CA · County

San Marcos Car Accidents & Crashes

San Marcos County has recorded 1,518 traffic crashes since 2024, including 9 fatal incidents. In the last 24 hours, 0 new crashes were reported. Crash volume is highest on SR-78 E/B and SR-78 W/B.

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. CCRS records include party details, injury severity, vehicle information, and precise geographic coordinates. Last updated May 18, 2026.

Breakdown by type: 313 accident.

313

Total Crashes

Filtered results

0

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 142 incidents with location data · click a marker to view details

Crash Records

San Marcos Incidents 313 results

313 accident

Traffic collision, rear-end on SR-78 W/B

SR-78 W/B 5 days, 15 hours ago

Traffic collision on SR-78 W/B

SR-78 W/B 1 week, 5 days ago

Traffic collision on SR-78 E/B

SR-78 E/B 1 week, 6 days ago

Traffic collision, rear-end on STATE ROUTE78 EB

STATE ROUTE78 EB 2 weeks, 2 days ago

Traffic collision on SR-78 W/B

SR-78 W/B 3 weeks, 1 day ago

Traffic collision on STATE ROUTE 78

STATE ROUTE 78 3 weeks, 2 days ago

Traffic collision, rear-end on SR-78 E/B

SR-78 E/B 4 weeks ago

Traffic collision on SR-78 E/B

SR-78 E/B 1 month ago

Traffic collision — hit and run on DISCOVERY ST

DISCOVERY ST 1 month, 1 week ago

Traffic collision, head-on — hit and run on RICHLAND RD

RICHLAND RD 1 month, 1 week ago

Traffic collision, rear-end — hit and run on SR-78 E/B

SR-78 E/B 1 month, 1 week ago

Traffic collision, rear-end — hit and run on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 1 month, 1 week ago

Traffic collision — hit and run on SR-78 W/B

SR-78 W/B 1 month, 1 week ago

Traffic collision, head-on on AUTUMN DR

AUTUMN DR 1 month, 1 week ago

Traffic collision, broadside — hit and run on SR-78 E/B

SR-78 E/B 1 month, 2 weeks ago

Traffic collision, head-on — hit and run on W MISSION RD

W MISSION RD 1 month, 2 weeks ago

Traffic collision — hit and run on SR-78 W/B

SR-78 W/B 1 month, 2 weeks ago

Traffic collision, head-on on S RANCHO SANTA FE RD

S RANCHO SANTA FE RD 1 month, 2 weeks ago

Traffic collision, rear-end on SR-78 W/B

SR-78 W/B 1 month, 2 weeks ago

Traffic collision on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 1 month, 2 weeks ago

Traffic collision, rear-end on TWIN OAKS VALLEY RD

TWIN OAKS VALLEY RD 1 month, 3 weeks ago

Traffic collision, rear-end — hit and run on SR-78 E/B

SR-78 E/B 1 month, 3 weeks ago

Traffic collision, rear-end — hit and run on SR-78 E/B

SR-78 E/B 1 month, 3 weeks ago

Traffic collision — hit and run on N TWIN OAKS VALLEY RD

N TWIN OAKS VALLEY RD 1 month, 3 weeks ago

Traffic collision on LINDA VISTA DR

LINDA VISTA DR 1 month, 3 weeks ago

Traffic collision — hit and run on SR-78 W/B

SR-78 W/B 1 month, 3 weeks ago

Traffic collision — hit and run on SR-78 W/B

SR-78 W/B 1 month, 3 weeks ago

Traffic collision on SR-78 E/B

SR-78 E/B 1 month, 3 weeks ago

Traffic collision, head-on on LA SIERRA DR

LA SIERRA DR 1 month, 3 weeks ago

Traffic collision, head-on on BORDEN RD

BORDEN RD 1 month, 3 weeks ago

Traffic collision, rear-end on SR-78 E/B (RONALD PACKARD PARKWAY)

SR-78 E/B (RONALD PACKARD PARKWAY) 1 month, 3 weeks ago

Traffic collision on RANCHEROS DR

RANCHEROS DR 1 month, 3 weeks ago

Traffic collision on STATE ROUTE 78 E/B

STATE ROUTE 78 E/B 1 month, 3 weeks ago

Traffic collision on CSUSM PKG LOT N

CSUSM PKG LOT N 1 month, 4 weeks ago

Traffic collision — hit and run on CAMINO MAGNIFICO

CAMINO MAGNIFICO 1 month, 4 weeks ago

Traffic collision, broadside on SAN MARCOS BLVD

SAN MARCOS BLVD 1 month, 4 weeks ago

Traffic collision, rear-end — hit and run on SR-78 E/B

SR-78 E/B 1 month, 4 weeks ago

Traffic collision on PORTENO CT

PORTENO CT 1 month, 4 weeks ago

Traffic collision, broadside on SR-78 W/B

SR-78 W/B 2 months ago

Traffic collision on SR-78 WESTBOUND

SR-78 WESTBOUND 2 months ago

Traffic collision, rear-end — hit and run on RICHLAND RD

RICHLAND RD 2 months ago

Traffic collision, broadside on W SAN MARCOS BL

W SAN MARCOS BL 2 months ago

Traffic collision, rear-end — hit and run on CAMINO MAGNIFICO

CAMINO MAGNIFICO 2 months, 1 week ago

Traffic collision on CENTER DR

CENTER DR 2 months, 1 week ago

Traffic collision on SR-78 W/B

SR-78 W/B 2 months, 2 weeks ago

Traffic collision, rear-end on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 2 months, 2 weeks ago

Traffic collision on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 2 months, 2 weeks ago

Traffic collision — hit and run on LOS VALLECITOS BL

LOS VALLECITOS BL 2 months, 2 weeks ago

Traffic collision on SR-78 EASTBOUND

SR-78 EASTBOUND 2 months, 2 weeks ago

Traffic collision on NORDAHL RD

NORDAHL RD 2 months, 3 weeks ago