-4 E Contra Costa 2 hours, 59 minutes ago

Caltrans : Roadwork on CA-4 Eastbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

CA-4 E Contra Costa 2 hours, 59 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp closed until 4 AM. From 9:00 PM Monday, October 26, 2026 to 4:00 AM Tuesday, October 27, 2026. Construction

I-680 S Contra Costa 3 hours, 14 minutes ago

Caltrans : Roadwork on I-680 Northbound exiting at Stone Valley Rd (Alamo). Off Ramp closed until 6-30 AM. From 8:00 PM Monday, October 26, 2026 to 6:30 AM Tuesday, October 27, 2026. Construction

I-680 N Contra Costa 3 hours, 14 minutes ago

Caltrans : Roadwork on I-680 Northbound exiting at Stone Valley Rd (Alamo). Off Ramp closed until 6-30 AM. From 8:00 PM Monday, October 26, 2026 to 6:30 AM Tuesday, October 27, 2026. Construction

I-680 N Contra Costa 3 hours, 14 minutes ago

Caltrans : Roadwork on I-680 Northbound between Stone Valley Rd (Alamo) and Livorna Rd (Alamo). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-680 N Contra Costa 3 hours, 14 minutes ago

Caltrans : Roadwork on I-680 Northbound entering at Stone Valley Rd (Alamo). On Ramp closed until 5 AM. From 9:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026. Construction

I-680 N Contra Costa 3 hours, 14 minutes ago

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Monday, October 26, 2026 to 4:00 AM Tuesday, October 27, 2026. Construction

CA-4 E Contra Costa 6 hours, 14 minutes ago

CHP : Disabled vehicle on CA-4 Westbound east of CA-160 (Antioch). Center lane blocked. Expect delays. Accident

CA-4 W Contra Costa 8 hours, 59 minutes ago Moderate

CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). Left lane affected. Expect delays. Accident

I-680 S Contra Costa 10 hours, 59 minutes ago Moderate

CHP : Traffic Hazard on I-680 Northbound south of CA-242 N (Concord). Left lane affected. Expect delays. Accident

I-680 N Contra Costa 11 hours, 44 minutes ago Moderate

CHP : Brush fire on I-680 Northbound exiting at Treat Blvd (Walnut Creek). Right lane blocked. Expect delays. Accident

I-680 N Contra Costa 11 hours, 44 minutes ago Moderate

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 6 PM. From 10:00 AM Monday, October 26, 2026 to 6:00 PM Monday, October 26, 2026. Construction

I-680 S Contra Costa 12 hours, 14 minutes ago

CHP : Disabled vehicle on CA-4 Eastbound entering at Willow Pass Rd (Pittsburg). Left lane blocked. Expect delays. Accident

CA-4 E Contra Costa 13 hours, 44 minutes ago Moderate

CHP : Traffic Hazard on I-680 Northbound south of Waterfront Rd (Martinez). Right lane affected. Expect delays. Accident

I-680 N Contra Costa 13 hours, 59 minutes ago Moderate

CHP : Traffic Collision with Injuries on I-680 Southbound north of Willow Pass Rd (Concord). Right lane blocked. Expect delays. Accident

I-680 S Contra Costa 14 hours, 14 minutes ago Moderate

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Lane affected. Expect delays. Accident

CA-4 E Contra Costa 14 hours, 59 minutes ago High

CHP : Traffic Hazard on I-680 Southbound north of W El Pintado (Danville). Lanes blocked. Expect delays. Accident

I-680 S Contra Costa 15 hours, 14 minutes ago Moderate

CHP : Traffic Hazard on I-580 Westbound east of Richmond San Rafael Bridge - Toll Plaza (Richmond). Lanes blocked. Expect delays. Accident

I-580 W Contra Costa 15 hours, 29 minutes ago High

CHP : Traffic Hazard on I-680 Northbound entering at Arthur Rd (Martinez). Lane affected. Expect delays. Accident

I-680 N Contra Costa 15 hours, 29 minutes ago Moderate

CHP : Traffic Hazard on I-580 Westbound east of Castro St (Richmond). Right lane affected. Expect delays. Accident

I-580 W Contra Costa 15 hours, 44 minutes ago Moderate

Caltrans : Bridge work on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Right shoulder closed until 2 PM. From 4:00 AM Monday, October 26, 2026 to 2:00 PM Monday, October 26, 2026. Construction

I-580 E Contra Costa 15 hours, 44 minutes ago

CHP : Disabled vehicle on CA-4 Eastbound west of Balfour Rd (Brentwood). Left shoulder affected. Expect delays. Accident

CA-4 E Contra Costa 17 hours, 44 minutes ago Moderate

Caltrans : Roadwork on CA-4 Eastbound at Bailey Rd (Pittsburg). Lane closed until 2 PM. From 9:30 AM Monday, October 26, 2026 to 2:00 PM Monday, October 26, 2026. Construction

CA-4 E Contra Costa 18 hours, 14 minutes ago

CHP : Traffic Collision on CA-242 Northbound at Olivera Rd (Concord). Lanes affected. Expect delays. Accident

CA-242 N Contra Costa 19 hours, 44 minutes ago Moderate

Caltrans : Roadwork on I-580 Westbound at Garrard Blvd (Richmond). Right shoulder closed until 2 PM. From 6:30 AM Monday, October 26, 2026 to 2:00 PM Thursday, October 29, 2026. Construction

I-580 W Contra Costa 20 hours, 29 minutes ago

CHP : Traffic Collision on I-80 Westbound east of El Portal Dr (San Pablo). Lane affected. Expect delays. Accident

I-80 W Contra Costa 21 hours, 59 minutes ago Moderate

CHP : Disabled vehicle on I-680 Northbound at Monument Blvd (Pleasant Hill). Right shoulder blocked. Expect delays. Accident

I-680 N Contra Costa 22 hours, 29 minutes ago Moderate