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Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 5,499 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 40 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 Oct. 27, 2026.

Breakdown by type: 2,893 accident.

2,893

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

6

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 2,893 results

2893 accident

CHP : Traffic Collision on CA-242 Southbound south of Concord Ave (Concord). Left lane blocked. Expect delays.

Moderate Accident

CA-242 S 1 minute ago Live

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

Moderate Accident

CA-24 E 3 hours, 31 minutes ago

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

Moderate Accident

CA-4 W 9 hours, 31 minutes ago

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

Moderate Accident

I-680 S 11 hours, 31 minutes ago

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

Moderate Accident

I-680 N 12 hours, 16 minutes ago

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

Moderate Accident

I-680 N 12 hours, 16 minutes ago

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

Moderate Accident

CA-4 E 14 hours, 16 minutes ago

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

Moderate Accident

I-680 N 14 hours, 31 minutes ago

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

Moderate Accident

I-680 S 14 hours, 46 minutes ago

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

Moderate Accident

I-680 S 15 hours, 46 minutes ago

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

Moderate Accident

I-680 N 16 hours, 1 minute ago

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

Moderate Accident

I-580 W 16 hours, 16 minutes ago

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

Moderate Accident

CA-4 E 18 hours, 16 minutes ago

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

Moderate Accident

CA-242 N 20 hours, 16 minutes ago

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

Moderate Accident

I-80 W 22 hours, 31 minutes ago

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

Moderate Accident

I-680 N 23 hours, 1 minute ago

CHP : Disabled vehicle on CA-4 Eastbound at Railroad Ave (Pittsburg). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 5 hours ago

CHP : Fire on I-80 Eastbound at Solano Ave (Richmond). Lane affected. Expect delays.

Moderate Accident

I-80 E 1 day, 6 hours ago

CHP : Traffic Collision on I-80 Eastbound at Appian Way (Pinole). Right shoulder affected. Expect delays.

Moderate Accident

I-80 E 1 day, 6 hours ago

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

Moderate Accident

CA-4 W 1 day, 10 hours ago

CHP : Disabled vehicle on I-580 Eastbound at Western Dr (Richmond). Lane affected. Expect delays.

Moderate Accident

I-580 E 1 day, 10 hours ago

CHP : Disabled vehicle on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 11 hours ago

CHP : Vehicle fire on I-680 Northbound south of Arthur Rd (Martinez). Lane blocked. Expect delays.

Moderate Accident

I-680 N 1 day, 11 hours ago

CHP : Disabled vehicle on CA-4 Eastbound at Hillcrest Ave (Antioch). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 15 hours ago

CHP : Traffic Hazard on I-680 Southbound entering at Alcosta Blvd (San Ramon). Left lanes affected. Expect delays.

Moderate Accident

I-680 S 1 day, 16 hours ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of CA-160 (Antioch). Right lane blocked. Expect delays.

Moderate Accident

CA-4 E 1 day, 17 hours ago

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

Moderate Accident

CA-24 E 2 days, 8 hours ago

CHP : Traffic Collision with Injuries on I-680 Southbound south of Bollinger Canyon Rd (San Ramon). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 2 days, 9 hours ago

CHP : Traffic Hazard on I-80 Westbound east of Central Ave (Richmond). Lane affected. Expect delays.

Moderate Accident

I-80 W 2 days, 9 hours ago

CHP : Traffic Collision on I-80 Eastbound west of San Pablo Dam Rd (San Pablo). Right lanes blocked. Expect delays.

Moderate Accident

I-80 E 2 days, 9 hours ago

CHP : Residual delays on I-680 Southbound north of Alcosta Blvd (San Ramon). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 2 days, 11 hours ago

CHP : Disabled vehicle on I-580 Westbound east of Garrard Blvd (Richmond). Lane blocked. Expect delays.

Moderate Accident

I-580 W 2 days, 12 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Alcosta Blvd (San Ramon). Right lanes blocked. Expect delays.

Moderate Accident

I-680 S 2 days, 12 hours ago

CHP : Traffic Collision on CA-4 Eastbound west of Bixler Rd (Discovery Bay). Right shoulder blocked. Expect delays.

Moderate Accident

CA-4 E 2 days, 13 hours ago

CHP : Traffic Hazard on CA-24 Westbound west of ST Stephens Dr (Orinda). Right lanes affected. Expect delays.

Moderate Accident

CA-24 W 2 days, 16 hours ago

CHP : Traffic Hazard on CA-4 Westbound east of I-680 N (Martinez). 3rd lane from the left blocked. Expect delays.

Moderate Accident

CA-4 W 2 days, 17 hours ago

CHP : Traffic Collision on I-580 Westbound east of Garrard Blvd (Richmond). Right lanes blocked. Expect delays.

Moderate Accident

I-580 W 2 days, 17 hours ago

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Right lane affected. Expect delays.

Moderate Accident

CA-4 W 2 days, 21 hours ago

CHP : Traffic Hazard on CA-24 Westbound east of Wilder Road (Orinda). Lane affected. Expect delays.

Moderate Accident

CA-24 W 3 days, 8 hours ago

CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). Lane affected. Expect delays.

Moderate Accident

I-680 S 3 days, 12 hours ago

CHP : Traffic Hazard on CA-4 Westbound east of A St (Antioch). Center lane blocked. Expect delays.

Moderate Accident

CA-4 W 3 days, 12 hours ago

CHP : Traffic Hazard on I-580 Westbound east of Bayview Ave (Richmond). Left and center lanes blocked. Expect delays.

Moderate Accident

I-580 W 3 days, 12 hours ago

CHP : Traffic Hazard on I-680 Northbound south of Sycamore Valley Rd (Danville). 3rd lane from the left affected. Expect delays.

Moderate Accident

I-680 N 3 days, 12 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of Laurel Rd (Antioch). Left lane affected. Expect delays.

Moderate Accident

CA-4 E 3 days, 13 hours ago

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

Moderate Accident

CA-4 E 3 days, 13 hours ago

CHP : Disabled vehicle on I-80 Eastbound west of Macdonald Ave (Richmond). 2nd lane from the left blocked. Expect delays.

Moderate Accident

I-80 E 3 days, 13 hours ago

CHP : Traffic Hazard on I-680 Northbound at Stone Valley Rd (Alamo). Lane affected. Expect delays.

Moderate Accident

I-680 N 3 days, 14 hours ago

CHP : Traffic Hazard on I-680 Northbound north of Treat Blvd (Walnut Creek). Right lane affected. Expect delays.

Moderate Accident

I-680 N 3 days, 17 hours ago

CHP : Fire on I-80 Westbound east of Solano Ave (Richmond). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 3 days, 17 hours ago

CHP : Traffic Hazard on I-80 Eastbound west of San Pablo Dam Rd (San Pablo). Right lane affected. Expect delays.

Moderate Accident

I-80 E 3 days, 17 hours ago