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Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 5,609 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 26 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. 30, 2026.

Breakdown by type: 1,180 accident.

1,180

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

5

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 1,180 results

1180 accident

CHP : Disabled truck on CA-4 Eastbound exiting at Somersville Rd (Antioch). Right lane blocked. Expect delays.

Moderate Accident

CA-4 E 27 minutes ago

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

Moderate Accident

CA-24 W 42 minutes ago

CHP : Traffic Hazard on I-680 Southbound north of Chilpancingo Pky (Pleasant Hill). Left lane blocked. Expect delays.

Moderate Accident

I-680 S 42 minutes ago

CHP : Disabled vehicle on I-680 Northbound south of Livorna Rd (Alamo). Lane affected. Expect delays.

Moderate Accident

I-680 N 10 hours, 57 minutes ago

CHP : Traffic Collision on CA-4 Westbound at Morello Ave (Martinez). Right lane blocked. Expect delays.

Moderate Accident

CA-4 W 14 hours, 12 minutes ago

CHP : Residual delays on I-680 Northbound south of Arthur Rd (Martinez). Right shoulder affected. Expect delays.

Moderate Accident

I-680 N 23 hours, 57 minutes ago

CHP : Fire on I-80 Westbound exiting at Cutting Blvd (El Cerrito). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 1 day ago

CHP : Traffic Collision on I-580 Westbound east of Harbour Way S (Richmond). Lane affected. Expect delays.

Moderate Accident

I-580 W 1 day ago

CHP : Traffic Hazard on I-80 Eastbound west of Willow Ave (Hercules). 3rd lane from the left blocked. Expect delays.

Moderate Accident

I-80 E 1 day ago

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

Moderate Accident

I-680 S 1 day, 1 hour ago

CHP : Disabled vehicle on CA-4 Eastbound at G St (Antioch). Lane blocked. Expect delays.

Moderate Accident

CA-4 E 1 day, 10 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of Lone Tree Way (Antioch). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 14 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Sycamore Valley Rd (Danville). Left lane blocked. Expect delays.

Moderate Accident

I-680 S 1 day, 15 hours ago

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). 2nd lane from the left affected. Expect delays.

Moderate Accident

I-680 N 1 day, 15 hours ago

CHP : Traffic Collision on I-680 Southbound exiting at Livorna Rd (Alamo). Lane affected. Expect delays.

Moderate Accident

I-680 S 1 day, 19 hours ago

CHP : Traffic Collision on I-680 Southbound south of Livorna Rd (Alamo). 2nd lane from the left blocked. Expect delays.

Moderate Accident

I-680 S 1 day, 19 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Olympic Blvd (Walnut Creek). Right lane blocked. Expect delays.

Moderate Accident

I-680 S 1 day, 19 hours ago

CHP : Traffic Hazard on I-680 Northbound south of N Main St (Walnut Creek). Lane blocked. Expect delays.

Moderate Accident

I-680 N 1 day, 19 hours ago

CHP : Traffic Collision with Injuries on I-680 Northbound south of Stone Valley Rd (Alamo). Left lanes blocked. Expect delays.

Moderate Accident

I-680 N 1 day, 21 hours ago

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

Moderate Accident

CA-4 E 1 day, 23 hours ago

CHP : Brush fire on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right shoulder affected. Expect delays.

Moderate Accident

CA-4 E 2 days ago

CHP : Disabled vehicle on I-80 Westbound north of Pinole Valley Rd (Pinole). 2nd lane from the left affected. Expect delays.

Moderate Accident

I-80 W 2 days ago

CHP : Disabled vehicle on I-80 Westbound east of Pinole Valley Rd (Pinole). Center lane blocked. Expect delays.

Moderate Accident

I-80 W 2 days ago

CHP : Residual delays on I-80 Westbound east of Willow Ave (Hercules). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 2 days ago

CHP : Disabled vehicle on I-680 Southbound north of Olympic Blvd (Walnut Creek). Center lane blocked. Expect delays.

Moderate Accident

I-680 S 2 days, 1 hour ago

CHP : Disabled vehicle on CA-24 Westbound west of Happy Valley Rd (Lafayette). 2nd lane from the left blocked. Expect delays.

Moderate Accident

CA-24 W 2 days, 1 hour ago

CHP : Traffic Hazard on I-680 Southbound north of Oak Park Blvd (Pleasant Hill). Left shoulder affected. Expect delays.

Moderate Accident

I-680 S 2 days, 1 hour ago

CHP : Residual delays on I-80 Westbound east of Carlson Blvd (Richmond). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 2 days, 2 hours ago

CHP : Disabled vehicle on CA-24 E-I-680 S Ramp Southbound at CA-24 E (Walnut Creek). Lane affected. Expect delays.

Moderate Accident

CA-24 E-I-680 S Ramp 2 days, 5 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of Railroad Ave (Pittsburg). HOV affected. Expect delays.

Moderate Accident

CA-4 E 2 days, 7 hours ago

CHP : Traffic Collision on I-680 Southbound at Rudgear Rd (Walnut Creek). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 2 days, 10 hours ago

CHP : Traffic Collision on CA-4 Eastbound west of Port Chicago Hwy (Concord). 2nd lane from the left blocked. Expect delays.

Moderate Accident

CA-4 E 2 days, 15 hours ago

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

Moderate Accident

CA-24 E 2 days, 15 hours ago

CHP : Traffic Hazard on I-680 Southbound exiting at Chilpancingo Pky (Pleasant Hill). Left lane blocked. Expect delays.

Moderate Accident

I-680 S 2 days, 16 hours ago

CHP : Traffic Hazard on I-680 Southbound south of Livorna Rd (Alamo). 3rd lane from the left affected. Expect delays.

Moderate Accident

I-680 S 2 days, 16 hours ago

CHP : Disabled vehicle on CA-4 Eastbound at Walnut Blvd (Brentwood). Lane affected. Expect delays.

Moderate Accident

CA-4 E 2 days, 16 hours ago

CHP : Traffic Hazard on I-580 Eastbound west of Bayview Ave (Richmond). Right lane blocked. Expect delays.

Moderate Accident

I-580 E 2 days, 17 hours ago

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

Moderate Accident

I-680 S 2 days, 18 hours ago

CHP : Traffic Hazard on I-680 Northbound south of Newell Ave (Walnut Creek). Left and center lanes affected. Expect delays.

Moderate Accident

I-680 N 2 days, 19 hours ago

CHP : Traffic Hazard on CA-242 Northbound exiting at Grant St (Concord). Center lanes affected. Expect delays.

Moderate Accident

CA-242 N 2 days, 20 hours ago

CHP : Traffic Collision on I-680 Southbound north of Alcosta Blvd (San Ramon). Left lane blocked. Expect delays.

Moderate Accident

I-680 S 2 days, 23 hours ago

CHP : Traffic Hazard on CA-4 Westbound west of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays.

Moderate Accident

CA-4 W 3 days ago

CHP : Traffic Hazard on I-580 Eastbound west of Garrard Blvd (Richmond). 2nd lane from the left affected. Expect delays.

Moderate Accident

I-580 E 3 days ago

CHP : Residual delays on I-680 Southbound entering at Monument Blvd (Pleasant Hill). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 3 days ago

CHP : Traffic Hazard on CA-4 Westbound north of Byron Hwy (Brentwood). Lane affected. Expect delays.

Moderate Accident

CA-4 W 3 days ago

CHP : Traffic Hazard on I-680 Southbound north of Willow Pass Rd (Concord). 2nd lane from the left affected. Expect delays.

Moderate Accident

I-680 S 3 days, 1 hour ago

CHP : Residual delays on I-680 Southbound north of Willow Pass Rd (Concord). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 3 days, 1 hour ago

CHP : Traffic Collision on I-580 Westbound at S 23RD St (Richmond). Left and center lanes blocked. Expect delays.

Moderate Accident

I-580 W 3 days, 1 hour ago

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

Moderate Accident

I-80 E 3 days, 2 hours ago

CHP : Traffic Collision with Injuries on CA-24 Westbound east of Acalanes Rd (Lafayette). Lane affected. Expect delays.

Moderate Accident

CA-24 W 3 days, 2 hours ago