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, 21 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: 17 accident.

17

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

2

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 17 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 17 results

17 accident

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

I-580 W 7 hours, 21 minutes ago

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

CA-4 W 7 hours, 51 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 1 day 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, 5 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, 17 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, 6 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, 23 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 : Residual delays on CA-4 Westbound at Balfour Rd (Antioch). Right shoulder affected. Expect delays.

CA-4 W 4 days, 3 hours ago

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

CA-4 E 4 days, 4 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, 12 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 5 days 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, 6 hours ago

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

I-80 E 5 days, 6 hours ago

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

I-580 E 5 days, 16 hours ago

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

I-580 W 6 days ago

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

I-580 W 6 days, 8 hours ago