US-101 S · Last 48 Hours

US-101 S Accident Today

15 accidents on US-101 S in the last 24 hours · 29 in 48 hours · updated July 28, 2026 12:27 AM PDT

15

Last 24h

29

Last 48h

6

High Severity

85

This Week

26

Accident

3

Construction

7-Day Trend

85 crashes

↓ Fewer than last week

85 crashes in the last 7 days, down 59% vs the previous week.

Last 6 hours

7 incidents

Caltrans : Roadwork on US-101 Southbound between CA-85 S (san Jose) (San Jose) and Metcalf Rd (San Jose). Various lanes closed until 5 AM. From 8:00 PM Monday, July 27, 2026 to 5:00 AM Tuesday, July 28, 2026.

Caltrans : Emergency construction on US-101 Southbound at San Marin Dr (Novato). Lane closed until 5 AM. From 8:00 PM Monday, July 27, 2026 to 5:00 AM Tuesday, July 28, 2026.

CHP : Grass fire on US-101 Southbound north of Tully Rd (San Jose). Right shoulder affected. Expect delays.

CHP : Grass fire on US-101 Southbound north of Bernal Rd (San Jose). Right shoulder affected. Expect delays.

CHP : Grass fire on US-101 Southbound south of Blossom Hill Rd (San Jose). Right lane blocked. Expect delays.

CHP : Traffic Hazard on US-101 Southbound north of Cesar Chavez St (San Francisco). Right lane blocked. Expect delays.

CHP : Traffic Hazard on US-101 Southbound north of I-380 W (South San Francisco). 4th lane from the left blocked. Expect delays.

6–12 hours ago

4 incidents

CHP : Traffic Hazard on US-101 Southbound north of Broadway (Burlingame). Lane affected. Expect delays.

CHP : Disabled vehicle on US-101 Southbound north of Broadway (Burlingame). 2nd lane from the left blocked. Expect delays.

CHP : Traffic Hazard on US-101 Southbound north of I-280 S (san Francisco) (San Francisco). Lanes affected. Expect delays.

CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Southbound north of Broadway (Burlingame). Left and center lanes blocked. Expect delays.

12–24 hours ago

4 incidents

14h ago 9:30 AM

CHP : Traffic Hazard on US-101 Southbound at Howard St (San Francisco). Lane affected. Expect delays.

17h ago 6:30 AM

CHP : Grass fire on US-101 Southbound at Story Rd (San Jose). Right shoulder affected. Expect delays.

20h ago 4:00 AM

Caltrans : Roadwork on US-101 Southbound between CA-85 S (san Jose) (San Jose) and Metcalf Rd (San Jose). Various lanes closed until 5 AM. From 7:00 PM Sunday, July 26, 2026 to 5:00 AM Monday, July 27, 2026.

20h ago 3:30 AM

CHP : Traffic Collision on US-101 Southbound north of Tully Rd (San Jose). Right shoulder affected. Expect delays.

24–48 hours ago

14 incidents

CHP : Brush fire on US-101 Southbound at Story Rd (San Jose). Left shoulder affected. Expect delays.

CHP : Traffic Collision on US-101 Southbound entering at 7TH St (Santa Rosa). On Ramp blocked. Expect delays.

CHP : Traffic Hazard on US-101 Southbound at University Ave (East Palo Alto). Lane blocked. Expect delays.

CHP : Traffic Collision with Injuries on US-101 Southbound at Coyote Creek Golf Dr (San Jose). Right shoulder affected. Expect delays.

CHP : Traffic Collision on US-101 Southbound exiting at Woodside Rd (Redwood City). Off Ramp blocked. Expect delays.

CHP : Traffic Collision on US-101 Southbound south of Gravenstein Hwy (Cotati). Lane blocked. Expect delays.

CHP : Traffic Hazard on US-101 Southbound north of Petaluma Blvd N (Petaluma). Lane affected. Expect delays.

CHP : Traffic Hazard on US-101 Southbound north of Asti Post Office Rd (Cloverdale). Lanes affected. Expect delays.

CHP : Traffic Collision on US-101 Southbound north of Golden Gate Bridge - South Tower (San Francisco). Right lane blocked. Expect delays.

CHP : Disabled vehicle on US-101 Southbound north of Embarcadero Rd (Palo Alto). Lane affected. Expect delays.

CHP : Brush fire on US-101 Southbound north of Cesar Chavez St (San Francisco). Right shoulder affected. Expect delays.

CHP : Fire on US-101 Southbound at Marsh Rd (Menlo Park). Off Ramp affected. Expect delays.

CHP : Fire on US-101 Southbound north of Woodside Rd (Redwood City). Lane affected. Expect delays.

CHP : Traffic Collision with Injuries on US-101 Southbound north of Whipple Ave (Redwood City). Right shoulder affected. Expect delays.

Frequently Asked Questions

Are accidents on US-101 S 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 on US-101 S in the last 7 days?

85 crashes were reported on US-101 S in the last 7 days.

What type of accident is most common on US-101 S?

Accident are the most frequently reported incident type on US-101 S based on recent data.

Where can I see all California accidents today?

A live feed of all active crashes across California is available on the California accidents today page.

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.