CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 1,909 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 15 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 June 12, 2026.

Breakdown by type: 234 accident.

234

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 234 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 234 results

234 accident

CHP : Traffic Collision with Injuries on I-80 Eastbound entering at Solano Ave (Richmond). On Ramp blocked. Expect delays.

I-80 E 10 hours, 34 minutes ago

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

I-580 W 11 hours, 34 minutes ago

CHP : Traffic Collision on CA-4 Eastbound exiting at Railroad Ave (Pittsburg). Off Ramp affected. Expect delays.

CA-4 E 22 hours, 4 minutes ago

CHP : Traffic Hazard on I-680 Southbound exiting at Olympic Blvd (Walnut Creek). Off Ramp blocked. Expect delays.

I-680 S 1 day ago

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

I-580 W 1 day, 9 hours ago

CHP : Traffic Hazard on I-680 Northbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp affected. Expect delays.

I-680 N 1 day, 21 hours ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Right lane blocked. Expect delays.

CA-4 E 1 day, 21 hours ago

CHP : Traffic Collision and Brush fire on CA-4 Westbound entering at Cummings Skwy (Port Costa). On Ramp closed. Expect delays.

CA-4 W 1 day, 22 hours ago

CHP : Traffic Hazard on CA-4 Westbound entering at Willow Pass Rd (Concord). On Ramp blocked. Expect delays.

CA-4 W 2 days ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Port Chicago Hwy (Concord). On Ramp blocked. Expect delays.

CA-4 E 2 days, 1 hour ago

CHP : Disabled vehicle on I-580 Eastbound between Bayview Ave (Richmond) and Central Ave (Richmond). All lanes blocked. Avoid the area.

I-580 E 2 days, 11 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 2 days, 12 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 2 days, 23 hours ago

CHP : Traffic Collision with Injuries on CA-160 Northbound exiting at Antioch Bridge - Toll Plaza (Oakley). Off Ramp blocked. Expect delays.

CA-160 N 4 days ago

CHP : Severe traffic alert and Traffic Collision with Injuries on CA-242 Southbound south of Concord Ave (Concord). Left and center lanes blocked. Expect delays.

CA-242 S 4 days ago

CHP : Traffic Collision with Injuries on I-80 Westbound east of Hilltop Dr (San Pablo). Off Ramp affected. Expect delays.

I-80 W 4 days, 8 hours ago

CHP : Disabled bus on I-680 Southbound exiting at Geary Rd (Walnut Creek). Off Ramp blocked. Expect delays.

I-680 S 4 days, 8 hours ago

CHP : Traffic Collision on I-680 Southbound north of CA-24 W (Walnut Creek). Off Ramp affected. Expect delays.

I-680 S 4 days, 10 hours ago

CHP : Disabled vehicle on I-80 Westbound exiting at Cutting Blvd (El Cerrito). Off Ramp blocked. Expect delays.

I-80 W 4 days, 11 hours ago

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). All lanes blocked. Avoid the area.

CA-4 E 4 days, 21 hours ago

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

I-580 W 5 days, 2 hours ago

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

CA-4 E 5 days, 2 hours ago

CHP : Traffic Collision with Injuries on CA-242 N-CA-4 E Ramp Northbound ramp to CA-4 E (Concord). Connector ramp affected. Expect delays.

CA-242 N-CA-4 E Ramp 5 days, 8 hours ago

CHP : Traffic Hazard on I-580 Eastbound east of Western Dr (Richmond). Off Ramp affected. Expect delays.

I-580 E 5 days, 9 hours ago

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

I-580 W 5 days, 22 hours ago

CHP : Disabled vehicle on I-680 Northbound entering at Oak Park Blvd (Pleasant Hill). On Ramp affected. Expect delays.

I-680 N 6 days, 4 hours ago

CHP : Traffic Hazard on I-680 Southbound north of Diablo Rd (Danville). Off Ramp affected. Expect delays.

I-680 S 6 days, 9 hours ago

CHP : Traffic Collision with Injuries on CA-4 Westbound entering at Port Chicago Hwy (Concord). On Ramp blocked. Expect delays.

CA-4 W 6 days, 21 hours ago

CHP : Traffic Collision on CA-24 Eastbound exiting at Pleasant Hill Rd (Lafayette). Off Ramp affected. Expect delays.

CA-24 E 1 week ago

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

I-580 W 1 week ago

CHP : Traffic Collision on CA-4 Westbound east of I-80 E (Hercules). Left lane blocked. Expect delays.

CA-4 W 1 week ago

CHP : Disabled vehicle on I-580 Eastbound entering at Bayview Ave (Richmond). On Ramp blocked. Expect delays.

I-580 E 1 week ago

CHP : Traffic Collision on I-80 Eastbound exiting at Appian Way (Pinole). Off Ramp affected. Expect delays.

I-80 E 1 week, 1 day ago

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

I-580 E 1 week, 1 day ago

CHP : Traffic Collision on CA-4 Eastbound exiting at Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.

CA-4 E 1 week, 1 day ago

CHP : Severe traffic alert and Traffic Collision on I-80 Eastbound west of San Pablo Dam Rd (San Pablo). Left lanes blocked. Expect delays.

I-80 E 1 week, 1 day ago

CHP : Severe traffic alert and Traffic Collision with Injuries and Overturned vehicle on CA-4 Eastbound east of Lone Tree Way (Antioch). Left lanes blocked. Expect delays.

CA-4 E 1 week, 2 days ago

CHP : Disabled vehicle on I-680 Northbound entering at El Cerro Blvd (Danville). On Ramp blocked. Expect delays.

I-680 N 1 week, 3 days ago

CHP : Traffic Collision with Injuries on CA-160 Southbound north of Sacramento County Line (Oakley). All lanes closed. Avoid the area.

CA-160 S 1 week, 4 days ago

CHP : Traffic Collision on I-680 Southbound south of Alcosta Blvd (San Ramon). Off Ramp affected. Expect delays.

I-680 S 1 week, 4 days ago

CHP : Traffic Collision on I-680 Southbound south of Alcosta Blvd (San Ramon). On Ramp affected. Expect delays.

I-680 S 1 week, 4 days ago

CHP : Traffic Collision on I-80 Eastbound east of Fitzgerald Dr (Pinole). Off Ramp affected. Expect delays.

I-80 E 1 week, 4 days ago

CHP : Traffic Hazard on CA-4 Westbound ramp to CA-160 (Antioch). Connector ramp affected. Expect delays.

CA-4 W 1 week, 5 days ago

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

I-580 W 1 week, 5 days ago

CHP : Traffic Collision on I-580 Eastbound east of Richmond San Rafael Bridge (Richmond). Lane affected. Expect delays.

I-580 E 1 week, 5 days ago

CHP : Traffic Collision on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Right and left lanes blocked. Expect delays.

I-580 E 1 week, 5 days ago

CHP : Vehicle fire on I-580 Westbound east of Richmond San Rafael Bridge - Toll Plaza (Richmond). 2nd lane from the left blocked. Expect delays.

I-580 W 1 week, 5 days ago

CHP : Residual delays on I-80 Eastbound west of San Pablo Ave (Crockett). Right shoulder affected. Expect delays.

I-80 E 1 week, 5 days ago

CHP : Traffic Collision on I-580 Eastbound exiting at Erlandson St (Richmond). Off Ramp affected. Expect delays.

I-580 E 1 week, 6 days ago

CHP : Traffic Collision on I-680 Southbound exiting at Chilpancingo Pky (Pleasant Hill). Off Ramp blocked. Expect delays.

I-680 S 1 week, 6 days ago