CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 1,522 traffic crashes since 2024, with no fatalities on record. In the last 24 hours, 22 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 May 29, 2026.

Breakdown by type: 184 accident.

184

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

2

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 184 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 184 results

184 accident

CHP : Residual delays on I-580 Westbound at Richmond San Rafael Bridge - Toll Plaza (Richmond). Right shoulder affected. Expect delays.

I-580 W 5 hours, 35 minutes ago

CHP : Disabled vehicle on CA-4 Westbound entering at Railroad Ave (Pittsburg). On Ramp blocked. Expect delays.

CA-4 W 6 hours, 5 minutes 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 22 hours, 20 minutes ago

CHP : Traffic Collision with Injuries on CA-24 Eastbound at Wilder Road (Orinda). Right lane and entrance ramp blocked. Expect delays.

CA-24 E 1 day, 3 hours ago

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

CA-4 E 1 day, 15 hours ago

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

CA-4 E 2 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 2 days, 22 hours ago

CHP : Severe traffic alert and Emergency roadwork on CA-4 Eastbound between Mcewen Rd (Martinez) and Alhambra Ave (Martinez). Right lane closed. Expect delays.

CA-4 E 2 days, 22 hours ago

CHP : Residual delays on CA-4 Westbound at Balfour Rd (Antioch). Right shoulder affected. Expect delays.

CA-4 W 4 days, 1 hour ago

CHP : Disabled vehicle on CA-4 Eastbound at Lone Tree Way Bypass (Antioch). Lanes blocked. Expect delays.

CA-4 E 4 days, 2 hours ago

CHP : Traffic Collision with Injuries on I-680 Northbound at N Main St (Walnut Creek). On Ramp closed. Expect delays.

I-680 N 4 days, 10 hours ago

CHP : Traffic Collision with Injuries on I-580 Eastbound exiting at Marina Bay Pky (Richmond). Off Ramp affected. Expect delays.

I-580 E 4 days, 22 hours ago

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

CA-4 E 5 days, 4 hours ago

CHP : Traffic Collision on I-80 Eastbound exiting at Macdonald Ave (Richmond). Off Ramp affected. Expect delays.

I-80 E 5 days, 5 hours ago

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

I-580 E 5 days, 14 hours ago

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

I-580 W 5 days, 22 hours ago

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

I-580 W 6 days, 6 hours ago

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

CA-4 W 1 week ago

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

I-580 E 1 week ago

CHP : Traffic Hazard on CA-160 Southbound ramp to CA-4 W (Antioch). Lanes affected. Expect delays.

CA-160 S 1 week ago

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

I-580 W 1 week ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp blocked. Expect delays.

CA-4 E 1 week, 1 day ago

CHP : Brush fire on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Right shoulder affected. Expect delays.

CA-4 E 1 week, 1 day ago

CHP : Traffic Collision with Injuries on I-80 Westbound entering at Pinole Valley Rd (Pinole). On Ramp blocked. Expect delays.

I-80 W 1 week, 2 days ago

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

I-580 W 1 week, 2 days ago

CHP : Fire on CA-4 Eastbound ramp to CA-242 S (Concord). Connector ramp affected. Expect delays.

CA-4 E 1 week, 3 days ago

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

CA-4 W 1 week, 3 days ago

CHP : Fire on CA-4 Eastbound ramp to CA-242 S (Concord). Connector ramp affected. Expect delays.

CA-4 E 1 week, 3 days ago

CHP : Severe traffic alert and Traffic Collision with Injuries on CA-4 Westbound east of Loveridge Rd (Pittsburg). Left and center lanes blocked. Expect delays.

CA-4 W 1 week, 3 days ago

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

I-580 W 1 week, 3 days ago

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

I-580 W 1 week, 3 days ago

CHP : Traffic Collision on CA-242 Northbound entering at Concord Ave (Concord). On Ramp blocked. Expect delays.

CA-242 N 1 week, 3 days ago

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

I-680 S 1 week, 3 days ago

CHP : Traffic Collision with Injuries on CA-4 Eastbound exiting at Sand Creek Rd (Brentwood). Off Ramp blocked. Expect delays.

CA-4 E 1 week, 4 days ago

CHP : Traffic Hazard on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Lane affected. Expect delays.

CA-4 E 1 week, 4 days ago

CHP : Disabled vehicle on CA-4 Westbound west of Sand Creek Rd (Brentwood). Lanes blocked. Expect delays.

CA-4 W 1 week, 5 days ago

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

I-580 W 1 week, 5 days ago

CHP : Traffic Collision on CA-160 Southbound north of Antioch Bridge - Toll Plaza (Oakley). Lanes affected. Expect delays.

CA-160 S 1 week, 5 days ago

CHP : Traffic Collision on I-680 Southbound north of Stone Valley Rd (Alamo). Off Ramp affected. Expect delays.

I-680 S 1 week, 5 days ago

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

I-580 E 1 week, 5 days ago

CHP : Traffic Collision on I-680 Northbound at Benicia Bridge (Benicia). Right lane affected. Expect delays.

I-680 N 1 week, 5 days ago

CHP : Brush fire on CA-4 Westbound west of Bailey Rd (Pittsburg). Off Ramp affected. Expect delays.

CA-4 W 1 week, 5 days ago

CHP : Traffic Collision on CA-4 Eastbound west of I-680 N (Martinez). Right and center lanes blocked. Expect delays.

CA-4 E 1 week, 5 days ago

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

I-580 W 1 week, 5 days ago

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

I-680 N 1 week, 6 days ago

CHP : Vehicle fire on CA-24 Westbound exiting at Fish Ranch Rd (Orinda). Off Ramp blocked. Expect delays.

CA-24 W 1 week, 6 days ago

CHP : Disabled vehicle on CA-4 Westbound east of I-80 W (Hercules). Left lane affected. Expect delays.

CA-4 W 1 week, 6 days ago

CHP : Disabled vehicle on CA-4 Westbound entering at Cummings Skwy (Port Costa). On Ramp blocked. Expect delays.

CA-4 W 2 weeks ago

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

I-580 W 2 weeks, 1 day ago

CHP : Fire on CA-242 Southbound entering at Clayton Rd (Concord). On Ramp affected. Expect delays.

CA-242 S 2 weeks, 1 day ago