CA · Highway

CA-1 N Accidents & Crashes

CA-1 N has recorded 23 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 2 new crashes were reported. The highest crash volumes are concentrated near San Mateo and Marin.

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 April 22, 2026.

Breakdown by type: 18 accident, 5 construction.

23

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

1

Today

Reported since midnight

Today's Accidents Today's Fatalities

Crash locations on CA-1 N. Click a marker to view details.

Crash Records

CA-1 N Incidents 23 results

18 accident 5 construction

CHP : Traffic Hazard on CA-1 Northbound north of D St (Daly City). Lane affected. Expect delays.

Moderate Accident

San Mateo 5 hours, 46 minutes ago

CHP : Traffic Hazard on CA-1 Northbound south of Milagra Dr (Pacifica). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 10 hours, 1 minute ago

CHP : Traffic Hazard on CA-1 Northbound south of Devil's Slide Trail (Pacifica). Lanes affected. Expect delays.

San Mateo 1 day, 9 hours ago

Caltrans : Roadwork on CA-1 Northbound between Brotherhood Way (San Francisco) and Sloat Blvd (San Francisco). Lane closed until 5 AM. From 9:00 PM Monday, April 20, 2026 to 5:00 AM Tuesday, April 21, 2026.

San Francisco 2 days, 1 hour ago

Caltrans : Roadwork on CA-1 Northbound at Bay St (Santa Cruz). Lane closed until 3 PM. From 9:00 AM Monday, April 20, 2026 to 3:00 PM Monday, April 20, 2026.

Santa Cruz 2 days, 11 hours ago

CHP : Traffic Collision on CA-1 Northbound south of Panoramic Hwy (Unincorporated). Right shoulder affected. Expect delays.

Marin 4 days, 7 hours ago

CHP : Residual delays on CA-1 Northbound south of Almonte Blvd (Unincorporated). All lanes open. Expect delays.

Marin 5 days, 4 hours ago

CHP : Residual delays on CA-1 Northbound and Southbound north of Stewarts Point Skaggs Springs Rd (Unincorporated). All lanes open. Expect delays.

Sonoma 5 days, 5 hours ago

CHP : Traffic Collision with Injuries on CA-1 Northbound north of Santa Cruz County Line (Unincorporated). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 week, 3 days ago

CHP : Traffic Collision with Injuries on CA-1 Eastbound and Westbound south of Fairfax - Bolinas Rd (Marin). Lane blocked. Expect delays.

Moderate Accident

Santa Cruz 1 week, 4 days ago

CHP : Residual delays on CA-1 Northbound north of Gravenstein Hwy (Valley Ford). All lanes open. Expect delays.

Sonoma 1 week, 4 days ago

CHP : Traffic Hazard on CA-1 Northbound at Panoramic Hwy (Unincorporated). Lane affected. Expect delays.

Marin 1 week, 4 days ago

CHP : Traffic Hazard on CA-1 Northbound south of Carlos St (Moss Beach). Lane blocked. Expect delays.

San Mateo 1 week, 5 days ago

CHP : Traffic Hazard on CA-1 Northbound south of Higgins Canyon Rd (Half Moon Bay). Lane affected. Expect delays.

San Mateo 1 week, 6 days ago

CHP : Residual delays on CA-1 Northbound south of Gravenstein Hwy (Valley Ford). All lanes open. Expect delays.

Sonoma 1 week, 6 days ago

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-1 Northbound north of Sir Francis Drake Blvd (Olema). One way traffic control is in effect. Expect delays.

Marin 1 week, 6 days ago

Caltrans : Roadwork on CA-1 Northbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 8:00 PM Wednesday, April 08, 2026 to 6:00 AM Thursday, April 09, 2026.

San Mateo 1 week, 6 days ago

Caltrans : Roadwork on CA-1 Northbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 8:00 PM Tuesday, April 07, 2026 to 6:00 AM Wednesday, April 08, 2026.

San Mateo 2 weeks ago

Caltrans : Roadwork on CA-1 Northbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 8:00 PM Monday, April 06, 2026 to 6:00 AM Tuesday, April 07, 2026.

San Mateo 2 weeks, 1 day ago

CHP : Traffic Collision on CA-1 Northbound at CA-17 S (Santa Cruz). Lanes affected. Expect delays.

Santa Cruz 2 weeks, 4 days ago

CHP : Traffic Collision on CA-1 Northbound north of Linda Mar Blvd (Pacifica). Lane affected. Expect delays.

Moderate Accident

San Mateo 2 weeks, 4 days ago

CHP : Disabled vehicle on CA-1 Northbound north of Linda Mar Blvd (Pacifica). Left lane blocked. Expect delays.

Moderate Accident

San Mateo 2 weeks, 4 days ago

CHP : Residual delays on CA-1 Northbound north of Gravenstein Hwy (Valley Ford). All lanes open. Expect delays.

Sonoma 2 weeks, 4 days ago