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: 17 accident, 1 closure.

18

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 18 incidents with location data · click a marker to view details

Crash Records

Contra Costa Incidents 18 results

17 accident 1 closure

CHP : Residual delays on I-580 Eastbound west of Central Ave (Richmond). Center Divider affected. Expect delays.

I-580 E 2 days, 8 hours ago

CHP : Residual delays on CA-4 Eastbound east of Bailey Rd (Pittsburg). Center Divider affected. Expect delays.

CA-4 E 2 days, 11 hours ago

CHP : Traffic Hazard on CA-24 Eastbound east of Wilder Road (Orinda). Center Divider blocked. Expect delays.

CA-24 E 2 days, 14 hours ago

CHP : Residual delays on CA-4 Westbound east of Somersville Rd (Antioch). Center Divider affected. Expect delays.

CA-4 W 2 days, 17 hours ago

CHP : Traffic Collision on I-680 Northbound south of N Main St (Walnut Creek). Right lane affected. Expect delays.

I-680 N 5 days ago

CHP : Emergency road closure on I-680 Northbound between Willow Pass Rd (Concord) and CA-242 N (Concord). All lanes blocked. Avoid the area.

Low Road Closure

I-680 N 1 week, 1 day ago

CHP : Disabled vehicle on I-80 Eastbound west of Appian Way (Pinole). Center Divider affected. Expect delays.

I-80 E 1 week, 1 day ago

CHP : Residual delays on CA-24 Westbound west of Camino Pablo (Orinda). Center Divider affected. Expect delays.

CA-24 W 1 week, 1 day ago

CHP : Disabled vehicle on CA-4 Westbound east of Cummings Skwy (Port Costa). Center Divider affected. Expect delays.

CA-4 W 1 week, 4 days ago

CHP : Traffic Collision on CA-24 Eastbound at Pleasant Hill Rd (Lafayette). Lane blocked. Expect delays.

CA-24 E 1 week, 5 days ago

CHP : Traffic Hazard on CA-24 Eastbound east of Acalanes Rd (Lafayette). Center Divider affected. Expect delays.

CA-24 E 1 week, 6 days ago

CHP : Residual delays on I-680 Southbound north of Alcosta Blvd (San Ramon). Center Divider affected. Expect delays.

I-680 S 2 weeks, 1 day ago

CHP : Traffic Hazard on I-680 Northbound south of Oak Park Blvd (Pleasant Hill). Center Divider affected. Expect delays.

I-680 N 2 weeks, 1 day ago

CHP : Traffic Collision on I-680 Northbound south of Treat Blvd (Walnut Creek). Lane affected. Expect delays.

I-680 N 2 weeks, 3 days ago

CHP : Traffic Collision with Injuries on Ygnacio Valley Rd Eastbound west of Oakland Blvd (Walnut Creek). Lanes blocked. Expect delays.

Ygnacio Valley Rd 2 weeks, 5 days ago

CHP : Traffic Hazard on CA-24 Eastbound at Fish Ranch Rd (Orinda). Right Bore affected. Expect delays.

CA-24 E 2 weeks, 6 days ago

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

CA-24 E 3 weeks, 2 days ago

CHP : Residual delays on CA-242 Northbound south of CA-4 (Concord). Center Divider affected. Expect delays.

CA-242 N 3 weeks, 6 days ago