Contra Costa · Last 48 Hours

Contra Costa Accidents Today

23 accidents near Contra Costa in the last 24 hours · 62 in 48 hours · updated May 25, 2026 10:23 AM PDT

23

Last 24h

62

Last 48h

7

High Severity

197

This Week

62

Accident

7-Day Trend

197 crashes

→ About the same

197 crashes in the last 7 days, about the same as the previous week (203).

Last hour

1 incident

53m ago 9:30 AM

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

Last 6 hours

4 incidents

CHP : Vehicle fire on CA-4 Westbound west of Somersville Rd (Antioch). Lane affected. Expect delays.

CHP : Disabled vehicle on CA-4 Westbound east of Hillcrest Ave (Antioch). Right shoulder affected. Expect delays.

CHP : Traffic Hazard on CA-4 Westbound west of San Joaquin County Line (Byron). Lane affected. Expect delays.

CHP : Traffic Hazard on CA-4 Westbound west of San Joaquin County Line (Byron). Lane affected. Expect delays.

6–12 hours ago

5 incidents

CHP : Traffic Hazard on I-80 Eastbound west of Macdonald Ave (Richmond). Lane affected. Expect delays.

9h ago 12:45 AM

CHP : Traffic Hazard on I-80 Eastbound west of Fitzgerald Dr (Pinole). Right shoulder blocked. Expect delays.

10h ago 11:45 PM

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

11h ago 10:45 PM

CHP : Traffic Hazard on I-580 Eastbound west of Bayview Ave (Richmond). Right shoulder affected. Expect delays.

11h ago 10:30 PM

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

12–24 hours ago

13 incidents

14h ago 8:00 PM

CHP : Disabled vehicle on CA-4 Westbound east of Bailey Rd (Pittsburg). Right lane blocked. Expect delays.

16h ago 6:15 PM

CHP : Traffic Collision on CA-4 Westbound at L St (Antioch). Lane affected. Expect delays.

16h ago 5:45 PM

CHP : Disabled vehicle on CA-4 Eastbound west of CA-242 S (Concord). Lane blocked. Expect delays.

17h ago 4:30 PM

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Right shoulder affected. Expect delays.

17h ago 4:30 PM

CHP : Traffic Collision on CA-4 Eastbound east of Walnut Blvd (Brentwood). Lanes blocked. Expect delays.

18h ago 4:00 PM

CHP : Disabled vehicle on CA-4 Westbound at Loveridge Rd (Pittsburg). Lane affected. Expect delays.

18h ago 4:00 PM

CHP : Traffic Hazard on I-680 Northbound south of Stone Valley Rd (Alamo). Lanes blocked. Expect delays.

19h ago 3:15 PM

CHP : Traffic Hazard on I-580 Westbound east of Garrard Blvd (Richmond). Lane affected. Expect delays.

20h ago 2:00 PM

CHP : Traffic Hazard on CA-4 Westbound east of Somersville Rd (Antioch). Right lanes blocked. Expect delays.

20h ago 1:30 PM

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

21h ago 1:00 PM

CHP : Traffic Hazard on CA-4 Eastbound west of Loveridge Rd (Pittsburg). Right lanes blocked. Expect delays.

21h ago 1:00 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound at Walnut Blvd (Brentwood). Lane affected. Expect delays.

22h ago 12:00 PM

CHP : Traffic Hazard on CA-4 Westbound east of Pacheco Blvd (Pacheco). Lane affected. Expect delays.

24–48 hours ago

39 incidents

1d ago 10:15 AM

CHP : Disabled vehicle on CA-4 Westbound east of Loveridge Rd (Pittsburg). Right shoulder affected. Expect delays.

CHP : Traffic Hazard on CA-24 Eastbound at Happy Valley Rd (Lafayette). Lane affected. Expect delays.

CHP : Traffic Hazard on I-680 Northbound north of Rudgear Rd (Walnut Creek). Lane affected. Expect delays.

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

CHP : Traffic Hazard on I-680 Northbound north of Concord Ave (Pleasant Hill). Right lane affected. Expect delays.

CHP : Residual delays on I-680 Northbound south of Sycamore Valley Rd (Danville). All lanes open. Expect delays.

CHP : Disabled vehicle on I-680 Northbound north of Crow Canyon Rd (San Ramon). Right shoulder affected. Expect delays.

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Sycamore Ave (Hercules). Lane affected. Expect delays.

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

1d ago 12:30 AM

CHP : Traffic Collision on I-80 Eastbound west of El Portal Dr (San Pablo). Right shoulder affected. Expect delays.

1d ago 12:00 AM

CHP : Traffic Collision on I-680 Southbound north of N Main St (Walnut Creek). Right shoulder affected. Expect delays.

1d ago 11:30 PM

CHP : Traffic Collision on I-680 Southbound north of N Main St (Walnut Creek). Right shoulder affected. Expect delays.

1d ago 11:00 PM

CHP : Fire on CA-242 Northbound south of Concord Ave (Concord). Right shoulder affected. Expect delays.

1d ago 10:45 PM

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

1d ago 10:30 PM

CHP : Traffic Collision on I-680 Northbound south of Concord Ave (Pleasant Hill). Lane affected. Expect delays.

1d ago 10:00 PM

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

CHP : Traffic Collision on I-580 Eastbound west of Harbour Way S (Richmond). Right shoulder affected. Expect delays.

CHP : Traffic Collision on I-80 Westbound at Pinole Valley Rd (Pinole). Lane affected. Expect delays.

CHP : Traffic Hazard on CA-24 Westbound east of Acalanes Rd (Lafayette). Right lane blocked. Expect delays.

CHP : Disabled vehicle on CA-24 Westbound east of Camino Pablo (Orinda). Right lane blocked. Expect delays.

CHP : Disabled vehicle on I-80 Westbound east of Pinole Valley Rd (Pinole). Lane affected. Expect delays.

CHP : Traffic Hazard on I-80 Westbound east of Cutting Blvd (El Cerrito). 2nd lane from the left affected. Expect delays.

CHP : Traffic Hazard on I-80 Eastbound west of Pinole Valley Rd (Pinole). Lane blocked. Expect delays.

CHP : Disabled vehicle on CA-4 Westbound east of A St (Antioch). Right shoulder affected. Expect delays.

CHP : Disabled vehicle on I-680 Northbound south of Waterfront Rd (Martinez). Lane blocked. Expect delays.

CHP : Disabled vehicle on CA-4 Westbound east of A St (Antioch). Lane affected. Expect delays.

CHP : Traffic Hazard on I-80 Eastbound west of Appian Way (Pinole). Lane affected. Expect delays.

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

CHP : Traffic Collision on CA-4 Westbound east of Bailey Rd (Pittsburg). Lane affected. Expect delays.

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

CHP : Traffic Collision on I-80 Westbound east of Richmond Pky (Pinole). Lane affected. Expect delays.

CHP : Traffic Hazard on I-680 Southbound north of Livorna Rd (Alamo). Center lane blocked. Expect delays.

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

CHP : Traffic Hazard on CA-4 Westbound east of Laurel Rd (Antioch). Left lanes affected. Expect delays.

CHP : Traffic Collision with Injuries on I-80 Westbound entering at Barrett Ave (Richmond). Right lane blocked. Expect delays.

1d ago 12:15 PM

CHP : Traffic Hazard on I-580 Westbound at Central Ave (Richmond). Lane affected. Expect delays.

1d ago 12:15 PM

CHP : Traffic Collision on I-80 Westbound west of Central Ave (Richmond). Left lane blocked. Expect delays.

1d ago 11:30 AM

CHP : Residual delays on I-680 Southbound south of Alcosta Blvd (San Ramon). Right shoulder affected. Expect delays.

1d ago 10:30 AM

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

Frequently Asked Questions

Are accidents in Contra Costa reported live?

Yes — this page refreshes throughout the day as new incidents are logged by the California Highway Patrol. Crash data typically appears within 15–30 minutes of being reported.

How many accidents happened near Contra Costa in the last 7 days?

197 crashes were reported near Contra Costa in the last 7 days.

What roads have the most crashes in Contra Costa today?

Recent crashes near Contra Costa are concentrated on: CA-4 W, I-680 N, CA-4 E. See the full historical crash data for Contra Costa.

What type of accident is most common in Contra Costa?

Accident are the most frequently reported incident type near Contra Costa based on recent data.

Where does this crash data come from?

Crash data is sourced from the California Highway Patrol (CHP) Computer-Aided Dispatch feed and the CCRS historical crash database. Learn more about our data sources.