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Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 5,787 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 30 new crashes were reported. Crash volume is highest on CA-4 W and CA-4 E.

Data is sourced from the California Crash Records System (CCRS), maintained by the California Highway Patrol and updated daily, and the CA 511 live incident feed, refreshed every 15 minutes. CCRS records include party details, injury severity, vehicle information, and precise geographic coordinates. Last updated Nov. 4, 2026.

Breakdown by type: 507 accident, 300 construction, 1 closure.

808

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

17

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 500 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 808 results

507 accident 300 construction 1 closure

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 Tuesday, November 03, 2026 to 5:00 AM Wednesday, November 04, 2026.

I-680 S 1 minute ago Live

Caltrans : Roadwork on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp closed until 5 AM. From 9:00 PM Tuesday, November 03, 2026 to 5:00 AM Wednesday, November 04, 2026.

I-680 S 1 minute ago Live

Caltrans : Roadwork on I-680 Southbound entering at Diablo Rd (Danville). On Ramp closed until 5 AM. From 8:00 PM Tuesday, November 03, 2026 to 5:00 AM Wednesday, November 04, 2026.

I-680 S 1 minute ago Live

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 5 AM. From 9:00 PM Tuesday, November 03, 2026 to 5:00 AM Wednesday, November 04, 2026.

I-680 S 1 minute ago Live

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 Tuesday, November 03, 2026 to 5:00 AM Wednesday, November 04, 2026.

I-680 S 1 minute ago Live

CHP : Disabled vehicle on I-580 Eastbound west of Central Ave (Richmond). Right shoulder affected. Expect delays.

Moderate Accident

I-580 E 6 hours, 46 minutes ago

CHP : Traffic Collision on CA-4 Eastbound east of Cummings Skwy (Port Costa). Right lane blocked. Expect delays.

Moderate Accident

CA-4 E 7 hours, 31 minutes ago

CHP : Traffic Hazard on I-580 Westbound east of Central Ave (Richmond). Right lane blocked. Expect delays.

Moderate Accident

I-580 W 7 hours, 46 minutes ago

CHP : Severe traffic alert and Traffic Collision with Injuries and Overturned vehicle on CA-24 Westbound west of Wilder Road (Orinda). Left lanes blocked. Expect delays.

CA-24 W 8 hours, 16 minutes ago

CHP : Traffic Collision on I-80 Eastbound exiting at Potrero Ave (El Cerrito). Lane affected. Expect delays.

Moderate Accident

I-80 E 8 hours, 46 minutes ago

CHP : Traffic Hazard on CA-4 Eastbound west of Bailey Rd (Pittsburg). Lane affected. Expect delays.

Moderate Accident

CA-4 E 9 hours, 1 minute ago

CHP : Traffic Hazard on I-80 Westbound east of San Pablo Dam Rd (San Pablo). Lane affected. Expect delays.

Moderate Accident

I-80 W 9 hours, 31 minutes ago

CHP : Traffic Collision on I-680 Northbound north of El Cerro Blvd (Danville). 2nd lane from the left blocked. Expect delays.

Moderate Accident

I-680 N 11 hours, 1 minute ago

CHP : Traffic Hazard on I-80 Eastbound west of Willow Ave (Hercules). Left lane blocked. Expect delays.

Moderate Accident

I-80 E 11 hours, 1 minute ago

CHP : Fire on I-580 Westbound east of S 23RD St (Richmond). Right shoulder affected. Expect delays.

Moderate Accident

I-580 W 11 hours, 31 minutes ago

CHP : Disabled vehicle on CA-4 Eastbound west of Port Chicago Hwy (Concord). 3rd lane from the left blocked. Expect delays.

Moderate Accident

CA-4 E 12 hours, 1 minute ago

CHP : Traffic Hazard on I-680 Northbound north of Benicia Bridge - Toll Plaza (Martinez). Right lane blocked. Expect delays.

I-680 N 13 hours, 1 minute ago

CHP : Traffic Collision on CA-4 Eastbound at CA-242 S (Concord). Lane affected. Expect delays.

Moderate Accident

CA-4 E 13 hours, 31 minutes ago

CHP : Traffic Collision with Injuries on CA-24 E-I-680 S Ramp Eastbound ramp to I-680 S (Walnut Creek). Left lane blocked. Expect delays.

Moderate Accident

CA-24 E-I-680 S Ramp 14 hours, 46 minutes ago

CHP : Traffic Hazard on I-680 Southbound north of CA-4 W (Martinez). 2nd lane from the left affected. Expect delays.

Moderate Accident

I-680 S 15 hours, 1 minute ago

CHP : Traffic Hazard on I-80 Westbound exiting at Solano Ave (Richmond). Off Ramp affected. Expect delays.

I-80 W 15 hours, 16 minutes ago

Caltrans : Roadwork on I-680 Southbound exiting at CA-242 S (Concord). Off Ramp closed until 2 PM. From 9:00 AM Tuesday, November 03, 2026 to 2:00 PM Tuesday, November 03, 2026.

I-680 S 15 hours, 16 minutes ago

Caltrans : Roadwork on CA-4 Westbound between Pacheco Blvd (Pacheco) and Morello Ave (Martinez). Lane closed until 2-30 PM. From 9:00 AM Tuesday, November 03, 2026 to 2:30 PM Tuesday, November 03, 2026.

CA-4 W 15 hours, 46 minutes ago

CHP : Traffic Collision on CA-4 Westbound exiting at Somersville Rd (Antioch). Off Ramp affected. Expect delays.

CA-4 W 17 hours, 16 minutes ago

CHP : Fire on I-680 Southbound north of Chilpancingo Pky (Pleasant Hill). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 17 hours, 46 minutes ago

CHP : Traffic Hazard on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right lane blocked. Expect delays.

Moderate Accident

CA-4 E 18 hours, 46 minutes ago

CHP : Traffic Collision on CA-4 Westbound entering at Balfour Rd (Antioch). On Ramp affected. Expect delays.

CA-4 W 19 hours, 46 minutes ago

CHP : Traffic Hazard on I-680 Northbound south of Crow Canyon Rd (San Ramon). Right and center lanes affected. Expect delays.

Moderate Accident

I-680 N 20 hours, 46 minutes ago

CHP : Traffic Collision on I-80 Eastbound west of Fitzgerald Dr (Pinole). Left lanes blocked. Expect delays.

Moderate Accident

I-80 E 22 hours, 16 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, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

CA-4 E 1 day 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, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

CA-4 W 1 day ago

Caltrans : Roadwork on I-80 Westbound between Richmond Pky (Pinole) and Hilltop Dr (San Pablo). Various lanes closed until 4 AM. From 9:00 PM Monday, November 02, 2026 to 4:00 AM Tuesday, November 03, 2026.

I-80 W 1 day, 1 hour ago

Caltrans : Roadwork on I-80 Eastbound entering at Cutting Blvd (El Cerrito). On Ramp closed until 5 AM. From 10:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-80 E 1 day, 1 hour ago

Caltrans : Roadwork on I-80 Eastbound entering at Cutting Blvd (El Cerrito). On Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-80 E 1 day, 1 hour ago

Caltrans : Roadwork on I-80 Eastbound between Fitzgerald Dr (Pinole) and Appian Way (Pinole). Various lanes closed until 5 AM. From 10:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-80 E 1 day, 1 hour ago

Caltrans : Roadwork on I-80 Eastbound between Barrett Ave (Richmond) and Fitzgerald Dr (Pinole). Various lanes closed until 5 AM. From 10:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-80 E 1 day, 1 hour ago

Caltrans : Roadwork on I-80 Eastbound between Macdonald Ave (Richmond) and Barrett Ave (Richmond). Various lanes closed until 5 AM. From 10:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-80 E 1 day, 1 hour ago

CHP : Fire on I-580 Westbound at Erlandson St (Richmond). Lane affected. Expect delays.

Moderate Accident

I-580 W 1 day, 4 hours ago

Caltrans : Bridge work on I-580 Westbound between Harbour Way S (Richmond) and Garrard Blvd (Richmond). Various lanes closed until 6 AM. From 10:00 PM Monday, November 02, 2026 to 6:00 AM Tuesday, November 03, 2026.

I-580 W 1 day, 6 hours ago

Caltrans : Roadwork on I-680 Southbound exiting at Sycamore Valley Rd (Danville). Off Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-680 S 1 day, 7 hours ago

Caltrans : Roadwork on I-680 Southbound entering at Diablo Rd (Danville). On Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-680 S 1 day, 7 hours ago

Caltrans : Roadwork on I-680 Southbound exiting at Alcosta Blvd (San Ramon). Off Ramp closed until 5 AM. From 9:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

I-680 S 1 day, 7 hours ago

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 4 AM. From 9:00 PM Monday, November 02, 2026 to 4:00 AM Tuesday, November 03, 2026.

I-680 S 1 day, 7 hours ago

CHP : Disabled vehicle on I-580 Eastbound west of Richmond San Rafael Bridge (Richmond). Right lane blocked. Expect delays.

I-580 E 1 day, 8 hours ago

Caltrans : Roadwork on CA-4 Eastbound at Bixler Rd (Discovery Bay). All lanes closed until 5 AM. From 7:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

CA-4 E 1 day, 8 hours ago

Caltrans : Roadwork on CA-4 Eastbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

CA-4 E 1 day, 8 hours ago

Caltrans : Roadwork on CA-4 Eastbound at Sand Creek Rd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

CA-4 E 1 day, 8 hours ago

CHP : Traffic Collision on CA-4 Westbound west of Hillcrest Ave (Antioch). Lane affected. Expect delays.

Moderate Accident

CA-4 W 1 day, 9 hours ago

CHP : Traffic Hazard on CA-4 Eastbound entering at Bailey Rd (Pittsburg). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 10 hours ago

CHP : Traffic Collision on I-580 Westbound east of Western Dr (Richmond). Left lane blocked. Expect delays.

I-580 W 1 day, 10 hours ago