CA · Highway

CA-1 S Accidents & Crashes

CA-1 S has recorded 202 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 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 June 10, 2026.

Breakdown by type: 19 accident.

19

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 S. Click a marker to view details.

Crash Records

CA-1 S Incidents 19 results

19 accident

CHP : Disabled vehicle on CA-1 Southbound north of Valley Ford Rd (Valley Ford). Lanes blocked. Expect delays.

Marin 1 week ago

CHP : Traffic Collision on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays.

San Mateo 1 week, 4 days ago

CHP : Landslide on CA-1 Southbound south of Muir Woods Rd (Unincorporated). Lane affected. Expect delays.

Marin 1 week, 6 days ago

CHP : Traffic Hazard on CA-1 Southbound at Mendocino County Line (Unincorporated). Lane blocked. Expect delays.

Sonoma 2 weeks ago

CHP : Traffic Collision with Injuries on CA-1 Southbound at Mendocino County Line (Unincorporated). Lanes blocked. Expect delays.

Sonoma 2 weeks, 5 days ago

CHP : Traffic Hazard on CA-1 Southbound exiting at Paloma Ave (Pacifica). Off Ramp blocked. Expect delays.

San Mateo 3 weeks, 3 days ago

CHP : Traffic Collision with Injuries on CA-1 Southbound north of CA-84 (San Gregorio). Lane affected. Expect delays.

San Mateo 3 weeks, 4 days ago

CHP : Traffic Collision on CA-1 Southbound south of CA-17 N (Santa Cruz). Off Ramp affected. Expect delays.

Santa Cruz 1 month, 1 week ago

CHP : Traffic Collision on CA-1 Southbound at CA-17 N (Santa Cruz). Lanes blocked. Expect delays.

Santa Cruz 1 month, 1 week ago

CHP : Disabled vehicle on CA-1 Southbound at Devil's Slide Trail (Pacifica). Left shoulder blocked. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Traffic Collision on CA-1 Southbound at Devil's Slide Trail (Pacifica). Lane affected. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Traffic Collision on CA-1 Southbound north of CA-17 N (Santa Cruz). On Ramp affected. Expect delays.

Santa Cruz 1 month, 2 weeks ago

CHP : Flooding on CA-1 Southbound north of Monterey Rd (Pacifica). Lanes affected. Expect delays.

San Mateo 1 month, 2 weeks ago

CHP : Traffic Collision with Injuries on CA-1 Southbound north of Stewarts Point Skaggs Springs Rd (Unincorporated). All lanes blocked. Avoid the area.

Sonoma 1 month, 3 weeks ago

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

Santa Cruz 1 month, 3 weeks ago

CHP : Disabled tractor trailer and Downed wires on CA-1 Southbound at Garden Hwy (). Lanes blocked. Expect delays.

Marin 1 month, 3 weeks ago

CHP : Disabled vehicle on CA-1 Eastbound and Westbound north of Rocky Point Rd (Steep Ravine Trail) (). Lanes blocked. Expect delays.

Santa Cruz 1 month, 4 weeks ago

CHP : Traffic Collision with Injuries and Overturned vehicle on CA-1 Southbound north of Valley Ford Rd (Valley Ford). Lane blocked. Expect delays.

Sonoma 2 months ago

CHP : Traffic Hazard on CA-1 Southbound south of Skyline Blvd (Daly City). Lanes blocked. Expect delays.

San Mateo 2 months ago