CA · County

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: 596 accident.

596

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

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 596 results

596 accident

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

CA-4 E 15 hours, 31 minutes ago

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

I-580 W 16 hours, 1 minute ago

CHP : Disabled vehicle on I-80 Westbound at Solano Ave (Richmond). On Ramp affected. Expect delays.

I-80 W 1 day, 10 hours ago

CHP : Disabled vehicle on CA-4 Eastbound at I-80 E (Hercules). Lanes affected. Expect delays.

CA-4 E 1 day, 11 hours ago

CHP : Traffic Hazard on I-80 Eastbound west of Solano Ave (Richmond). Off Ramp affected. Expect delays.

I-80 E 1 day, 16 hours ago

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

CA-4 W 1 day, 17 hours ago

CHP : Vehicle fire on I-580 Eastbound west of Central Ave (Richmond). Right and center lanes blocked. Expect delays.

I-580 E 2 days, 9 hours ago

CHP : Residual delays on I-80 Westbound entering at Hilltop Dr (San Pablo). On Ramp affected. Expect delays.

I-80 W 2 days, 12 hours ago

CHP : Traffic Hazard on I-680 Northbound exiting at Diablo Rd (Danville). Off Ramp affected. Expect delays.

I-680 N 2 days, 16 hours ago

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

I-580 E 3 days, 7 hours ago

CHP : Traffic Collision on I-680 Southbound south of N Main St (Walnut Creek). On Ramp blocked. Expect delays.

I-680 S 3 days, 13 hours ago

CHP : Fire on I-80 Westbound at El Portal Dr (San Pablo). On Ramp affected. Expect delays.

I-80 W 3 days, 15 hours ago

CHP : Disabled vehicle on CA-24 Eastbound at Caldecott Tunnel Split (Orinda). Off Ramp affected. Expect delays.

CA-24 E 4 days, 8 hours ago

CHP : Traffic Hazard on I-680 Northbound south of Benicia Bridge - Toll Plaza (Martinez). 2nd lane from the left affected. Expect delays.

I-680 N 4 days, 9 hours ago

CHP : Traffic Hazard on I-680 Southbound ramp to CA-24 W (Walnut Creek). On Ramp affected. Expect delays.

I-680 S 4 days, 12 hours ago

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

I-580 W 4 days, 13 hours ago

CHP : Traffic Hazard on I-680 Southbound entering at Diablo Rd (Danville). On Ramp blocked. Expect delays.

I-680 S 4 days, 14 hours ago

CHP : Traffic Hazard on CA-4 Westbound east of San Jose Ave (Antioch). Lane affected. Expect delays.

CA-4 W 4 days, 14 hours ago

CHP : Traffic Collision on CA-24 Westbound exiting at Fish Ranch Rd (Orinda). Off Ramp affected. Expect delays.

CA-24 W 4 days, 21 hours ago

CHP : Disabled vehicle on I-580 Westbound west of Richmond San Rafael Bridge - Toll Plaza (Richmond). Right lane blocked. Expect delays.

I-580 W 4 days, 23 hours ago

CHP : Fire on CA-4 Eastbound entering at Contra Loma Blvd (Antioch). On Ramp affected. Expect delays.

CA-4 E 5 days, 13 hours ago

CHP : Fire on I-580 Westbound at Harbour Way S (Richmond). Off Ramp affected. Expect delays.

I-580 W 5 days, 21 hours ago

CHP : Traffic Collision on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp affected. Expect delays.

I-680 S 6 days, 9 hours ago

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

I-580 W 6 days, 11 hours ago

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

I-580 W 6 days, 16 hours ago

CHP : Residual delays on CA-4 Westbound entering at Sand Creek Rd (Brentwood). Left shoulder affected. Expect delays.

CA-4 W 6 days, 21 hours ago

CHP : Traffic Collision on CA-4 Westbound east of Alhambra Ave (Martinez). Left and center lanes blocked. Expect delays.

CA-4 W 1 week ago

CHP : Traffic Hazard on CA-4 Eastbound exiting at Willow Pass Rd (Pittsburg). Off Ramp blocked. Expect delays.

CA-4 E 1 week, 1 day ago

CHP : Traffic Collision with Injuries on I-580 Eastbound west of Erlandson St (Richmond). Off Ramp affected. Expect delays.

I-580 E 1 week, 2 days ago

CHP : Disabled vehicle on I-580 Westbound east of Richmond San Rafael Bridge - Toll Plaza (Richmond). Lane affected. Expect delays.

I-580 W 1 week, 2 days ago

CHP : Disabled vehicle on CA-4 Eastbound east of San Pablo Ave (Hercules). Lane affected. Expect delays.

CA-4 E 1 week, 2 days ago

CHP : Traffic Collision with Injuries on I-80 Eastbound exiting at Hilltop Dr (San Pablo). Right lane and exit ramp blocked. Expect delays.

I-80 E 1 week, 2 days ago

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

I-580 E 1 week, 3 days ago

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

I-80 E 1 week, 3 days ago

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

I-580 W 1 week, 3 days ago

CHP : Traffic Collision with Injuries on I-680 Northbound entering at Crow Canyon Rd (San Ramon). On Ramp blocked. Expect delays.

I-680 N 1 week, 5 days ago

CHP : Severe traffic alert and Traffic Collision on CA-4 Eastbound east of Mcewen Rd (Martinez). Left lane blocked. Expect delays.

CA-4 E 1 week, 5 days ago

CHP : Vehicle fire on CA-24 Eastbound west of Caldecott Tunnel Split (Orinda). Right shoulder affected. Expect delays.

CA-24 E 1 week, 5 days ago

CHP : Disabled vehicle on CA-4 Eastbound at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.

CA-4 E 1 week, 6 days ago

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

CA-4 E 1 week, 6 days ago

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

I-680 N 1 week, 6 days ago

CHP : Traffic Collision with Injuries on I-80 Westbound exiting at San Pablo Dam Rd (San Pablo). Off Ramp blocked. Expect delays.

I-80 W 2 weeks ago

CHP : Disabled vehicle on CA-4 Eastbound exiting at Hillcrest Ave (Antioch). Off Ramp blocked. Expect delays.

CA-4 E 2 weeks ago

CHP : Traffic Collision on CA-242 Southbound at Concord Ave (Concord). On Ramp affected. Expect delays.

CA-242 S 2 weeks, 1 day ago

CHP : Traffic Collision on I-580 Eastbound west of Richmond San Rafael Bridge (Richmond). Right lane blocked. Expect delays.

I-580 E 2 weeks, 1 day ago

CHP : Traffic Collision with Injuries on CA-242 Southbound north of Clayton Rd (Concord). Off Ramp affected. Expect delays.

CA-242 S 2 weeks, 2 days ago

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

I-580 E 2 weeks, 2 days ago

CHP : Disabled truck on I-580 Westbound west of Richmond San Rafael Bridge (Richmond). Right lane blocked. Expect delays.

I-580 W 2 weeks, 3 days ago

CHP : Traffic Collision on CA-4 Westbound west of Loveridge Rd (Pittsburg). Off Ramp blocked. Expect delays.

CA-4 W 2 weeks, 3 days ago

CHP : Traffic Hazard on I-680 Northbound ramp to CA-24 W (Walnut Creek). Connector ramp affected. Expect delays.

I-680 N 2 weeks, 3 days ago