CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 5,842 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 44 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. 5, 2026.

Breakdown by type: 3,074 accident.

3,074

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

23

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 3,074 results

3074 accident

CHP : Traffic Hazard on CA-4 Westbound entering at Lone Tree Way Bypass (Antioch). Right lane affected. Expect delays.

Moderate Accident

CA-4 W 1 hour, 26 minutes ago

CHP : Traffic Hazard on I-80 Eastbound west of Central Ave (Richmond). Left lane affected. Expect delays.

Moderate Accident

I-80 E 1 hour, 41 minutes ago

CHP : Traffic Hazard on I-80 Eastbound west of Potrero Ave (El Cerrito). Lanes affected. Expect delays.

Moderate Accident

I-80 E 2 hours, 26 minutes ago

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

Moderate Accident

CA-24 E 2 hours, 41 minutes ago

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

Moderate Accident

CA-4 W 3 hours, 11 minutes ago

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

Moderate Accident

CA-4 E 3 hours, 11 minutes ago

CHP : Pothole on I-80 Westbound east of Appian Way (Pinole). Right lane affected. Expect delays.

Moderate Accident

I-80 W 3 hours, 26 minutes ago

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

Moderate Accident

I-80 E 3 hours, 41 minutes ago

CHP : Traffic Hazard on I-680 Northbound south of Bollinger Canyon Rd (San Ramon). Right lane affected. Expect delays.

Moderate Accident

I-680 N 4 hours, 11 minutes ago

CHP : Vehicle fire on CA-4 Eastbound west of Alhambra Ave (Martinez). Right shoulder affected. Expect delays.

Moderate Accident

CA-4 E 6 hours, 26 minutes ago

CHP : Traffic Hazard on CA-24 Eastbound ramp to I-680 N (Walnut Creek). Left lanes blocked. Expect delays.

Moderate Accident

CA-24 E 7 hours, 26 minutes ago

CHP : Residual delays on I-80 Westbound east of Cutting Blvd (El Cerrito). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 7 hours, 56 minutes ago

CHP : Traffic Hazard on I-80 Westbound west of Appian Way (Pinole). Lane affected. Expect delays.

Moderate Accident

I-80 W 8 hours, 11 minutes ago

CHP : Traffic Collision on CA-4 Westbound entering at Railroad Ave (Pittsburg). Lane affected. Expect delays.

Moderate Accident

CA-4 W 8 hours, 26 minutes ago

CHP : Fire on I-680 Southbound north of Olympic Blvd (Walnut Creek). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 11 hours, 41 minutes ago

CHP : Traffic Hazard on I-680 Southbound south of Sycamore Valley Rd (Danville). Right lane affected. Expect delays.

Moderate Accident

I-680 S 17 hours, 11 minutes ago

CHP : Disabled vehicle on I-680 Southbound north of CA-24 W (Walnut Creek). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 17 hours, 56 minutes ago

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

Moderate Accident

I-80 E 18 hours, 56 minutes ago

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

Moderate Accident

CA-24 E 19 hours, 26 minutes ago

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

Moderate Accident

CA-4 E 21 hours, 41 minutes ago

CHP : Pothole on I-80 Westbound west of Appian Way (Pinole). Right lane affected. Expect delays.

Moderate Accident

I-80 W 21 hours, 56 minutes ago

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

Moderate Accident

I-80 W 21 hours, 56 minutes ago

CHP : Traffic Hazard on CA-4 Eastbound at CA-242 N (Concord). Lane blocked. Expect delays.

Moderate Accident

CA-4 E 22 hours, 41 minutes ago

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

Moderate Accident

I-80 W 1 day, 1 hour ago

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

Moderate Accident

I-680 S 1 day, 2 hours ago

CHP : Traffic Collision on I-80 Westbound east of Cutting Blvd (El Cerrito). Right lane blocked. Expect delays.

Moderate Accident

I-80 W 1 day, 5 hours ago

CHP : Brush fire on I-80 Westbound east of Cutting Blvd (El Cerrito). Right shoulder affected. Expect delays.

Moderate Accident

I-80 W 1 day, 5 hours ago

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

Moderate Accident

CA-24 W 1 day, 6 hours ago

CHP : Traffic Hazard on CA-4 Eastbound west of CA-242 S (Concord). Right lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 7 hours ago

CHP : Traffic Hazard on CA-24 Westbound east of Acalanes Rd (Lafayette). Left lanes blocked. Expect delays.

Moderate Accident

CA-24 W 1 day, 7 hours ago

CHP : Traffic Hazard on I-680 Northbound south of Sycamore Valley Rd (Danville). Center lanes blocked. Expect delays.

Moderate Accident

I-680 N 1 day, 7 hours ago

CHP : Traffic Collision with Injuries on CA-4 Westbound at Cummings Skwy (Port Costa). Right lane blocked. Expect delays.

Moderate Accident

CA-4 W 1 day, 9 hours ago

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

Moderate Accident

I-580 E 1 day, 17 hours ago

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

Moderate Accident

CA-4 E 1 day, 17 hours ago

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

Moderate Accident

I-580 W 1 day, 18 hours ago

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

Moderate Accident

I-80 E 1 day, 19 hours ago

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

Moderate Accident

CA-4 E 1 day, 19 hours 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 1 day, 19 hours ago

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

Moderate Accident

I-80 E 1 day, 21 hours 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 1 day, 21 hours ago

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

Moderate Accident

I-580 W 1 day, 21 hours 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 1 day, 22 hours ago

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

Moderate Accident

CA-4 E 1 day, 23 hours 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 2 days, 1 hour 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 2 days, 1 hour ago

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

Moderate Accident

I-680 S 2 days, 4 hours ago

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

Moderate Accident

CA-4 E 2 days, 5 hours 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 2 days, 7 hours ago

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

Moderate Accident

I-80 E 2 days, 8 hours ago

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

Moderate Accident

I-580 W 2 days, 14 hours ago