CA · Highway

US-101 N Accidents & Crashes

US-101 N has recorded 3,671 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: 19 accident.

19

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

4

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 19 results

19 accident

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

Marin 13 minutes ago Live

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

San Francisco 43 minutes ago

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

Santa Clara 22 hours, 13 minutes 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 23 hours, 13 minutes ago

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

Marin 1 day, 17 hours ago

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

Marin 1 day, 23 hours ago

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

Marin 2 days, 2 hours ago

CHP : Severe traffic alert and Traffic Collision and Overturned vehicle on US-101 Northbound south of CA-92 W (San Mateo). Left and center lanes blocked. Expect delays.

San Mateo 2 days, 6 hours ago

CHP : Traffic Collision on US-101 Northbound entering at CA-92 W (San Mateo). On Ramp affected. Expect delays.

San Mateo 2 days, 8 hours ago

CHP : Flooding on US-101 Northbound ramp to CA-1 N (Sausalito). Connector ramp affected. Expect delays.

Marin 3 days ago

CHP : Traffic Hazard on US-101 Northbound exiting at Coyote Creek Golf Dr (San Jose). Off Ramp affected. Expect delays.

Santa Clara 3 days, 6 hours ago

CHP : Traffic Collision with Injuries on US-101 Northbound at Smith Ranch Rd (San Rafael). Off Ramp blocked. Expect delays.

Marin 3 days, 15 hours ago

CHP : Disabled vehicle on US-101 Northbound at Willow Rd (Menlo Park). Off Ramp blocked. Expect delays.

San Mateo 3 days, 19 hours ago

CHP : Traffic Hazard on US-101 Northbound at Tully Rd (San Jose). Off Ramp affected. Expect delays.

Santa Clara 3 days, 23 hours ago

CHP : Traffic Hazard on US-101 Northbound south of Mendocino Ave (Santa Rosa). Center lanes affected. Expect delays.

Sonoma 4 days, 1 hour ago

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

San Francisco 4 days, 17 hours ago

CHP : Traffic Hazard on US-101 Northbound south of Mark West Springs Rd (Unincorporated). Left and center lanes affected. Expect delays.

Sonoma 6 days, 2 hours ago

CHP : Traffic Hazard on US-101 Northbound at I-280 N-US-101 N Ramp (San Francisco). Off Ramp affected. Expect delays.

San Francisco 6 days, 7 hours ago

CHP : Traffic Collision on US-101 Northbound south of E Millbrae Ave (Millbrae). Off Ramp affected. Expect delays.

San Mateo 6 days, 16 hours ago