CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 3,300 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 31 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. 2, 2026.

Breakdown by type: 95 accident.

95

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

2

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 95 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 95 results

95 accident

CHP : Brush fire on CA-242 Northbound south of Clayton Rd (Concord). Right shoulder affected. Expect delays.

Moderate Accident

CA-242 N 5 minutes ago Live

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

Moderate Accident

CA-24 W 5 minutes ago Live

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-4 Westbound east of Laurel Rd (Antioch). Right shoulder affected. Expect delays.

Moderate Accident

CA-4 W 35 minutes ago

CHP : Vehicle fire on CA-24 Westbound west of I-680 N (Walnut Creek). Right shoulder affected. Expect delays.

Moderate Accident

CA-24 W 2 hours, 50 minutes ago

CHP : Brush fire on CA-24 Westbound east of Acalanes Rd (Lafayette). Lane affected. Expect delays.

Moderate Accident

CA-24 W 3 hours, 20 minutes ago

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

Moderate Accident

I-580 E 4 hours, 35 minutes ago

CHP : Traffic Hazard on I-80 Eastbound west of Cummings Skwy (Crockett). Right lane blocked. Expect delays.

Moderate Accident

I-80 E 5 hours, 20 minutes ago

CHP : Disabled vehicle on I-680 Northbound south of El Cerro Blvd (Danville). Right shoulder affected. Expect delays.

Moderate Accident

I-680 N 5 hours, 20 minutes ago

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). Center lane affected. Expect delays.

Moderate Accident

CA-4 W 5 hours, 50 minutes ago

CHP : Traffic Hazard on I-80 Eastbound at Pinole Valley Rd (Pinole). Lane affected. Expect delays.

Moderate Accident

I-80 E 6 hours, 5 minutes ago

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

Moderate Accident

I-680 S 6 hours, 20 minutes ago

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

Moderate Accident

CA-4 E 7 hours, 35 minutes ago

CHP : Disabled vehicle on CA-24 Westbound east of Fish Ranch Rd (Orinda). Lane blocked. Expect delays.

Moderate Accident

CA-24 W 11 hours, 5 minutes ago

CHP : Traffic Collision on CA-4 Westbound at Laurel Rd (Antioch). Lane blocked. Expect delays.

Moderate Accident

CA-4 W 11 hours, 35 minutes ago

CHP : Traffic Collision on I-80 Eastbound west of Carlson Blvd (Richmond). Lanes affected. Expect delays.

Moderate Accident

I-80 E 11 hours, 50 minutes ago

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

Moderate Accident

I-80 W 13 hours, 20 minutes ago

CHP : Traffic Collision on I-80 Eastbound east of Carlson Blvd (Richmond). Right shoulder affected. Expect delays.

Moderate Accident

I-80 E 15 hours, 20 minutes ago

CHP : Vehicle fire on I-80 Eastbound west of Potrero Ave (El Cerrito). Lane affected. Expect delays.

Moderate Accident

I-80 E 15 hours, 20 minutes ago

CHP : Disabled vehicle on CA-242 Northbound north of Olivera Rd (Concord). Lanes blocked. Expect delays.

Moderate Accident

CA-242 N 15 hours, 50 minutes ago

CHP : Disabled vehicle on CA-4 Westbound west of G St (Antioch). Lane affected. Expect delays.

Moderate Accident

CA-4 W 15 hours, 50 minutes ago

CHP : Traffic Collision on CA-24 Eastbound at Caldecott Tunnel Split (Orinda). Right shoulder affected. Expect delays.

Moderate Accident

CA-24 E 16 hours, 5 minutes ago

CHP : Fire on CA-24 Westbound west of Pleasant Hill Rd (Lafayette). Lane affected. Expect delays.

Moderate Accident

CA-24 W 21 hours, 50 minutes ago

CHP : Traffic Hazard on I-80 Westbound at Pinole Valley Rd (Pinole). Right lanes affected. Expect delays.

Moderate Accident

I-80 W 22 hours, 5 minutes ago

CHP : Traffic Hazard on I-580 Eastbound west of Garrard Blvd (Richmond). Lanes affected. Expect delays.

Moderate Accident

I-580 E 23 hours, 5 minutes ago

CHP : Traffic Collision with Injuries on CA-24 Eastbound north of Camino Pablo (Orinda). Right shoulder affected. Expect delays.

Moderate Accident

CA-24 E 23 hours, 20 minutes ago

CHP : Fire on CA-4 Eastbound south of Somersville Rd (Antioch). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 1 hour ago

CHP : Disabled vehicle on CA-242 Northbound south of Olivera Rd (Concord). Lane affected. Expect delays.

Moderate Accident

CA-242 N 1 day, 2 hours ago

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

Moderate Accident

I-680 N 1 day, 2 hours ago

CHP : Traffic Hazard on I-80 Westbound west of Cutting Blvd (El Cerrito). Right lanes affected. Expect delays.

Moderate Accident

I-80 W 1 day, 2 hours ago

CHP : Traffic Hazard on I-680 Northbound south of Boyd Rd (Pleasant Hill). Lane affected. Expect delays.

Moderate Accident

I-680 N 1 day, 4 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). 3rd lane from the left affected. Expect delays.

Moderate Accident

I-680 S 1 day, 4 hours ago

CHP : Traffic Hazard on CA-24 Westbound at I-680 N (Walnut Creek). Lane affected. Expect delays.

Moderate Accident

CA-24 W 1 day, 5 hours ago

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

Moderate Accident

I-80 E 1 day, 6 hours ago

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

Moderate Accident

CA-4 E 1 day, 6 hours ago

CHP : Residual delays on I-680 Southbound north of Livorna Rd (Alamo). Right shoulder affected. Expect delays.

Moderate Accident

I-680 S 1 day, 7 hours ago

CHP : Traffic Hazard on CA-242 Southbound at Concord Ave (Concord). Lane blocked. Expect delays.

Moderate Accident

CA-242 S 1 day, 7 hours ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound at Bixler Rd (Discovery Bay). Right lane blocked. Expect delays.

Moderate Accident

CA-4 E 1 day, 8 hours ago

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

Moderate Accident

CA-4 W 1 day, 10 hours ago

CHP : Traffic Collision on CA-4 Eastbound at Port Chicago Hwy (Concord). Lane affected. Expect delays.

Moderate Accident

CA-4 E 1 day, 11 hours ago

CHP : Disabled vehicle on I-680 Northbound at Ygnacio Valley Rd (Walnut Creek). Lane blocked. Expect delays.

Moderate Accident

I-680 N 1 day, 16 hours ago

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

Moderate Accident

CA-24 E 1 day, 18 hours ago

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

Moderate Accident

I-80 W 1 day, 20 hours ago

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

Moderate Accident

I-680 S 1 day, 22 hours ago

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

Moderate Accident

CA-4 E 1 day, 23 hours ago

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

Moderate Accident

I-80 W 1 day, 23 hours 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 2 days ago

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

Moderate Accident

CA-4 E 2 days ago

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

Moderate Accident

CA-24 E 2 days, 9 hours 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 2 days, 9 hours ago

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

Moderate Accident

CA-24 E 2 days, 10 hours ago