CA · High Severity · Last 48 Hours

California Fatal Accidents Today

20 fatal & serious injury accidents in the last 24 hours · 37 in the last 48 hours · updated May 21, 2026 10:20 AM PDT

20

Last 24h

37

Last 48h

166

This Week

37

Accident

7-Day Trend — Fatal & Serious

166 high-severity crashes

↓ Fewer than last week

166 crashes in the last 7 days, down 29% vs the previous week.

Last 6 hours

10 incidents

CHP : Traffic Hazard on I-680 Northbound entering at Via San Gabriel (Fremont). On Ramp blocked. Expect delays.

I-680 N Alameda

CHP : Traffic Hazard on US-101 Northbound south of I-380 W (South San Francisco). Right lane and exit ramp affected. Expect delays.

US-101 N San Mateo

CHP : Traffic Collision with Injuries on CA-4 Eastbound entering at Lone Tree Way Bypass (Antioch). On Ramp blocked. Expect delays.

CA-4 E Contra Costa

CHP : Disabled vehicle on US-101 Southbound exiting at San Marin Dr (Novato). Off Ramp blocked. Expect delays.

CHP : Traffic Collision on I-580 Westbound exiting at Main St (San Quentin). Off Ramp affected. Expect delays.

CHP : Disabled vehicle on I-80 Westbound east of Bay Bridge - Toll Plaza (Oakland). Right lane blocked. Expect delays.

CHP : Disabled vehicle on I-80 Eastbound east of Bay Bridge - West Span (San Francisco). Left lane blocked. Expect delays.

I-80 E San Francisco

CHP : Traffic Collision on I-80 Westbound east of Bay Bridge - Metering Lights (Oakland). Lane blocked. Expect delays.

CHP : Residual delays on I-80 Eastbound east of Treasure Island Rd (San Francisco). Right shoulder affected. Expect delays.

I-80 E San Francisco

CHP : Traffic Hazard on I-80 Westbound exiting at Fremont St (San Francisco). Off Ramp blocked. Expect delays.

I-80 W San Francisco

12–24 hours ago

10 incidents

15h ago 6:30 PM

CHP : Traffic Hazard on CA-84 Westbound west of Dumbarton Bridge - Toll Plaza (Fremont). Right lane affected. Expect delays.

CA-84 W Alameda

17h ago 5:00 PM

CHP : Traffic Hazard on I-80 Westbound east of Bay Bridge - Toll Plaza (Oakland). Lane affected. Expect delays.

17h ago 5:00 PM

CHP : Disabled vehicle on I-80 Westbound west of Treasure Island Rd (San Francisco). Left lane affected. Expect delays.

I-80 W San Francisco

17h ago 4:30 PM

CHP : Brush fire on CA-4 Eastbound west of Lone Tree Way Bypass (Antioch). Right shoulder affected. Expect delays.

CA-4 E Contra Costa

18h ago 4:15 PM

CHP : Traffic Hazard on I-80 Westbound east of Bay Bridge - Toll Plaza (Oakland). Left lane affected. Expect delays.

18h ago 4:15 PM

CHP : Traffic Hazard on I-80 Westbound east of Treasure Island Rd (San Francisco). 4th lane from the left blocked. Expect delays.

I-80 W San Francisco

18h ago 4:15 PM

CHP : Traffic Collision on I-880 Northbound at I-880 N-I-80 W Ramp (Oakland). On Ramp blocked. Expect delays.

I-880 N Alameda

18h ago 4:00 PM

CHP : Traffic Collision on US-101 Northbound south of W Railroad Ave (Cotati). Center lanes blocked. Expect delays.

US-101 N Sonoma

18h ago 3:45 PM

CHP : Traffic Collision on CA-87 Northbound entering at Curtner Ave (San Jose). On Ramp blocked. Expect delays.

CA-87 N Santa Clara

18h ago 3:45 PM

CHP : Fire on US-101 Northbound exiting at San Benito County Line (Gilroy). Off Ramp blocked. Expect delays.

US-101 N Santa Clara

24–48 hours ago

17 incidents

CHP : Traffic Collision with Injuries on I-80 Westbound entering at Pinole Valley Rd (Pinole). On Ramp blocked. Expect delays.

I-80 W Contra Costa

CHP : Traffic Hazard on CA-237 Eastbound entering at N Mathilda Ave (Sunnyvale). On Ramp blocked. Expect delays.

CA-237 E Santa Clara

CHP : Severe traffic alert and Traffic Collision with Injuries and Overturned vehicle on I-280 Northbound south of Page Mill Rd (Los Altos Hills). Right lanes blocked. Expect delays.

I-280 N Santa Clara

CHP : Traffic Collision on US-101 Southbound exiting at San Marin Dr (Novato). Off Ramp affected. Expect delays.

CHP : Traffic Collision on I-280 Northbound south of Foothill Expy (Los Altos). Right lane and exit ramp blocked. Expect delays.

I-280 N Santa Clara

CHP : Traffic Hazard on I-880 Southbound exiting at Whipple Rd (Hayward). Off Ramp blocked. Expect delays.

I-880 S Alameda

CHP : Traffic Collision with Injuries and Overturned tractor trailer and Severe traffic alert on I-280 Northbound south of Page Mill Rd (Los Altos Hills). Right lanes blocked. Expect delays.

I-280 N Santa Clara

CHP : Traffic Hazard on CA-17 Southbound north of S Santa Cruz Ave (Los Gatos). Lanes affected. Expect delays.

CA-17 S Santa Clara

CHP : Disabled truck on I-80 Westbound west of Treasure Island Rd (San Francisco). Left lane affected. Expect delays.

I-80 W San Francisco

CHP : Disabled vehicle on I-80 Westbound exiting at Fremont St (San Francisco). Off Ramp closed. Expect delays.

I-80 W San Francisco

CHP : Severe traffic alert and Brush fire on CA-237 Westbound east of Lafayette St (Santa Clara). Right lane blocked. Expect delays.

CA-237 W Santa Clara

CHP : Traffic Collision on I-80 Westbound west of Treasure Island Rd (San Francisco). Right and center lanes blocked. Expect delays.

I-80 W San Francisco

CHP : Vehicle fire on CA-85 Northbound exiting at W Evelyn Ave (Mountain View). Off Ramp affected. Expect delays.

CA-85 N Santa Clara

CHP : Traffic Collision and Traffic Hazard on CA-84 Eastbound west of Dumbarton Bridge - Midspan (Fremont). Right and center lanes blocked. Expect delays.

CA-84 E Alameda

CHP : Traffic Hazard on CA-87 Northbound south of Curtner Ave (San Jose). Lanes affected. Expect delays.

CA-87 N Santa Clara

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

I-580 W Contra Costa

CHP : Disabled vehicle on CA-17 Southbound exiting at San Tomas Expy (Campbell). Off Ramp blocked. Expect delays.

CA-17 S Santa Clara

Frequently Asked Questions

What qualifies as a fatal accident in this data?

Incidents are classified as high severity when the California Highway Patrol logs a fatality or serious injury. This page shows all high-severity crashes from the last 48 hours.

How many fatal accidents happen in California each week?

166 high-severity crashes were reported in California in the last 7 days. 166 crashes in the last 7 days, down 29% vs the previous week.

Are fatal accidents in California reported live?

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

What roads have the most fatal accidents in California?

See historical fatality data on the traffic fatalities page and the most dangerous roads ranking.

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.