CA · Highway

CA-1 N Accidents & Crashes

CA-1 N has recorded 121 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 1 new crash were reported. The highest crash volumes are concentrated near San Mateo and Sonoma.

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 June 10, 2026.

Breakdown by type: 39 accident, 22 construction.

61

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 61 results

39 accident 22 construction

Caltrans : Roadwork on CA-1 Northbound at Valley Ford Freestone Rd (Valley Ford). Lane closed. One way traffic control in effect. From 8:00 AM Wednesday, June 10, 2026 to 6:00 PM Wednesday, June 10, 2026.

Sonoma 4 minutes ago Live

Caltrans : Roadwork on CA-1 Eastbound and Westbound at Dillon Beach Rd (Marshal). Lane closed. One way traffic control in effect. From 9:00 AM Monday, June 08, 2026 to 3:00 PM Monday, June 08, 2026.

Santa Cruz 1 day, 20 hours ago

CHP : Traffic Collision on CA-1 Northbound north of Old Devil's Slide Hwy (Pacifica). Right lane blocked. Expect delays.

San Mateo 2 days, 19 hours ago

Caltrans : Roadwork on CA-1 Northbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 9:00 PM Friday, June 05, 2026 to 6:00 AM Saturday, June 06, 2026.

San Mateo 4 days, 5 hours ago

CHP : Vehicle fire on CA-1 Northbound south of US-101 N (san Francisco) (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 5 days, 3 hours ago

Caltrans : Roadwork on CA-1 Northbound at Bridgeway (Sausalito). Lane closed until 3 PM. From 9:00 AM Thursday, June 04, 2026 to 3:00 PM Thursday, June 04, 2026.

Marin 5 days, 20 hours ago

CHP : Traffic Hazard on CA-1 Northbound north of Almonte Blvd (Unincorporated). Lane blocked. Expect delays.

Marin 6 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 7 AM. From 6:00 PM Wednesday, June 03, 2026 to 7:00 AM Thursday, June 04, 2026.

San Mateo 6 days, 5 hours ago

Caltrans : Roadwork on CA-1 Northbound and Southbound at Valley Ford Rd (Valley Ford). Lane closed. One way traffic control in effect. From 9:00 AM Wednesday, June 03, 2026 to 3:00 PM Wednesday, June 03, 2026.

Sonoma 6 days, 20 hours ago

Caltrans : Roadwork on CA-1 Northbound and Southbound at Valley Ford Rd (Valley Ford). Lane closed. One way traffic control in effect. From 9:00 AM Tuesday, June 02, 2026 to 3:00 PM Tuesday, June 02, 2026.

Sonoma 1 week ago

CHP : Traffic Hazard on CA-1 Northbound entering at Skyline Blvd (Daly City). Left lane affected. Expect delays.

Moderate Accident

San Mateo 1 week, 1 day ago

CHP : Traffic Collision with Injuries on CA-1 Northbound south of I-280 N-CA-1 N Split (Daly City). Right lanes blocked. Expect delays.

Moderate Accident

San Mateo 1 week, 2 days ago

CHP : Disabled vehicle on CA-1 Northbound south of US-101 N (san Francisco) (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 1 week, 2 days ago

CHP : Traffic Collision with Injuries on CA-1 Northbound at Bonny Doon Rd (Unincorporated). Lane affected. Expect delays.

Santa Cruz 1 week, 3 days ago

CHP : Residual delays on CA-1 Northbound at Almonte Blvd (Unincorporated). Right shoulder affected. Expect delays.

Marin 1 week, 3 days ago

CHP : Traffic Hazard on CA-1 Northbound at Stewarts Point Skaggs Springs Rd (Unincorporated). Lanes affected. Expect delays.

Sonoma 1 week, 5 days ago

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

Marin 1 week, 5 days ago

CHP : Residual delays on CA-1 Northbound ramp to CA-17 S (Santa Cruz). All lanes open. Expect delays.

Santa Cruz 1 week, 6 days ago

CHP : Residual delays on CA-1 Northbound ramp to CA-17 N (Santa Cruz). All lanes open. Expect delays.

Santa Cruz 1 week, 6 days ago

Caltrans : Roadwork on CA-1 Northbound between Sloat Blvd (San Francisco) and Fulton St (San Francisco). Lane closed until 5 AM. From 9:00 PM Wednesday, May 27, 2026 to 5:00 AM Thursday, May 28, 2026.

San Francisco 1 week, 6 days ago

CHP : Traffic Collision on CA-1 Northbound at Capistrano Rd (El Granada). Lanes blocked. Expect delays.

San Mateo 2 weeks, 1 day ago

Caltrans : Roadwork on CA-1 Northbound between Sloat Blvd (San Francisco) and Fulton St (San Francisco). Lane closed until 5 AM. From 9:00 PM Monday, May 25, 2026 to 5:00 AM Tuesday, May 26, 2026.

San Francisco 2 weeks, 1 day ago

CHP : Disabled vehicle on CA-1 Northbound south of CA-17 S (Santa Cruz). Left lane affected. Expect delays.

Santa Cruz 2 weeks, 1 day ago

CHP : Residual delays on CA-1 Northbound north of US-101 N (san Francisco) (San Francisco). Right shoulder affected. Expect delays.

Moderate Accident

San Francisco 2 weeks, 1 day ago

CHP : Traffic Hazard on CA-1 Northbound north of Monterey Rd (Pacifica). Lanes affected. Expect delays.

San Mateo 2 weeks, 1 day ago

CHP : Traffic Hazard on CA-1 Northbound south of CA-17 S (Santa Cruz). Lanes affected. Expect delays.

Santa Cruz 2 weeks, 1 day ago

Caltrans : Roadwork on CA-1 Northbound and Southbound between Brotherhood Way (San Francisco) and Sloat Blvd (San Francisco). All lanes closed. Avoid the area. From 7:00 AM Friday, May 22, 2026 to 10:00 AM Monday, May 25, 2026.

San Francisco 2 weeks, 2 days ago

CHP : Traffic Hazard on CA-1 Eastbound and Westbound at Dillon Beach Rd (Marshal). Lanes affected. Expect delays.

Santa Cruz 2 weeks, 2 days ago

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

Marin 2 weeks, 2 days ago

CHP : Traffic Collision on CA-1 Northbound south of Milagra Dr (Pacifica). Center Divider affected. Expect delays.

San Mateo 2 weeks, 2 days ago

CHP : Residual delays on CA-1 Eastbound and Westbound north of Seascape Dr (Muir Beach Overlook) (Unincorporated). All lanes open. Expect delays.

Marin 2 weeks, 3 days ago

CHP : Traffic Hazard on CA-1 Northbound north of CA-17 S (Santa Cruz). Lane affected. Expect delays.

Santa Cruz 2 weeks, 4 days ago

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

Marin 2 weeks, 4 days ago

CHP : Traffic Hazard on CA-1 Northbound south of CA-17 S (Santa Cruz). Lanes affected. Expect delays.

Santa Cruz 2 weeks, 5 days ago

Caltrans : Roadwork on CA-1 Northbound between Brotherhood Way (San Francisco) and Sloat Blvd (San Francisco). Lanes closed until 10 PM. From 7:00 AM Friday, May 22, 2026 to 10:00 PM Monday, May 25, 2026.

San Francisco 2 weeks, 5 days ago

Caltrans : Roadwork on CA-1 Northbound and Southbound at Valley Ford Rd (Valley Ford). Lane closed. One way traffic control in effect. From 8:00 AM Thursday, May 21, 2026 to 6:00 PM Thursday, May 21, 2026.

Sonoma 2 weeks, 5 days ago

CHP : Traffic Hazard on CA-1 Northbound at Carlos St (Moss Beach). Lane affected. Expect delays.

San Mateo 2 weeks, 5 days ago

CHP : Traffic Hazard on CA-1 Northbound north of Skyline Blvd (Daly City). Right lane affected. Expect delays.

Moderate Accident

San Mateo 2 weeks, 6 days ago

CHP : Traffic Hazard on CA-1 Northbound ramp to I-280 N-CA-1 N Split (Daly City). Center lane blocked. Expect delays.

Moderate Accident

San Mateo 2 weeks, 6 days ago

CHP : Traffic Collision on CA-1 Northbound south of I-280 N (Daly City). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 2 weeks, 6 days ago

Caltrans : Roadwork on CA-1 Northbound at Sloat Blvd (San Francisco). Right lane and shoulder closed until 5 AM. From 9:00 PM Wednesday, May 20, 2026 to 5:00 AM Thursday, May 21, 2026.

San Francisco 2 weeks, 6 days ago

Caltrans : Roadwork on CA-1 Northbound and Southbound at Valley Ford Rd (Valley Ford). Lane closed. One way traffic control in effect. From 8:00 AM Wednesday, May 20, 2026 to 6:00 PM Wednesday, May 20, 2026.

Sonoma 2 weeks, 6 days ago

Caltrans : Roadwork on CA-1 Northbound at Stewarts Point Skaggs Springs Rd (Unincorporated). Lane closed. One way traffic control in effect. From 8:00 AM Wednesday, May 20, 2026 to 6:00 PM Wednesday, May 20, 2026.

Sonoma 2 weeks, 6 days ago

Caltrans : Roadwork on CA-1 Northbound at Sloat Blvd (San Francisco). Lane closed until 3 PM. From 7:00 AM Wednesday, May 20, 2026 to 3:00 PM Wednesday, May 20, 2026.

San Francisco 2 weeks, 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 Monday, May 18, 2026 to 6:00 AM Tuesday, May 19, 2026.

San Mateo 3 weeks, 1 day ago

CHP : Traffic Collision with Injuries on CA-1 Northbound south of Swanton Rd (Unincorporated). Lane affected. Expect delays.

Santa Cruz 3 weeks, 1 day ago

Caltrans : Roadwork on CA-1 Northbound and Southbound at Valley Ford Rd (Valley Ford). Lane closed. One way traffic control in effect. From 8:00 AM Monday, May 18, 2026 to 6:00 PM Monday, May 18, 2026.

Sonoma 3 weeks, 1 day ago

CHP : Traffic Hazard on CA-1 Northbound south of CA-17 S (Santa Cruz). Left lane affected. Expect delays.

Santa Cruz 3 weeks, 2 days ago

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

Moderate Accident

Santa Cruz 3 weeks, 2 days ago

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

Moderate Accident

Santa Cruz 3 weeks, 2 days ago