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Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 3,246 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 29 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 Aug. 1, 2026.

Breakdown by type: 128 accident, 71 construction.

199

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

17

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 199 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 199 results

128 accident 71 construction

Caltrans : Bridge work on I-80 Eastbound at Hilltop Dr (San Pablo). Right lane and shoulder closed until 7 AM. From 7:00 PM Friday, July 31, 2026 to 7:00 AM Saturday, August 01, 2026.

I-80 E 10 minutes ago Live

Caltrans : Roadwork on CA-24 Eastbound between Acalanes Rd (Lafayette) and Happy Valley Rd (Lafayette). Various lanes closed until 7 AM. From 9:00 PM Friday, July 31, 2026 to 7:00 AM Saturday, August 01, 2026.

CA-24 E 10 minutes ago Live

Caltrans : Roadwork on I-80 Eastbound between CA-4 E (Hercules) and San Pablo Ave (Crockett). Various lanes closed until 5 AM. From 9:00 PM Friday, July 31, 2026 to 5:00 AM Saturday, August 01, 2026.

I-80 E 55 minutes ago

Caltrans : Roadwork on I-80 Westbound entering at Appian Way (Pinole). On Ramp closed until 7 AM. From 9:00 PM Friday, July 31, 2026 to 7:00 AM Saturday, August 01, 2026.

I-80 W 1 hour, 10 minutes ago

CHP : Disabled vehicle on CA-24 Eastbound at Caldecott Tunnel Split (Orinda). Lane blocked. Expect delays.

Moderate Accident

CA-24 E 1 hour, 25 minutes ago

Caltrans : Roadwork on I-80 Eastbound entering at Hilltop Dr (San Pablo). On Ramp closed until 5 AM. From 7:00 PM Friday, July 31, 2026 to 5:00 AM Saturday, August 01, 2026.

I-80 E 3 hours, 40 minutes ago

CHP : Traffic Collision on I-80 Westbound east of Appian Way (Pinole). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 3 hours, 40 minutes ago

Caltrans : Roadwork on I-580 Westbound between Bayview Ave (Richmond) and Garrard Blvd (Richmond). Various lanes closed until 6 AM. From 7:00 PM Friday, July 31, 2026 to 6:00 AM Saturday, August 01, 2026.

I-580 W 4 hours, 10 minutes ago

Caltrans : Roadwork on I-580 Westbound between Western Dr (Richmond) and Richmond San Rafael Bridge - Toll Plaza (Richmond). Various lanes closed until 6 AM. From 7:00 PM Friday, July 31, 2026 to 6:00 AM Saturday, August 01, 2026.

I-580 W 4 hours, 40 minutes ago

Caltrans : Roadwork on I-680 Southbound between Bollinger Canyon Rd (San Ramon) and Alcosta Blvd (San Ramon). Various lanes closed until 8 AM. From 8:00 PM Friday, July 31, 2026 to 8:00 AM Saturday, August 01, 2026.

I-680 S 4 hours, 55 minutes ago

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Center Divider affected. Expect delays.

CA-4 W 5 hours, 55 minutes ago

CHP : Traffic Hazard on I-680 Southbound north of Willow Pass Rd (Concord). Lane affected. Expect delays.

Moderate Accident

I-680 S 5 hours, 55 minutes ago

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

Moderate Accident

CA-4 E 6 hours, 25 minutes ago

CHP : Traffic Collision with Injuries on I-680 Southbound exiting at Marina Vista Ave (Martinez). Off Ramp blocked. Expect delays.

I-680 S 6 hours, 40 minutes ago

CHP : Disabled vehicle on I-80 Westbound east of Solano Ave (Richmond). Right lane blocked. Expect delays.

Moderate Accident

I-80 W 6 hours, 40 minutes ago

CHP : Traffic Hazard on CA-24 Westbound west of Acalanes Rd (Lafayette). 4th lane from the left affected. Expect delays.

Moderate Accident

CA-24 W 7 hours, 10 minutes ago

CHP : Traffic Hazard on CA-4 Eastbound east of Willow Pass Rd (Pittsburg). Lane affected. Expect delays.

Moderate Accident

CA-4 E 7 hours, 40 minutes ago

CHP : Traffic Hazard on CA-24 Eastbound west of Acalanes Rd (Lafayette). Center lanes affected. Expect delays.

Moderate Accident

CA-24 E 16 hours, 10 minutes ago

CHP : Fire on CA-4 Eastbound east of Alhambra Ave (Martinez). 2nd lane from the left blocked. Expect delays.

Moderate Accident

CA-4 E 16 hours, 55 minutes ago

CHP : Residual delays on CA-4 Eastbound between Cummings Skwy (Port Costa) and Center Ave (Martinez). All lanes open. Expect delays.

CA-4 E 17 hours, 10 minutes ago

CHP : Traffic Hazard on CA-24 Eastbound at Caldecott Tunnel Split (Orinda). Left lane blocked. Expect delays.

Moderate Accident

CA-24 E 17 hours, 25 minutes ago

CHP : Traffic Hazard on I-580 Westbound at Richmond San Rafael Bridge - Toll Plaza (Richmond). 3rd lane from the left blocked. Expect delays.

I-580 W 18 hours, 40 minutes ago

Caltrans : Roadwork on CA-24 Eastbound between Acalanes Rd (Lafayette) and Happy Valley Rd (Lafayette). Various lanes closed until 7 AM. From 9:00 PM Thursday, July 30, 2026 to 7:00 AM Friday, July 31, 2026.

CA-24 E 19 hours, 10 minutes ago

CHP : Traffic Hazard on I-80 Westbound east of Hilltop Dr (San Pablo). HOV affected. Expect delays.

Moderate Accident

I-80 W 19 hours, 55 minutes ago

CHP : Residual delays on I-80 Westbound west of Pinole Valley Rd (Pinole). Center Divider affected. Expect delays.

I-80 W 20 hours, 10 minutes ago

Caltrans : Roadwork on CA-4 Westbound between Laurel Rd (Antioch) and CA-160 (Antioch). Right lane and shoulder closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

CA-4 W 20 hours, 55 minutes ago

Caltrans : Roadwork on CA-4 Westbound entering at Hillcrest Ave (Antioch). On Ramp closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

CA-4 W 20 hours, 55 minutes ago

Caltrans : Roadwork on CA-4 Westbound exiting at Hillcrest Ave (Antioch). Off Ramp closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

CA-4 W 20 hours, 55 minutes ago

Caltrans : Roadwork on CA-4 Westbound between CA-160 (Antioch) and Hillcrest Ave (Antioch). Various lanes closed until 5 AM. From 7:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

CA-4 W 20 hours, 55 minutes ago

Caltrans : Roadwork on I-580 Westbound between Bayview Ave (Richmond) and Garrard Blvd (Richmond). Various lanes closed until 6 AM. From 7:00 PM Thursday, July 30, 2026 to 6:00 AM Friday, July 31, 2026.

I-580 W 21 hours, 10 minutes ago

Caltrans : Roadwork on I-680 Southbound between Chilpancingo Pky (Pleasant Hill) and CA-242 S (Concord). Various lanes closed until 5 AM. From 8:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

I-680 S 21 hours, 10 minutes ago

Caltrans : Emergency construction on I-680 Southbound exiting at CA-242 S (Concord). Off Ramp closed until 7 AM. From 10:00 PM Thursday, July 30, 2026 to 7:00 AM Friday, July 31, 2026.

I-680 S 23 hours, 55 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Willow Pass Rd (Concord). On Ramp closed until 6 AM. From 11:00 PM Thursday, July 30, 2026 to 6:00 AM Friday, July 31, 2026.

I-680 S 23 hours, 55 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 6 AM. From 9:00 PM Thursday, July 30, 2026 to 6:00 AM Friday, July 31, 2026.

I-680 S 23 hours, 55 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 6 AM. From 10:00 PM Thursday, July 30, 2026 to 6:00 AM Friday, July 31, 2026.

I-680 S 23 hours, 55 minutes ago

Caltrans : Roadwork on I-680 Southbound entering at Willow Pass Rd (Concord). On Ramp closed until 7 AM. From 10:00 PM Thursday, July 30, 2026 to 7:00 AM Friday, July 31, 2026.

I-680 S 23 hours, 55 minutes ago

Caltrans : Roadwork on I-580 Westbound between Western Dr (Richmond) and Richmond San Rafael Bridge - Toll Plaza (Richmond). Various lanes closed until 6 AM. From 7:00 PM Thursday, July 30, 2026 to 6:00 AM Friday, July 31, 2026.

I-580 W 1 day, 1 hour ago

Caltrans : Roadwork on I-80 Eastbound between CA-4 E (Hercules) and San Pablo Ave (Crockett). Various lanes closed until 5 AM. From 9:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

I-80 E 1 day, 2 hours ago

Caltrans : Roadwork on I-80 Westbound entering at Appian Way (Pinole). On Ramp closed until 5 AM. From 9:00 PM Thursday, July 30, 2026 to 5:00 AM Friday, July 31, 2026.

I-80 W 1 day, 2 hours ago

CHP : Disabled vehicle on I-80 Eastbound west of San Pablo Dam Rd (San Pablo). Left lane blocked. Expect delays.

Moderate Accident

I-80 E 1 day, 3 hours ago

CHP : Traffic Hazard on I-80 Westbound east of Carlson Blvd (Richmond). Left lane affected. Expect delays.

Moderate Accident

I-80 W 1 day, 5 hours ago

CHP : Traffic Hazard on CA-242 Southbound north of Clayton Rd (Concord). Lanes affected. Expect delays.

Moderate Accident

CA-242 S 1 day, 6 hours ago

CHP : Traffic Hazard on CA-24 Westbound west of Acalanes Rd (Lafayette). 3rd lane from the left affected. Expect delays.

Moderate Accident

CA-24 W 1 day, 6 hours ago

CHP : Traffic Collision on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lanes blocked. Expect delays.

Moderate Accident

CA-4 E 1 day, 6 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Oak Park Blvd (Pleasant Hill). Right lane blocked. Expect delays.

Moderate Accident

I-680 S 1 day, 6 hours ago

CHP : Traffic Collision and Debris on CA-4 Eastbound east of Cummings Skwy (Port Costa). Left lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 18 hours ago

CHP : Traffic Hazard on CA-24 Eastbound at Caldecott Tunnel Split (Orinda). 2nd lane from the left affected. Expect delays.

Moderate Accident

CA-24 E 1 day, 18 hours ago

CHP : Traffic Collision on I-580 Westbound east of Richmond San Rafael Bridge - Toll Plaza (Richmond). Left lane blocked. Expect delays.

I-580 W 1 day, 18 hours ago

Caltrans : Roadwork on I-680 Southbound exiting at Livorna Rd (Alamo). Off Ramp closed until 7 AM. From 8:00 PM Wednesday, July 29, 2026 to 7:00 AM Thursday, July 30, 2026.

I-680 S 1 day, 20 hours ago

Caltrans : Roadwork on I-680 Southbound between Rudgear Rd (Walnut Creek) and Stone Valley Rd (Alamo). Various lanes closed until 5 AM. From 8:00 PM Wednesday, July 29, 2026 to 5:00 AM Thursday, July 30, 2026.

I-680 S 1 day, 20 hours ago