Contra Costa · Last 48 Hours

Contra Costa Accidents Today

37 accidents near Contra Costa in the last 24 hours · 60 in 48 hours · updated Oct. 27, 2026 4:44 AM PDT

37

Last 24h

60

Last 48h

6

High Severity

157

This Week

32

Accident

28

Construction

7-Day Trend

157 crashes

↓ Fewer than last week

157 crashes in the last 7 days, down 23% vs the previous week.

Last 6 hours

15 incidents

CHP : Traffic Hazard on CA-24 Eastbound north of Camino Pablo (Orinda). Lane affected. Expect delays.

Caltrans : Roadwork on I-680 Southbound entering at Crow Canyon Rd (San Ramon). On Ramp closed until 4 AM. From 9:00 PM Monday, October 26, 2026 to 4:00 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on I-680 Northbound between Bollinger Canyon Rd (San Ramon) and Sycamore Valley Rd (Danville). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on I-680 Southbound exiting at Bollinger Canyon Rd (San Ramon). Off Ramp closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on I-680 Northbound exiting at Stone Valley Rd (Alamo). Off Ramp closed until 6-30 AM. From 8:00 PM Monday, October 26, 2026 to 6:30 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on I-680 Northbound exiting at Stone Valley Rd (Alamo). Off Ramp closed until 6-30 AM. From 8:00 PM Monday, October 26, 2026 to 6:30 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on I-680 Northbound between Stone Valley Rd (Alamo) and Livorna Rd (Alamo). Various lanes closed until 5 AM. From 8:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on I-680 Northbound entering at Stone Valley Rd (Alamo). On Ramp closed until 5 AM. From 9:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

4h ago 12:00 AM

Caltrans : Roadwork on I-580 Westbound between Castro St (Richmond) and Western Dr (Richmond). Right lane and shoulder closed until 6 AM. From 7:00 PM Monday, October 26, 2026 to 6:00 AM Tuesday, October 27, 2026.

4h ago 11:45 PM

Caltrans : Roadwork on I-580 Westbound between Castro St (Richmond) and Western Dr (Richmond). Right shoulder closed until 5 AM. From 9:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

5h ago 11:15 PM

Caltrans : Roadwork on CA-4 Eastbound at Discovery Bay Blvd (Discovery Bay). Lane closed. One way traffic control in effect. From 8:00 PM Monday, October 26, 2026 to 4:00 AM Tuesday, October 27, 2026.

5h ago 11:00 PM

Caltrans : Roadwork on CA-4 Eastbound at Sand Creek Rd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

5h ago 11:00 PM

Caltrans : Roadwork on CA-4 Eastbound at Bixler Rd (Discovery Bay). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

5h ago 11:00 PM

Caltrans : Roadwork on I-80 Eastbound exiting at Cummings Skwy (Crockett). Off Ramp closed until 7 AM. From 7:00 PM Monday, October 26, 2026 to 7:00 AM Tuesday, October 27, 2026.

5h ago 11:00 PM

Caltrans : Roadwork on CA-4 Eastbound at Walnut Blvd (Brentwood). All lanes closed until 5 AM. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

6–12 hours ago

6 incidents

CHP : Disabled vehicle on CA-4 Westbound east of CA-160 (Antioch). Center lane blocked. Expect delays.

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Byron Hwy (Brentwood) and Balfour Rd (Antioch). All lanes closed. Avoid the area. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

Caltrans : Roadwork on CA-4 Eastbound and Westbound between Balfour Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:00 PM Monday, October 26, 2026 to 5:00 AM Tuesday, October 27, 2026.

10h ago 6:00 PM

CHP : Traffic Hazard on I-680 Southbound north of Crow Canyon Rd (San Ramon). Left lane affected. Expect delays.

11h ago 5:30 PM

CHP : Traffic Hazard on I-680 Northbound south of CA-242 N (Concord). Left lane affected. Expect delays.

11h ago 5:00 PM

CHP : Brush fire on I-680 Northbound exiting at Treat Blvd (Walnut Creek). Right lane blocked. Expect delays.

12–24 hours ago

16 incidents

12h ago 4:00 PM

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 6 PM. From 10:00 AM Monday, October 26, 2026 to 6:00 PM Monday, October 26, 2026.

13h ago 3:30 PM

CHP : Traffic Hazard on I-680 Northbound south of Waterfront Rd (Martinez). Right lane affected. Expect delays.

13h ago 3:30 PM

CHP : Disabled vehicle on CA-4 Eastbound entering at Willow Pass Rd (Pittsburg). Left lane blocked. Expect delays.

13h ago 3:00 PM

CHP : Traffic Collision with Injuries on I-680 Southbound north of Willow Pass Rd (Concord). Right lane blocked. Expect delays.

14h ago 2:30 PM

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

14h ago 2:00 PM

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

14h ago 2:00 PM

CHP : Traffic Hazard on I-680 Southbound north of W El Pintado (Danville). Lanes blocked. Expect delays.

14h ago 1:45 PM

CHP : Traffic Hazard on I-680 Northbound entering at Arthur Rd (Martinez). Lane affected. Expect delays.

15h ago 1:30 PM

CHP : Traffic Hazard on I-580 Westbound east of Castro St (Richmond). Right lane affected. Expect delays.

16h ago 11:45 AM

CHP : Disabled vehicle on CA-4 Eastbound west of Balfour Rd (Brentwood). Left shoulder affected. Expect delays.

17h ago 11:15 AM

Caltrans : Roadwork on CA-4 Eastbound at Bailey Rd (Pittsburg). Lane closed until 2 PM. From 9:30 AM Monday, October 26, 2026 to 2:00 PM Monday, October 26, 2026.

18h ago 9:45 AM

CHP : Traffic Collision on CA-242 Northbound at Olivera Rd (Concord). Lanes affected. Expect delays.

21h ago 7:15 AM

CHP : Traffic Collision on I-80 Westbound east of El Portal Dr (San Pablo). Lane affected. Expect delays.

21h ago 7:00 AM

CHP : Disabled vehicle on I-680 Northbound at Monument Blvd (Pleasant Hill). Right shoulder blocked. Expect delays.

21h ago 7:00 AM

Caltrans : Roadwork on I-580 Westbound at Garrard Blvd (Richmond). Right shoulder closed until 2 PM. From 6:30 AM Monday, October 26, 2026 to 2:00 PM Thursday, October 29, 2026.

23h ago 4:45 AM

Caltrans : Bridge work on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Right shoulder closed until 2 PM. From 4:00 AM Monday, October 26, 2026 to 2:00 PM Monday, October 26, 2026.

24–48 hours ago

23 incidents

1d ago 12:30 AM

Caltrans : Roadwork on I-80 Westbound exiting at Hilltop Dr (San Pablo). Off Ramp closed until 5 AM. From 9:00 PM Sunday, October 25, 2026 to 5:00 AM Monday, October 26, 2026.

1d ago 12:15 AM

CHP : Disabled vehicle on CA-4 Eastbound at Railroad Ave (Pittsburg). Lane affected. Expect delays.

1d ago 12:00 AM

Caltrans : Roadwork on I-80 Westbound between Hilltop Dr (San Pablo) and El Portal Dr (San Pablo). Various lanes closed until 5 AM. From 11:00 PM Sunday, October 25, 2026 to 5:00 AM Monday, October 26, 2026.

1d ago 11:45 PM

CHP : Fire on I-80 Eastbound at Solano Ave (Richmond). Lane affected. Expect delays.

1d ago 11:45 PM

Caltrans : Roadwork on I-80 Westbound between Richmond Pky (Pinole) and Hilltop Dr (San Pablo). Various lanes closed until 4 AM. From 10:00 PM Sunday, October 25, 2026 to 4:00 AM Monday, October 26, 2026.

1d ago 11:00 PM

CHP : Traffic Collision on I-80 Eastbound at Appian Way (Pinole). Right shoulder affected. Expect delays.

1d ago 10:45 PM

Caltrans : Roadwork on I-80 Westbound between Pinole Valley Rd (Pinole) and Richmond Pky (Pinole). Various lanes closed until 4 AM. From 10:00 PM Sunday, October 25, 2026 to 4:00 AM Monday, October 26, 2026.

1d ago 10:15 PM

Caltrans : Roadwork on I-80 Westbound between CA-4 E (Hercules) and Pinole Valley Rd (Pinole). Various lanes closed until 4 AM. From 10:00 PM Sunday, October 25, 2026 to 4:00 AM Monday, October 26, 2026.

Caltrans : Roadwork on I-80 Westbound between San Pablo Ave (Crockett) and CA-4 E (Hercules). Various lanes closed until 5 AM. From 9:00 PM Sunday, October 25, 2026 to 5:00 AM Monday, October 26, 2026.

Caltrans : Roadwork on I-80 Westbound entering at Richmond Pky (Pinole). On Ramp closed until 6 AM. From 9:00 PM Sunday, October 25, 2026 to 6:00 AM Monday, October 26, 2026.

Caltrans : Roadwork on I-80 Eastbound between Pinole Valley Rd (Pinole) and Willow Ave (Hercules). Various lanes closed until 5 AM. From 9:00 PM Sunday, October 25, 2026 to 5:00 AM Monday, October 26, 2026.

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

CHP : Disabled vehicle on I-580 Eastbound at Western Dr (Richmond). Lane affected. Expect delays.

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

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

CHP : Disabled vehicle on CA-4 Eastbound east of Discovery Bay Blvd (Discovery Bay). Lane affected. Expect delays.

CHP : Vehicle fire on I-680 Northbound south of Arthur Rd (Martinez). Lane blocked. Expect delays.

CHP : Disabled vehicle on CA-4 Eastbound at Hillcrest Ave (Antioch). Lane affected. Expect delays.

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

CHP : Traffic Hazard on I-680 Southbound entering at Alcosta Blvd (San Ramon). Left lanes affected. Expect delays.

1d ago 12:30 PM

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

1d ago 12:00 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of CA-160 (Antioch). Right lane blocked. Expect delays.

CHP : Residual delays on I-580 Westbound at Bayview Ave (Richmond). All lanes open. 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?

157 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 E, I-680 N, I-80 W. 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.