CA · Highway

US-101 N Accidents & Crashes

US-101 N has recorded 3,674 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 18 new crashes were reported. The highest crash volumes are concentrated near Santa Clara and San Mateo.

Data is sourced from the California Crash Records System (CCRS), maintained by the California Highway Patrol and updated daily, and the CA 511 live incident feed, refreshed every 15 minutes. Records include crash severity, injury data, vehicle information, and precise geographic coordinates. Last updated Oct. 29, 2026.

Breakdown by type: 2,755 accident, 786 construction, 2 other, 1 closure.

3,544

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

3

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on US-101 N. Click a marker to view details.

Crash Records

US-101 N Incidents 3,544 results

2755 accident 786 construction 2 other 1 closure

CHP : Disabled vehicle on US-101 Northbound north of Whipple Ave (Redwood City). 2nd lane from the left affected. Expect delays.

Moderate Accident

San Mateo 3 minutes ago Live

CHP : Residual delays on US-101 Northbound north of I-680 N (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 18 minutes ago

CHP : Residual delays on US-101 Northbound ramp to CA-1 N (Sausalito). All lanes open. Expect delays.

Marin 18 minutes ago

CHP : Traffic Hazard on US-101 Northbound south of Windsor River Rd (Windsor). Right lane affected. Expect delays.

Moderate Accident

Sonoma 1 hour, 48 minutes ago

CHP : Flooding on US-101 Northbound exiting at Bay Shore Blvd (San Francisco). Off Ramp affected. Expect delays.

San Francisco 3 hours, 3 minutes ago

CHP : Traffic Collision with Injuries on US-101 Northbound north of Masten Ave (Gilroy). Lane affected. Expect delays.

Moderate Accident

Santa Clara 10 hours, 3 minutes ago

CHP : Traffic Collision on US-101 Northbound south of W Railroad Ave (Cotati). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Sonoma 10 hours, 33 minutes ago

CHP : Traffic Collision with Injuries on US-101 Northbound south of Tennant Ave (Morgan Hill). Center lanes blocked. Expect delays.

Moderate Accident

Santa Clara 10 hours, 48 minutes ago

CHP : Disabled vehicle on US-101 Northbound south of Coyote Creek Golf Dr (San Jose). 2nd lane from the left affected. Expect delays.

Moderate Accident

Santa Clara 11 hours, 48 minutes ago

Caltrans : Roadwork on US-101 Northbound between Lincoln Ave (San Rafael) and Manuel t Freitas Pky (San Rafael). Lanes closed until 6 AM. From 10:00 PM Wednesday, October 28, 2026 to 6:00 AM Thursday, October 29, 2026.

Marin 13 hours, 18 minutes ago

Caltrans : Roadwork on US-101 Northbound entering at Smith Ranch Rd (San Rafael). On Ramp closed until 7 AM. From 12:00 AM Thursday, October 29, 2026 to 7:00 AM Thursday, October 29, 2026.

Marin 13 hours, 33 minutes ago

Caltrans : Roadwork on US-101 Northbound entering at Smith Ranch Rd (San Rafael). On Ramp closed until 7 AM. From 12:00 AM Thursday, October 29, 2026 to 7:00 AM Thursday, October 29, 2026.

Marin 13 hours, 33 minutes ago

Caltrans : Roadwork on US-101 Northbound entering at E Hillsdale Blvd (San Mateo). On Ramp closed until 6 AM. From 9:00 PM Wednesday, October 28, 2026 to 6:00 AM Thursday, October 29, 2026.

San Mateo 13 hours, 48 minutes ago

Caltrans : Roadwork on US-101 Northbound exiting at 3RD ST (santa Rosa) (Santa Rosa). Off Ramp closed until 5 AM. From 9:00 PM Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Sonoma 14 hours, 3 minutes ago

Caltrans : Roadwork on US-101 Northbound between Yolanda Ave (Santa Rosa) and Steele Ln (Santa Rosa). Right lane and shoulder closed until 5 AM. From 9:00 PM Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Sonoma 14 hours, 3 minutes ago

Caltrans : Roadwork on US-101 Northbound between Canyon Rd (Geyserville) and Asti Post Office Rd (Cloverdale). Right lane and shoulder closed until 5 AM. From 9:00 PM Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Sonoma 14 hours, 3 minutes ago

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 7:00 PM Wednesday, October 28, 2026 to 5:00 AM Thursday, October 29, 2026.

Santa Clara 15 hours, 3 minutes ago

Caltrans : Roadwork on US-101 Northbound entering at Manuel t Freitas Pky (San Rafael). On Ramp closed until midnight. From 7:00 PM Wednesday, October 28, 2026 to 12:00 AM Thursday, October 29, 2026.

Marin 19 hours, 18 minutes ago

CHP : Traffic Hazard on US-101 Northbound south of Coyote Creek Golf Dr (San Jose). Lanes affected. Expect delays.

Santa Clara 1 day ago

CHP : Grass fire on US-101 Northbound entering at E Capitol Expy (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 1 day, 1 hour ago

CHP : Traffic Collision with Injuries and Overturned vehicle on US-101 Northbound exiting at 3RD ST (San Rafael) (San Rafael). Off Ramp blocked. Expect delays.

Marin 1 day, 1 hour ago

CHP : Traffic Collision on US-101 Northbound south of Coyote Creek Golf Dr (San Jose). Right lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 2 hours ago

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

Moderate Accident

Santa Clara 1 day, 3 hours ago

CHP : Traffic Hazard on US-101 Northbound north of Tiburon Blvd (Mill Valley). Lanes affected. Expect delays.

Moderate Accident

Marin 1 day, 6 hours ago

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

San Mateo 1 day, 7 hours ago

CHP : Traffic Collision on US-101 Northbound south of E 3RD Ave (San Mateo). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 day, 7 hours ago

CHP : Traffic Hazard on US-101 Northbound north of Old Bayshore Hwy (San Jose). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 9 hours ago

CHP : Traffic Hazard on US-101 Northbound south of Ralston Ave (Belmont). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 1 day, 10 hours ago

CHP : Disabled vehicle on US-101 Northbound south of I-880 S (San Jose). Lane blocked. Expect delays.

Moderate Accident

Santa Clara 1 day, 12 hours ago

Caltrans : Roadwork on US-101 Northbound exiting at E Hillsdale Blvd (San Mateo). Off Ramp closed until 7 AM. From 10:00 PM Tuesday, October 27, 2026 to 7:00 AM Wednesday, October 28, 2026.

San Mateo 1 day, 12 hours ago

Caltrans : Roadwork on US-101 Northbound between Lincoln Ave (San Rafael) and Manuel t Freitas Pky (San Rafael). Lanes closed until 6 AM. From 10:00 PM Tuesday, October 27, 2026 to 6:00 AM Wednesday, October 28, 2026.

Marin 1 day, 13 hours ago

Caltrans : Roadwork on US-101 Northbound entering at Smith Ranch Rd (San Rafael). On Ramp closed until 7 AM. From 12:00 AM Wednesday, October 28, 2026 to 7:00 AM Wednesday, October 28, 2026.

Marin 1 day, 13 hours ago

Caltrans : Roadwork on US-101 Northbound entering at Smith Ranch Rd (San Rafael). On Ramp closed until 7 AM. From 12:00 AM Wednesday, October 28, 2026 to 7:00 AM Wednesday, October 28, 2026.

Marin 1 day, 13 hours ago

Caltrans : Roadwork on US-101 Northbound exiting at Smith Ranch Rd (San Rafael). Off Ramp closed until 7 AM. From 3:00 AM Wednesday, October 28, 2026 to 7:00 AM Wednesday, October 28, 2026.

Marin 1 day, 13 hours ago

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 7:00 PM Tuesday, October 27, 2026 to 5:00 AM Wednesday, October 28, 2026.

Santa Clara 1 day, 15 hours ago

Caltrans : Roadwork on US-101 Northbound between Cesar Chavez St (San Francisco) and I-80 E (San Francisco). Lane closed until 6 AM. From 9:30 PM Tuesday, October 27, 2026 to 6:00 AM Wednesday, October 28, 2026.

San Francisco 1 day, 15 hours ago

CHP : Traffic Collision on US-101 Northbound at Manuel t Freitas Pky (San Rafael). Lane affected. Expect delays.

Moderate Accident

Marin 1 day, 16 hours ago

Caltrans : Roadwork on US-101 Northbound entering at CA-92 W (San Mateo). On Ramp closed until 6 AM. From 8:00 PM Tuesday, October 27, 2026 to 6:00 AM Wednesday, October 28, 2026.

San Mateo 1 day, 18 hours ago

Caltrans : Roadwork on US-101 Northbound entering at Manuel t Freitas Pky (San Rafael). On Ramp closed until midnight. From 7:00 PM Tuesday, October 27, 2026 to 12:00 AM Wednesday, October 28, 2026.

Marin 1 day, 19 hours ago

CHP : Flooding on US-101 Northbound exiting at Seminary Dr (Mill Valley). Off Ramp blocked. Expect delays.

Marin 1 day, 20 hours ago

CHP : Flooding on US-101 Northbound ramp to CA-1 N (Sausalito). All lanes closed. Avoid the area.

Marin 2 days, 1 hour ago

CHP : Traffic Collision on US-101 Northbound south of E Todd Rd (Santa Rosa). Lane affected. Expect delays.

Moderate Accident

Sonoma 2 days, 1 hour ago

CHP : Traffic Hazard on US-101 Northbound north of San Bruno Ave E (San Bruno). HOV affected. Expect delays.

Moderate Accident

San Mateo 2 days, 2 hours ago

CHP : Disabled vehicle on US-101 Northbound south of CA-92 W (San Mateo). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 2 days, 2 hours ago

CHP : Traffic Collision on US-101 Northbound north of Smith Ranch Rd (San Rafael). Left lanes blocked. Expect delays.

Moderate Accident

Marin 2 days, 3 hours ago

CHP : Disabled tractor trailer on US-101 Northbound ramp to I-280 N (San Francisco). Right lane blocked. Expect delays.

Moderate Accident

San Francisco 2 days, 4 hours ago

CHP : Traffic Hazard on US-101 Northbound south of Cesar Chavez St (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 2 days, 4 hours ago

CHP : Flooding on US-101 Northbound exiting at Seminary Dr (Mill Valley). Off Ramp affected. Expect delays.

Marin 2 days, 5 hours ago

Caltrans : Roadwork on US-101 Northbound exiting at Berryessa Rd (San Jose). Off Ramp closed until 3-30 PM. From 9:45 AM Tuesday, October 27, 2026 to 3:30 PM Tuesday, October 27, 2026.

Santa Clara 2 days, 5 hours ago

Caltrans : Roadwork on US-101 Northbound between Mckee Rd (San Jose) and Oakland Rd (San Jose). Right lane and shoulder closed until 3-30 PM. From 9:30 AM Tuesday, October 27, 2026 to 3:30 PM Tuesday, October 27, 2026.

Santa Clara 2 days, 5 hours ago