US-101 · Last 48 Hours

US-101 Accident Today

34 accidents on US-101 in the last 24 hours · 71 in 48 hours · updated July 27, 2026 9:10 PM PDT

34

Last 24h

71

Last 48h

13

High Severity

198

This Week

69

Accident

2

Construction

7-Day Trend

198 crashes

↓ Fewer than last week

198 crashes in the last 7 days, down 50% vs the previous week.

Last hour

4 incidents

10m ago 9:00 PM

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

40m ago 8:30 PM

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

40m ago 8:30 PM

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

55m ago 8:15 PM

CHP : Traffic Collision on US-101 Northbound south of Kastania Rd (Unincorporated). Lane affected. Expect delays.

Last 6 hours

15 incidents

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.

CHP : Traffic Hazard on US-101 Northbound south of Tully Rd (San Jose). Left and center lanes blocked. Expect delays.

CHP : Fire on US-101 Northbound north of CA-1 N (Sausalito). Lane affected. Expect delays.

CHP : Residual delays on US-101 Northbound south of Peninsula Ave (San Mateo). All lanes open. Expect delays.

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

CHP : Fire on US-101 Northbound at Seminary Dr (Mill Valley). Left shoulder affected. Expect delays.

CHP : Disabled vehicle on US-101 Northbound south of E Millbrae Ave (Millbrae). 2nd lane from the left blocked. Expect delays.

CHP : Traffic Hazard on US-101 Northbound south of E Millbrae Ave (Millbrae). Left and center lanes affected. Expect delays.

CHP : Traffic Hazard on US-101 Northbound north of 3RD ST (San Rafael) (San Rafael). Center lanes affected. Expect delays.

CHP : Traffic Hazard on US-101 Northbound south of CA-1 S (San Francisco). Left lane affected. Expect delays.

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

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

CHP : Traffic Collision with Injuries on US-101 Northbound north of Wilfred Ave (Rohnert Park). Left lanes blocked. 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.

6–12 hours ago

8 incidents

10h ago 10:30 AM

CHP : Residual delays on US-101 Northbound exiting at Woodside Rd (Redwood City). All lanes open. Expect delays.

10h ago 10:30 AM

CHP : Traffic Collision on US-101 Northbound south of N Shoreline Blvd (Mountain View). Left lane blocked. Expect delays.

11h ago 10:00 AM

CHP : Traffic Collision on US-101 Northbound south of Moffett Blvd (Mountain View). Left lane blocked. Expect delays.

11h ago 10:00 AM

CHP : Traffic Collision with Injuries on US-101 Northbound north of Moffett Blvd (Mountain View). Left lane blocked. Expect delays.

11h ago 10:00 AM

CHP : Disabled vehicle on US-101 Northbound south of Peninsula Ave (San Mateo). Right lane affected. Expect delays.

11h ago 9:30 AM

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

11h ago 9:15 AM

CHP : Traffic Collision with Injuries on US-101 Northbound exiting at Woodside Rd (Redwood City). Off Ramp closed. Expect delays.

11h ago 9:15 AM

CHP : Disabled vehicle on US-101 Northbound ramp to Guadalupe Pky (San Jose). Lane affected. Expect delays.

12–24 hours ago

7 incidents

13h ago 7:45 AM

CHP : Residual delays on US-101 Northbound south of Moffett Blvd (Mountain View). All lanes open. Expect delays.

14h ago 6:30 AM

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

15h ago 6:00 AM

CHP : Severe traffic alert and Traffic Collision with Injuries on US-101 Northbound north of Sierra Point Pky (Brisbane). Right and left lanes blocked. Expect delays.

17h 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.

17h ago 3:45 AM

Caltrans : Roadwork on US-101 Northbound between Metcalf Rd (San Jose) and CA-85 N (san Jose) (San Jose). Various lanes closed until 5 AM. From 8:00 PM Sunday, July 26, 2026 to 5:00 AM Monday, July 27, 2026.

17h ago 3:30 AM

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

23h ago 9:30 PM

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

24–48 hours ago

37 incidents

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

CHP : Traffic Hazard on US-101 Northbound at Tiburon Blvd (Mill Valley). Off Ramp blocked. Expect delays.

CHP : Traffic Collision on US-101 Northbound at CA-85 N (san Jose) (San Jose). Lane affected. Expect delays.

CHP : Traffic Hazard on US-101 Northbound south of Moffett Blvd (Mountain View). Center lanes affected. 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 Northbound south of E Washington St (Petaluma). 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 : Disabled vehicle on US-101 Northbound south of Lytton Springs Rd (Unincorporated). 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 : Residual delays on US-101 Northbound south of I-880 N (San Jose). Right shoulder affected. Expect delays.

CHP : Traffic Collision on US-101 Northbound south of I-280 N-US-101 N Ramp (San Francisco). On Ramp blocked. Expect delays.

CHP : Disabled vehicle on US-101 Northbound south of CA-1 N (Sausalito). Right shoulder affected. Expect delays.

CHP : Traffic Collision with Injuries on US-101 Northbound entering at Cesar Chavez St (San Francisco). Left lanes blocked. Expect delays.

CHP : Traffic Hazard on US-101 Northbound exiting at Hellyer Ave (San Jose). Off Ramp blocked. Expect delays.

CHP : Traffic Collision on US-101 Northbound at Oakland Rd (San Jose). Right lane blocked. Expect delays.

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

CHP : Traffic Hazard on US-101 Northbound north of Moffett Blvd (Mountain View). Left lane affected. Expect delays.

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

1d ago 12:45 PM

CHP : Traffic Hazard on US-101 Northbound ramp to I-680 S (San Jose). Right lane blocked. Expect delays.

1d ago 12:00 PM

CHP : Traffic Hazard on US-101 Northbound south of Tennant Ave (Morgan Hill). Lanes affected. Expect delays.

1d ago 11:45 AM

CHP : Traffic Collision on US-101 Northbound north of Lakeville Hwy (Petaluma). Lane affected. Expect delays.

1d ago 11:30 AM

CHP : Traffic Collision on US-101 Northbound south of Ralston Ave (Belmont). Lane blocked. Expect delays.

1d ago 11:15 AM

CHP : Disabled vehicle on US-101 Northbound north of Atherton Ave (Novato). Center Divider blocked. Expect delays.

1d ago 10:00 AM

CHP : Traffic Hazard on US-101 Northbound north of Cochrane Rd (Morgan Hill). Lanes affected. Expect delays.

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

CHP : Traffic Hazard on US-101 Northbound south of Masten Ave (Gilroy). Lane affected. Expect delays.

CHP : Traffic Hazard on US-101 Northbound at Tiburon Blvd (Mill Valley). Right lane affected. Expect delays.

CHP : Traffic Collision on US-101 Northbound at San Antonio Ave (Mountain View). On Ramp 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 : Disabled vehicle on US-101 Northbound south of Seminary Dr (Mill Valley). Lane blocked. Expect delays.

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

CHP : Disabled vehicle on US-101 Southbound north of Windsor River Rd (Windsor). Lane affected. Expect delays.

CHP : Vehicle fire on US-101 Northbound south of Kastania Rd (Unincorporated). Right shoulder affected. Expect delays.

Frequently Asked Questions

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

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

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

Accident are the most frequently reported incident type on US-101 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.