CA · Highway

US-101 N Accidents & Crashes

US-101 N has recorded 3,796 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 19 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 Nov. 4, 2026.

Breakdown by type: 2,847 accident, 813 construction, 2 other, 1 closure.

3,663

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

14

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 3,663 results

2847 accident 813 construction 2 other 1 closure

CHP : Traffic Hazard on US-101 Northbound south of Willow Rd (Menlo Park). Lane blocked. Expect delays.

Moderate Accident

San Mateo 30 minutes ago

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

Sonoma 3 hours, 15 minutes ago

CHP : Traffic Hazard on US-101 Northbound south of Bicentennial Way (Santa Rosa). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Sonoma 4 hours, 15 minutes ago

CHP : Traffic Hazard on US-101 Northbound south of Tamalpais Dr (Corte Madera). Lane affected. Expect delays.

Moderate Accident

Marin 5 hours, 30 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 Tuesday, November 03, 2026 to 5:00 AM Wednesday, November 04, 2026.

Santa Clara 9 hours ago

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

Sonoma 12 hours, 30 minutes ago

CHP : Disabled vehicle on US-101 Northbound south of Bellam Blvd (San Rafael). Lane affected. Expect delays.

Moderate Accident

Marin 15 hours ago

CHP : Traffic Collision on US-101 Northbound exiting at E 3RD Ave (San Mateo). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 17 hours ago

CHP : Disabled vehicle on US-101 Northbound north of S Airport Blvd (South San Francisco). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 17 hours, 30 minutes ago

CHP : Traffic Collision on US-101 Northbound south of S Airport Blvd (South San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Mateo 17 hours, 30 minutes ago

CHP : Traffic Collision on US-101 Northbound south of Redwood Shores Pky (San Carlos). Lane affected. Expect delays.

Moderate Accident

San Mateo 17 hours, 45 minutes ago

CHP : Traffic Collision on US-101 Northbound south of Redwood Shores Pky (San Carlos). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 19 hours ago

CHP : Traffic Collision on US-101 Northbound south of CA-12 W (Santa Rosa). Lane affected. Expect delays.

Moderate Accident

Sonoma 20 hours, 15 minutes ago

CHP : Traffic Collision on US-101 Northbound south of CA-12 E (Santa Rosa). Lane affected. Expect delays.

Moderate Accident

Sonoma 20 hours, 15 minutes ago

CHP : Traffic Collision on US-101 Northbound south of San Antonio Rd (Unincorporated). Left lanes blocked. Expect delays.

Sonoma 20 hours, 45 minutes ago

CHP : Traffic Hazard on US-101 Northbound at Golden Gate Bridge - Midspan (San Francisco). 2nd lane from the left affected. Expect delays.

San Francisco 21 hours ago

CHP : Traffic Collision on US-101 Northbound exiting at Tamalpais Dr (Corte Madera). Right lane blocked. Expect delays.

Moderate Accident

Marin 22 hours, 30 minutes ago

CHP : Traffic Collision on US-101 Northbound north of Mendocino Ave (Santa Rosa). Lane affected. Expect delays.

Moderate Accident

Sonoma 22 hours, 45 minutes ago

CHP : Traffic Collision with Injuries on US-101 Northbound north of College Ave (Santa Rosa). Left lanes blocked. Expect delays.

Sonoma 1 day ago

CHP : Traffic Collision on US-101 Northbound exiting at Rowland Blvd (Novato). Off Ramp affected. Expect delays.

Marin 1 day ago

CHP : Traffic Hazard on US-101 Northbound entering at N Lawrence Expy (Sunnyvale). On Ramp affected. Expect delays.

Santa Clara 1 day, 4 hours ago

CHP : Disabled vehicle on US-101 Northbound south of E 3RD Ave (San Mateo). Left lanes blocked. Expect delays.

Moderate Accident

San Mateo 1 day, 4 hours ago

Caltrans : Emergency roadwork on US-101 Northbound exiting at N Lawrence Expy (Sunnyvale). Off Ramp closed. Expect delays. From 6:45 AM Tuesday, November 03, 2026 to 12:00 AM Wednesday, November 04, 2026.

Santa Clara 1 day, 5 hours ago

CHP : Traffic Collision with Injuries on US-101 Northbound north of Cochrane Rd (Morgan Hill). Left and center lanes blocked. Expect delays.

Santa Clara 1 day, 5 hours ago

CHP : Traffic Collision on US-101 Northbound south of San Antonio Ave (Mountain View). Center lane affected. Expect delays.

Moderate Accident

Santa Clara 1 day, 6 hours ago

CHP : Downed pole on US-101 Northbound exiting at N Lawrence Expy (Sunnyvale). Off Ramp closed. Expect delays.

Santa Clara 1 day, 6 hours ago

Caltrans : Roadwork on US-101 Northbound entering at E 3RD Ave (San Mateo). On Ramp closed until 6 AM. From 9:00 PM Monday, November 02, 2026 to 6:00 AM Tuesday, November 03, 2026.

San Mateo 1 day, 8 hours ago

Caltrans : Roadwork on US-101 Northbound entering at E 3RD Ave (San Mateo). On Ramp closed until 6 AM. From 8:00 PM Monday, November 02, 2026 to 6:00 AM Tuesday, November 03, 2026.

San Mateo 1 day, 8 hours ago

Caltrans : Roadwork on US-101 Northbound between Woodside Rd (Redwood City) and Whipple Ave (Redwood City). Various lanes closed until 5 AM. From 10:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

San Mateo 1 day, 8 hours ago

Caltrans : Roadwork on US-101 Northbound between Tamalpais Dr (Corte Madera) and I-580 W (San Rafael). Lanes closed until 7 AM. From 10:00 PM Monday, November 02, 2026 to 7:00 AM Tuesday, November 03, 2026.

Marin 1 day, 8 hours ago

Caltrans : Roadwork on US-101 Northbound between Lincoln Ave (San Rafael) and Manuel t Freitas Pky (San Rafael). Lanes closed until 5 AM. From 11:00 PM Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

Marin 1 day, 8 hours ago

Caltrans : Roadwork on US-101 Northbound entering at E 3RD Ave (San Mateo). On Ramp closed until 6 AM. From 9:00 PM Monday, November 02, 2026 to 6:00 AM Tuesday, November 03, 2026.

San Mateo 1 day, 8 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 Monday, November 02, 2026 to 5:00 AM Tuesday, November 03, 2026.

Santa Clara 1 day, 10 hours ago

Caltrans : Roadwork on US-101 Northbound entering at 3RD ST (San Rafael) (San Rafael). On Ramp closed until 7 AM. From 12:00 AM Tuesday, November 03, 2026 to 7:00 AM Tuesday, November 03, 2026.

Marin 1 day, 10 hours ago

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

Marin 1 day, 13 hours ago

CHP : Traffic Collision on US-101 Northbound south of E Hillsdale Blvd (San Mateo). Left lanes blocked. Expect delays.

Moderate Accident

San Mateo 1 day, 14 hours ago

Caltrans : Roadwork on US-101 Northbound between CA-237 E (Sunnyvale) and Embarcadero Rd (Palo Alto). Lane closed until midnight. From 8:00 PM Monday, November 02, 2026 to 12:00 AM Tuesday, November 03, 2026.

Santa Clara 1 day, 14 hours ago

Caltrans : Roadwork on US-101 Northbound between E Hillsdale Blvd (San Mateo) and Kehoe Ave (San Mateo). Lanes closed until 4 AM. From 9:00 PM Monday, November 02, 2026 to 4:00 AM Tuesday, November 03, 2026.

San Mateo 1 day, 14 hours ago

CHP : Traffic Collision with Injuries on US-101 Northbound south of CA-92 W (San Mateo). 2nd lane from the left affected. Expect delays.

Moderate Accident

San Mateo 1 day, 14 hours ago

CHP : Traffic Hazard on US-101 Northbound south of Geyserville Ave (Geyserville). Lane blocked. Expect delays.

Moderate Accident

Sonoma 1 day, 17 hours ago

CHP : Traffic Collision with Injuries on US-101 Northbound at N San Pedro Rd (San Rafael). Right lane blocked. Expect delays.

Moderate Accident

Marin 1 day, 18 hours ago

Caltrans : Roadwork on US-101 Northbound entering at E Capitol Expy (San Jose). On Ramp closed until 3 PM. From 11:00 AM Monday, November 02, 2026 to 3:00 PM Monday, November 02, 2026.

Santa Clara 2 days ago

CHP : Disabled vehicle on US-101 Northbound at Dry Creek Rd (Healdsburg). 2nd lane from the left blocked. Expect delays.

Moderate Accident

Sonoma 2 days, 1 hour ago

CHP : Traffic Collision on US-101 Northbound north of Leavesley Rd (Gilroy). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 2 hours ago

CHP : Residual delays on US-101 Northbound entering at Blossom Hill Rd (San Jose). Right shoulder affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 2 hours ago

CHP : Traffic Hazard on US-101 Northbound east of Geyserville Ave (Geyserville). Lanes blocked. Expect delays.

Sonoma 2 days, 4 hours ago

CHP : Traffic Collision on US-101 Northbound at Alum Rock Ave (San Jose). Left lane blocked. Expect delays.

Moderate Accident

Santa Clara 2 days, 5 hours ago

CHP : Traffic Collision with Injuries on US-101 Northbound north of De Long Ave (Novato). Left lane blocked. Expect delays.

Moderate Accident

Marin 2 days, 6 hours ago

CHP : Traffic Hazard on US-101 Northbound at Rohnert Park Expy (Rohnert Park). On Ramp affected. Expect delays.

Sonoma 2 days, 13 hours ago

CHP : Traffic Hazard on US-101 Northbound at Monterey Hwy (Gilroy). Lane affected. Expect delays.

Moderate Accident

Santa Clara 2 days, 17 hours ago