CA · County

Contra Costa Car Accidents & Crashes

Contra Costa County has recorded 5,585 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 Oct. 29, 2026.

Breakdown by type: 23 accident.

23

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 23 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 23 results

23 accident

CHP : Traffic Hazard on I-680 Southbound entering at Willow Pass Rd (Concord). On Ramp affected. Expect delays.

I-680 S 1 day, 10 hours ago

CHP : Fire on I-680 Southbound north of Willow Pass Rd (Concord). On Ramp affected. Expect delays.

I-680 S 1 day, 10 hours ago

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

I-580 W 1 day, 11 hours ago

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

CA-4 E 1 day, 18 hours ago

CHP : Fire on I-580 Westbound east of Erlandson St (Richmond). On Ramp affected. Expect delays.

I-580 W 2 days, 3 hours ago

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

I-680 S 2 days, 5 hours ago

CHP : Disabled vehicle on I-80 Eastbound exiting at Central Ave (Richmond). Off Ramp affected. Expect delays.

I-80 E 2 days, 6 hours ago

CHP : Traffic Collision on CA-4 Eastbound ramp to I-680 S (Martinez). Connector ramp affected. Expect delays.

CA-4 E 2 days, 8 hours ago

CHP : Traffic Hazard on CA-4 Eastbound east of San Pablo Ave (Hercules). Right lane affected. Expect delays.

CA-4 E 2 days, 10 hours ago

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

CA-4 E 3 days, 4 hours ago

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

I-580 W 3 days, 5 hours ago

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

I-80 W 3 days, 23 hours ago

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

CA-4 E 4 days ago

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

I-80 E 4 days, 5 hours ago

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

CA-4 W 4 days, 6 hours ago

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

I-580 E 4 days, 22 hours ago

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

I-80 W 5 days, 1 hour ago

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

I-680 N 5 days, 5 hours ago

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

I-580 E 5 days, 20 hours ago

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

I-680 S 6 days, 2 hours ago

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

I-80 W 6 days, 4 hours ago

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

CA-24 E 6 days, 21 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 6 days, 22 hours ago