Contra Costa · Last 48 Hours

Contra Costa Accidents Today

36 accidents near Contra Costa in the last 24 hours · 80 in 48 hours · updated May 23, 2026 1:00 PM PDT

36

Last 24h

80

Last 48h

5

High Severity

193

This Week

63

Accident

17

Construction

7-Day Trend

193 crashes

↓ Fewer than last week

193 crashes in the last 7 days, down 12% vs the previous week.

Last hour

3 incidents

just now 1:00 PM

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

45m ago 12:15 PM

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

45m ago 12:15 PM

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

Last 6 hours

6 incidents

1h ago 11:30 AM

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

2h ago 10:30 AM

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

2h ago 10:15 AM

CHP : Traffic Hazard on CA-4 Westbound east of CA-160 (Antioch). 3rd lane from the left affected. Expect delays.

2h ago 10:15 AM

CHP : Traffic Hazard on I-680 Southbound north of S Main St (Walnut Creek). Lane affected. Expect delays.

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

CHP : Traffic Hazard on I-680 Southbound north of N Main St (Walnut Creek). 2nd lane from the left affected. Expect delays.

6–12 hours ago

5 incidents

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

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

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

CHP : Fire on CA-4 Eastbound east of Loveridge Rd (Pittsburg). Lane affected. Expect delays.

CHP : Traffic Collision on I-80 Westbound west of Solano Ave (Richmond). Right shoulder affected. Expect delays.

12–24 hours ago

22 incidents

12h ago 12:15 AM

CHP : Traffic Collision with Injuries on CA-242 Southbound north of Solano Way (Concord). Right shoulder affected. Expect delays.

13h ago 11:30 PM

CHP : Brush fire on CA-4 Eastbound east of Loveridge Rd (Pittsburg). Right shoulder affected. Expect delays.

13h ago 11:15 PM

CHP : Traffic Hazard on CA-4 Eastbound west of Contra Loma Blvd (Antioch). Right shoulder open. Expect delays.

15h ago 9:30 PM

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

15h ago 9:30 PM

CHP : Traffic Hazard on I-680 Southbound at CA-24 E-I-680 S Ramp (Walnut Creek). Lane affected. Expect delays.

16h ago 8:30 PM

CHP : Traffic Hazard on I-680 Southbound entering at Olympic Blvd (Walnut Creek). Lane affected. Expect delays.

16h ago 8:30 PM

CHP : Traffic Hazard on CA-24 Eastbound west of Pleasant Hill Rd (Lafayette). Right lanes blocked. Expect delays.

18h ago 7:00 PM

CHP : Disabled vehicle on CA-242 Southbound north of Clayton Rd (Concord). Lane affected. Expect delays.

18h ago 6:45 PM

Caltrans : Emergency construction on CA-4 Eastbound between Alhambra Ave (Martinez) and Center Ave (Martinez). Lane closed until 1 AM. From 6:15 PM Friday, May 22, 2026 to 1:00 AM Saturday, May 23, 2026.

18h ago 6:45 PM

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

18h ago 6:30 PM

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

18h ago 6:30 PM

CHP : Traffic Hazard on I-680 Southbound north of Monument Blvd (Pleasant Hill). Right lane affected. Expect delays.

18h ago 6:30 PM

CHP : Traffic Hazard on CA-242 Southbound exiting at Concord Ave (Concord). Right lane affected. Expect delays.

18h ago 6:15 PM

CHP : Traffic Collision on CA-4 Eastbound east of Bailey Rd (Pittsburg). 2nd lane from the left blocked. Expect delays.

18h ago 6:15 PM

CHP : Disabled vehicle on I-80 Eastbound west of El Portal Dr (San Pablo). Lane affected. Expect delays.

18h ago 6:15 PM

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

19h ago 5:15 PM

CHP : Traffic Collision on CA-4 Eastbound at CA-242 S (Concord). Right lane blocked. Expect delays.

20h ago 5:00 PM

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-4 Westbound east of Laurel Rd (Antioch). Center Divider affected. Expect delays.

22h ago 2:30 PM

CHP : Traffic Hazard on I-680 Northbound south of Alcosta Blvd (San Ramon). 2nd lane from the left blocked. Expect delays.

23h ago 1:45 PM

CHP : Traffic Hazard on CA-4 Westbound east of Railroad Ave (Pittsburg). Left lanes affected. Expect delays.

23h ago 1:15 PM

CHP : Traffic Hazard on I-680 Northbound north of Crow Canyon Rd (San Ramon). 3rd lane from the left blocked. Expect delays.

23h ago 1:15 PM

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

24–48 hours ago

44 incidents

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). 2nd lane from the left blocked. Expect delays.

1d ago 12:15 PM

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

1d ago 12:15 PM

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

1d ago 11:15 AM

CHP : Traffic Collision on I-680 Northbound south of Ygnacio Valley Rd (Walnut Creek). Right shoulder affected. Expect delays.

1d ago 11:15 AM

CHP : Traffic Hazard on CA-24 Westbound east of Pleasant Hill Rd (Lafayette). 2nd lane from the left affected. Expect delays.

1d ago 10:15 AM

CHP : Traffic Hazard on I-580 Westbound east of Central Ave (Richmond). Lanes blocked. Expect delays.

1d ago 10:00 AM

CHP : Vehicle fire and Brush fire on I-580 Westbound east of S 23RD St (Richmond). Lanes affected. Expect delays.

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

Caltrans : Roadwork on CA-4 Eastbound between CA-160 (Antioch) and Laurel Rd (Antioch). Right shoulder closed until 3 PM. From 9:00 AM Friday, May 22, 2026 to 3:00 PM Friday, May 22, 2026.

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

Caltrans : Roadwork on I-580 Eastbound at Richmond San Rafael Bridge (Richmond). Right lane closed. Expect delays. From 9:15 AM Friday, May 22, 2026 to 12:00 PM Friday, May 22, 2026.

CHP : Disabled vehicle on I-80 Eastbound at Appian Way (Pinole). Lane affected. Expect delays.

CHP : Traffic Hazard on CA-4 Westbound east of San Jose Ave (Antioch). Right lane affected. Expect delays.

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

CHP : Traffic Collision on I-80 Eastbound west of Willow Ave (Hercules). Right lane blocked. Expect delays.

Caltrans : Roadwork on I-680 Northbound entering at El Cerro Blvd (Danville). On Ramp closed until 6 AM. From 10:00 PM Thursday, May 21, 2026 to 6:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on CA-4 Westbound between CA-242 N (Concord) and Pacheco Blvd (Pacheco). Various lanes closed until 5 AM. From 7:00 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on CA-4 Westbound between Pacheco Blvd (Pacheco) and Center Ave (Martinez). Various lanes closed until 6 AM. From 7:00 PM Thursday, May 21, 2026 to 6:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on I-80 Eastbound between CA-4 E (Hercules) and Willow Ave (Hercules). Various lanes closed until 10 AM. From 7:00 PM Thursday, May 21, 2026 to 10:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on I-80 Westbound between Willow Ave (Hercules) and CA-4 E (Hercules). Various lanes closed until 5 AM. From 6:00 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on I-80 Westbound between Pinole Valley Rd (Pinole) and Richmond Pky (Pinole). Various lanes closed until 5 AM. From 6:00 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on CA-4 Eastbound at Railroad Ave (Pittsburg). Right lane and shoulder closed until 8 AM. From 8:00 PM Thursday, May 21, 2026 to 8:00 AM Friday, May 22, 2026.

1d ago 11:15 PM

Caltrans : Roadwork on I-680 Southbound between Sycamore Valley Rd (Danville) and Crow Canyon Rd (San Ramon). Various lanes closed until 5 AM. From 8:00 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on CA-4 Eastbound at Sand Creek Rd (Brentwood). Lane closed. One way traffic control in effect. From 7:30 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

Caltrans : Roadwork on CA-4 Westbound at Bixler Rd (Discovery Bay). Lane closed. One way traffic control in effect. From 7:30 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

CHP : Traffic Collision with Injuries on CA-242 Northbound entering at Concord Ave (Concord). Lane blocked. Expect delays.

Caltrans : Roadwork on CA-4 Eastbound between Marsh Creek Rd (Brentwood) and Byron Hwy (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

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

Caltrans : Roadwork on CA-4 Westbound between Byron Hwy (Brentwood) and Marsh Creek Rd (Brentwood). All lanes closed. Avoid the area. From 7:30 PM Thursday, May 21, 2026 to 5:00 AM Friday, May 22, 2026.

CHP : Disabled vehicle on I-680 Northbound north of Waterfront Rd (Martinez). 4th lane from the left blocked. Expect delays.

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

CHP : Traffic Collision on I-80 Eastbound at Hilltop Dr (San Pablo). Left and center lanes blocked. Expect delays.

CHP : Traffic Hazard on I-680 Northbound north of Arthur Rd (Martinez). Left lanes blocked. Expect delays.

CHP : Traffic Hazard on CA-4 Westbound west of Alhambra Ave (Martinez). 2nd lane from the left affected. Expect delays.

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

Caltrans : Emergency construction on I-80 Westbound between Cutting Blvd (El Cerrito) and Carlson Blvd (Richmond). Lane closed until midnight. From 4:30 PM Thursday, May 21, 2026 to 12:00 AM Friday, May 22, 2026.

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

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

CHP : Residual delays on CA-4 Eastbound west of Lone Tree Way (Antioch). All lanes open. Expect delays.

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

CHP : Traffic Collision on I-680 Southbound south of Livorna Rd (Alamo). Lane affected. Expect delays.

CHP : Traffic Hazard on CA-160 Southbound ramp to CA-4 W (Antioch). Lanes affected. Expect delays.

CHP : Disabled vehicle on I-80 Westbound at Richmond Pky (Pinole). Lane blocked. Expect delays.

Caltrans : Roadwork on I-680 Southbound entering at Stone Valley Rd (Alamo). On Ramp closed until 6 PM. From 10:00 AM Thursday, May 21, 2026 to 6:00 PM Thursday, May 21, 2026.

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?

193 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: I-680 S, CA-4 E, CA-4 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.