CA · Highway

CA-1 N Accidents & Crashes

CA-1 N has recorded 416 traffic crashes in California since 2024, with no fatalities on record. In the last 24 hours, 3 new crashes 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 Oct. 26, 2026.

Breakdown by type: 34 accident, 32 construction.

66

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

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 66 results

34 accident 32 construction

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

Santa Cruz 14 hours, 51 minutes ago

Caltrans : Roadwork on CA-1 Northbound at Bonny Doon Rd (Unincorporated). Right shoulder closed until 4 PM. From 9:00 AM Monday, October 26, 2026 to 4:00 PM Monday, October 26, 2026.

Santa Cruz 20 hours, 6 minutes ago

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

San Mateo 23 hours, 21 minutes ago

CHP : Residual delays on CA-1 Northbound and Southbound at Muir Woods Rd (Unincorporated). All lanes open. Expect delays.

Marin 1 day, 12 hours ago

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

Santa Cruz 1 day, 21 hours ago

CHP : Traffic Collision with Injuries on CA-1 Northbound north of 1st St (Montara). Right shoulder affected. Expect delays.

San Mateo 2 days, 15 hours ago

CHP : Disabled vehicle on CA-1 Northbound at Serramonte Blvd (Daly City). Right lane blocked. Expect delays.

Moderate Accident

San Mateo 3 days, 13 hours ago

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

Santa Cruz 3 days, 19 hours ago

Caltrans : Roadwork on CA-1 Northbound at Bonny Doon Rd (Unincorporated). Right shoulder closed until 4 PM. From 9:00 AM Thursday, October 22, 2026 to 4:00 PM Thursday, October 22, 2026.

Santa Cruz 4 days, 16 hours ago

CHP : Fire on CA-1 Northbound at Geary Blvd (San Francisco). Lane blocked. Expect delays.

Moderate Accident

San Francisco 5 days, 13 hours ago

Caltrans : Roadwork on CA-1 Northbound at Brotherhood Way (San Francisco). Lane closed until 10 PM. From 4:00 PM Wednesday, October 21, 2026 to 10:00 PM Wednesday, October 21, 2026.

San Francisco 5 days, 13 hours ago

Caltrans : Roadwork on CA-1 Northbound at Bonny Doon Rd (Unincorporated). Right shoulder closed until 4 PM. From 9:00 AM Wednesday, October 21, 2026 to 4:00 PM Wednesday, October 21, 2026.

Santa Cruz 5 days, 19 hours ago

Caltrans : Roadwork on CA-1 Northbound at Bonny Doon Rd (Unincorporated). Right shoulder closed until 4 PM. From 9:00 AM Tuesday, October 20, 2026 to 4:00 PM Tuesday, October 20, 2026.

Santa Cruz 6 days, 21 hours ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lanes closed until 6 AM. From 8:00 PM Monday, October 19, 2026 to 6:00 AM Tuesday, October 20, 2026.

San Mateo 1 week ago

CHP : Disabled vehicle on CA-1 Northbound at Linda Mar Blvd (Pacifica). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 week, 1 day ago

CHP : Traffic Hazard on CA-1 Eastbound and Westbound north of Seascape Dr (Muir Beach Overlook) (Unincorporated). Lane affected. Expect delays.

Marin 1 week, 1 day ago

CHP : Traffic Collision with Injuries on CA-1 Northbound east of Valley Ford Freestone Rd (Valley Ford). Lane affected. Expect delays.

Sonoma 1 week, 2 days ago

CHP : Traffic Hazard on CA-1 Northbound north of Sloat Blvd (San Francisco). Lane affected. Expect delays.

Moderate Accident

San Francisco 1 week, 2 days ago

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

Moderate Accident

Santa Cruz 1 week, 2 days ago

CHP : Traffic Hazard on CA-1 Northbound north of Swanton Rd (Unincorporated). Lane affected. Expect delays.

Santa Cruz 1 week, 3 days ago

CHP : Traffic Hazard on CA-1 Northbound south of Milagra Dr (Pacifica). Lane affected. Expect delays.

Moderate Accident

San Mateo 1 week, 4 days ago

Caltrans : Roadwork on CA-1 Northbound at Capistrano Rd (El Granada). Lane closed until 6 AM. From 7:00 PM Thursday, October 15, 2026 to 6:00 AM Friday, October 16, 2026.

San Mateo 1 week, 4 days ago

Caltrans : Roadwork on CA-1 Northbound at CA-92 E (Half Moon Bay). Lane closed until 6 AM. From 8:00 PM Thursday, October 15, 2026 to 6:00 AM Friday, October 16, 2026.

San Mateo 1 week, 4 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 6 AM. From 7:00 PM Thursday, October 15, 2026 to 6:00 AM Friday, October 16, 2026.

San Mateo 1 week, 4 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 6 AM. From 7:00 PM Wednesday, October 14, 2026 to 6:00 AM Thursday, October 15, 2026.

San Mateo 1 week, 5 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, October 14, 2026 to 6:00 AM Thursday, October 15, 2026.

San Mateo 1 week, 5 days ago

Caltrans : Roadwork on CA-1 Northbound at Linda Mar Blvd (Pacifica). Right shoulder closed until midnight. From 5:45 PM Wednesday, October 14, 2026 to 12:00 AM Thursday, October 15, 2026.

San Mateo 1 week, 5 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 6 AM. From 7:00 PM Tuesday, October 13, 2026 to 6:00 AM Wednesday, October 14, 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, October 13, 2026 to 6:00 AM Wednesday, October 14, 2026.

San Mateo 1 week, 6 days ago

Caltrans : Roadwork on CA-1 Northbound at Capistrano Rd (El Granada). Lane closed until 6 AM. From 7:00 PM Tuesday, October 13, 2026 to 6:00 AM Wednesday, October 14, 2026.

San Mateo 1 week, 6 days ago

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

Sonoma 1 week, 6 days ago

CHP : Residual delays on CA-1 Northbound north of Marshall-petaluma Rd (Marshall). All lanes open. Expect delays.

Marin 2 weeks ago

CHP : Traffic Hazard on CA-1 Northbound south of I-280 N-CA-1 N Split (Daly City). Lane affected. Expect delays.

Moderate Accident

San Mateo 2 weeks, 1 day ago

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

Marin 2 weeks, 1 day ago

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

Marin 2 weeks, 1 day ago

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

Moderate Accident

Santa Cruz 2 weeks, 2 days ago

CHP : Residual delays on CA-1 Northbound north of Capistrano Rd (El Granada). Right shoulder affected. Expect delays.

San Mateo 2 weeks, 2 days ago

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

San Mateo 2 weeks, 2 days ago

CHP : Traffic Collision on CA-1 Northbound north of Capistrano Rd (El Granada). Right shoulder affected. Expect delays.

San Mateo 2 weeks, 2 days ago

CHP : Traffic Collision on CA-1 Northbound north of Capistrano Rd (El Granada). Lane affected. Expect delays.

San Mateo 2 weeks, 3 days ago

CHP : Traffic Collision on CA-1 Northbound south of Old Devil's Slide Hwy (Pacifica). Lane affected. Expect delays.

San Mateo 2 weeks, 3 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 7 AM. From 8:00 PM Thursday, October 08, 2026 to 7:00 AM Friday, October 09, 2026.

San Mateo 2 weeks, 4 days ago

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

San Mateo 2 weeks, 4 days ago

Caltrans : Roadwork on CA-1 Northbound at Capistrano Rd (El Granada). Lane closed until 7 AM. From 8:00 PM Thursday, October 08, 2026 to 7:00 AM Friday, October 09, 2026.

San Mateo 2 weeks, 4 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 7 AM. From 8:00 PM Wednesday, October 07, 2026 to 7:00 AM Thursday, October 08, 2026.

San Mateo 2 weeks, 5 days ago

Caltrans : Roadwork on CA-1 Northbound at Higgins Canyon Rd (Half Moon Bay). Lane closed until 7 AM. From 8:00 PM Tuesday, October 06, 2026 to 7:00 AM Wednesday, October 07, 2026.

San Mateo 2 weeks, 6 days ago

CHP : Disabled vehicle on CA-1 Northbound south of Gravenstein Hwy (Valley Ford). Lane affected. Expect delays.

Sonoma 3 weeks ago

CHP : Traffic Hazard on CA-1 Northbound south of Sharp Park Rd (Pacifica). Lane blocked. Expect delays.

Moderate Accident

San Mateo 3 weeks, 1 day ago

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

San Mateo 3 weeks, 2 days ago

Caltrans : Roadwork on CA-1 Northbound at Capistrano Rd (El Granada). Lane closed until 6 AM. From 7:00 PM Friday, October 02, 2026 to 6:00 AM Saturday, October 03, 2026.

San Mateo 3 weeks, 3 days ago