CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 3,201 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 17 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 July 30, 2026.

Breakdown by type: 374 accident.

374

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

1

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 374 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 374 results

374 accident

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

I-580 W 4 hours, 29 minutes ago

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

CA-4 E 1 day, 1 hour ago

CHP : Traffic Hazard on CA-4 Eastbound entering at Laurel Rd (Antioch). On Ramp affected. Expect delays.

CA-4 E 1 day, 2 hours ago

CHP : Traffic Hazard on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Lane affected. Expect delays.

I-580 E 1 day, 13 hours ago

CHP : Traffic Hazard on I-580 Westbound west of Richmond San Rafael Bridge - Toll Plaza (Richmond). Right lane affected. Expect delays.

I-580 W 1 day, 17 hours ago

CHP : Disabled tractor trailer on CA-4 Eastbound entering at Port Chicago Hwy (Concord). On Ramp affected. Expect delays.

CA-4 E 2 days, 3 hours ago

CHP : Traffic Hazard on I-580 Eastbound west of Central Ave (Richmond). Left and center lanes affected. Expect delays.

I-580 E 2 days, 14 hours ago

CHP : Traffic Collision on CA-4 Eastbound entering at Somersville Rd (Antioch). On Ramp affected. Expect delays.

CA-4 E 2 days, 17 hours ago

CHP : Disabled vehicle on I-680 Northbound north of Benicia Bridge - Toll Plaza (Martinez). Right lane blocked. Expect delays.

I-680 N 2 days, 19 hours ago

CHP : Traffic Collision on I-580 Westbound east of Western Dr (Richmond). Lane affected. Expect delays.

I-580 W 3 days, 3 hours ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Loveridge Rd (Pittsburg). On Ramp blocked. Expect delays.

CA-4 E 3 days, 17 hours ago

CHP : Traffic Hazard on I-680 Northbound exiting at Ygnacio Valley Rd (Walnut Creek). Off Ramp affected. Expect delays.

I-680 N 3 days, 21 hours ago

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

I-680 N 3 days, 22 hours ago

CHP : Disabled vehicle on CA-24 Westbound east of Happy Valley Rd (Lafayette). Off Ramp affected. Expect delays.

CA-24 W 4 days, 15 hours ago

CHP : Traffic Hazard on CA-24 Westbound at Pleasant Hill Rd (Lafayette). On Ramp blocked. Expect delays.

CA-24 W 4 days, 19 hours ago

CHP : Grass fire on CA-4 Westbound exiting at Lone Tree Way Bypass (Antioch). Off Ramp affected. Expect delays.

CA-4 W 6 days, 4 hours ago

CHP : High winds on CA-160 Northbound and Southbound between Antioch Bridge - Toll Plaza (Oakley) and Sacramento County Line (Oakley). Lanes affected. Traffic advisory in effect.

CA-160 N 6 days, 5 hours ago

CHP : Severe traffic alert and Traffic Collision on I-80 Eastbound east of Central Ave (Richmond). Left lanes blocked. Expect delays.

I-80 E 6 days, 16 hours ago

CHP : High winds on CA-160 Northbound between Antioch Bridge - Toll Plaza (Oakley) and River Rd (Rio Vista). Lanes affected. Traffic advisory in effect.

CA-160 N 6 days, 18 hours ago

CHP : Traffic Collision on I-80 Eastbound west of San Pablo Dam Rd (San Pablo). Off Ramp affected. Expect delays.

I-80 E 1 week, 1 day ago

CHP : Grass fire on I-80 Eastbound west of El Portal Dr (San Pablo). Off Ramp affected. Expect delays.

I-80 E 1 week, 1 day ago

CHP : Traffic Collision on CA-4 Eastbound west of Laurel Rd (Antioch). Lanes blocked. Expect delays.

CA-4 E 1 week, 1 day ago

CHP : Disabled vehicle on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). 2nd lane from the left blocked. Expect delays.

I-580 E 1 week, 1 day ago

CHP : Traffic Hazard on CA-4 Eastbound east of Sand Creek Rd (Brentwood). Right lane blocked. Expect delays.

CA-4 E 1 week, 1 day ago

CHP : Disabled vehicle on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp blocked. Expect delays.

I-680 S 1 week, 2 days ago

CHP : Fire on I-580 Westbound entering at Castro St (Richmond). On Ramp affected. Expect delays.

I-580 W 1 week, 3 days ago

CHP : Traffic Hazard on CA-4 Eastbound at Hillcrest Ave (Antioch). Off Ramp affected. Expect delays.

CA-4 E 1 week, 3 days ago

CHP : Traffic Hazard on I-680 Northbound ramp to CA-4 W (Martinez). Connector ramp affected. Expect delays.

I-680 N 1 week, 3 days ago

CHP : Traffic Hazard on I-580 Westbound at Richmond San Rafael Bridge (Richmond). Right lane affected. Expect delays.

I-580 W 1 week, 3 days ago

CHP : Traffic Hazard on N Vasco Rd Southbound north of N Vasco Rd S: Dryer Rd (Bryon). Right lane blocked. Expect delays.

N Vasco Rd S 1 week, 4 days ago

CHP : Traffic Hazard on I-680 Northbound north of Benicia Bridge - Toll Plaza (Martinez). Lanes blocked. Expect delays.

I-680 N 1 week, 4 days ago

CHP : Disabled vehicle on I-580 Eastbound west of Richmond San Rafael Bridge (Richmond). Lane closed. Expect delays.

I-580 E 1 week, 4 days ago

CHP : Severe traffic alert and Traffic Collision on CA-24 Eastbound west of Wilder Road (Orinda). Left lane blocked. Expect delays.

CA-24 E 1 week, 4 days ago

CHP : Traffic Hazard on I-580 Eastbound exiting at Harbour Way S (Richmond). Off Ramp blocked. Expect delays.

I-580 E 1 week, 5 days ago

CHP : Traffic Hazard on CA-4 Westbound west of Arnold Industrial Way (Concord). Center lanes blocked. Expect delays.

CA-4 W 1 week, 6 days ago

CHP : Disabled vehicle on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Right lane blocked. Expect delays.

I-580 E 2 weeks ago

CHP : Disabled tractor trailer on CA-4 Eastbound exiting at Port Chicago Hwy (Concord). Off Ramp blocked. Expect delays.

CA-4 E 2 weeks ago

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Lanes affected. Expect delays.

CA-4 E 2 weeks, 1 day ago

CHP : Traffic Collision on I-580 Westbound exiting at Garrard Blvd (Richmond). Off Ramp blocked. Expect delays.

I-580 W 2 weeks, 1 day ago

CHP : Disabled vehicle on I-680 Northbound entering at Sycamore Valley Rd (Danville). On Ramp blocked. Expect delays.

I-680 N 2 weeks, 1 day ago

CHP : Severe traffic alert and Emergency roadwork on I-580 Eastbound west of Harbour Way S (Richmond). Left lanes closed. Expect delays.

I-580 E 2 weeks, 1 day ago

CHP : Traffic Hazard on I-680 Northbound entering at Alcosta Blvd (San Ramon). On Ramp affected. Expect delays.

I-680 N 2 weeks, 1 day ago

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 S (Concord). Left and center lanes blocked. Expect delays.

CA-4 W 2 weeks, 1 day ago

CHP : Traffic Hazard on I-80 Eastbound east of San Pablo Ave (Crockett). Right lane blocked. Expect delays.

I-80 E 2 weeks, 1 day ago

CHP : Traffic Hazard on CA-4 Eastbound west of Sand Creek Rd (Brentwood). Lanes affected. Expect delays.

CA-4 E 2 weeks, 1 day ago

CHP : Traffic Hazard on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Lane affected. Expect delays.

I-580 E 2 weeks, 1 day ago

CHP : Traffic Hazard on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Left lane blocked. Expect delays.

I-580 E 2 weeks, 2 days ago

CHP : Traffic Hazard on I-80 Eastbound west of San Pablo Ave (Crockett). Lane affected. Expect delays.

I-80 E 2 weeks, 2 days ago

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

I-580 W 2 weeks, 2 days ago

CHP : Traffic Hazard on I-580 Westbound west of Western Dr (Richmond). Lane affected. Expect delays.

I-580 W 2 weeks, 2 days ago