CA · County

San Marcos Car Accidents & Crashes

San Marcos County has recorded 1,621 traffic crashes since 2024, including 10 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 July 24, 2026.

Breakdown by type: 62 accident.

62

Total Crashes

Filtered results

10

Fatalities

Fatal injury reports

0

Today

Reported since midnight

Today's Accidents Today's Fatalities

showing most recent 25 incidents with location data · click a marker to view details

Crash Records

San Marcos Incidents 62 results

62 accident

Injury crash — 5 injured, rear-end on W SAN MARCOS BL

W SAN MARCOS BL 1 month ago

Injury crash — 3 injured, rear-end on SR-78 W/B

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

Injury crash — 3 injured on TWIN OAKS VALLEY RD

TWIN OAKS VALLEY RD 3 months, 1 week ago

Fatal crash — 1 killed on STATE ROUTE 78

STATE ROUTE 78 3 months, 2 weeks ago

Injury crash — 3 injured on WOODLAND PKWY

WOODLAND PKWY 3 months, 4 weeks ago

Injury crash — 4 injured, overturned vehicle on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 4 months, 1 week ago

Injury crash — 3 injured, rear-end on SR-78 E/B

SR-78 E/B 4 months, 2 weeks ago

Injury crash — 3 injured, rear-end — hit and run on SR-78 E/B OFFRAMP

SR-78 E/B OFFRAMP 5 months, 1 week ago

Injury crash — 3 injured, rear-end on SR-78 W/B

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

Injury crash — 3 injured on SR-78 W/B

SR-78 W/B 8 months, 1 week ago

Injury crash — 4 injured, rear-end on SR-78 E/B

SR-78 E/B 9 months ago

Injury crash — 3 injured, rear-end on STATE ROUTE 78

STATE ROUTE 78 9 months, 1 week ago

Injury crash — 3 injured, broadside on N LAS POSAS RD

N LAS POSAS RD 9 months, 4 weeks ago

Injury crash — 3 injured, rear-end on EAST BARHAM DR

EAST BARHAM DR 10 months ago

Injury crash — 3 injured, broadside on SOUTH LAS POSAS RD

SOUTH LAS POSAS RD 10 months, 1 week ago

Injury crash — 3 injured, rear-end on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 10 months, 3 weeks ago

Injury crash — 6 injured, broadside on SAN ELIJO RD

SAN ELIJO RD 11 months ago

Injury crash — 4 injured, rear-end on SAN MARCOS BL

SAN MARCOS BL 11 months, 1 week ago

Injury crash — 3 injured, head-on on KELLEY WY

KELLEY WY 11 months, 2 weeks ago

Injury crash — 3 injured, rear-end on SR-78 E/B

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

Injury crash — 4 injured, overturned vehicle — hit and run on BORDEN RD

BORDEN RD 1 year, 1 month ago

Injury crash — 3 injured, rear-end on SR-78 W/B

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

Injury crash — 4 injured, rear-end on SR-78 E/B FROM NORDAHL RD

SR-78 E/B FROM NORDAHL RD 1 year, 2 months ago

Injury crash — 4 injured, head-on on S SANTA FE AV

S SANTA FE AV 1 year, 3 months ago

Injury crash — 4 injured, head-on — hit and run on RANCHO SANTA FE RD

RANCHO SANTA FE RD 1 year, 3 months ago

Injury crash — 3 injured, rear-end on RANCHO SANTA FE RD

RANCHO SANTA FE RD 1 year, 4 months ago

Injury crash — 3 injured, rear-end on SAN ELIJO RD

SAN ELIJO RD 1 year, 5 months ago

Fatal crash — 1 killed on SR-78 W/B

SR-78 W/B 1 year, 5 months ago

Injury crash — 3 injured, broadside on MISSION RD

MISSION RD 1 year, 6 months ago

Injury crash — 4 injured, broadside on SAN ELIJO RD

SAN ELIJO RD 1 year, 6 months ago

Fatal crash — 1 killed — pedestrian involved on SR-78 W/B

SR-78 W/B 1 year, 7 months ago

Injury crash — 3 injured, broadside on MULBERRY DR

MULBERRY DR 1 year, 7 months ago

Injury crash — 3 injured, rear-end — hit and run on N TWIN OAKS VALLEY RD

N TWIN OAKS VALLEY RD 1 year, 7 months ago

Injury crash — 3 injured on SR-78 E/B

SR-78 E/B 1 year, 8 months ago

Injury crash — 3 injured, head-on on S RANCHO SANTA FE RD

S RANCHO SANTA FE RD 1 year, 8 months ago

Fatal crash — 1 killed — pedestrian involved on S. RANCHO SANTA FE RD

S. RANCHO SANTA FE RD 1 year, 8 months ago

Injury crash — 3 injured, rear-end on GRAND AV

GRAND AV 1 year, 9 months ago

Injury crash — 3 injured, rear-end on N TWIN OAKS VALLEY RD

N TWIN OAKS VALLEY RD 1 year, 9 months ago

Fatal crash — 1 killed — pedestrian involved on S TWIN OAKS VALLEY RD

S TWIN OAKS VALLEY RD 1 year, 10 months ago

Injury crash — 6 injured, head-on on E BARHAM DR

E BARHAM DR 1 year, 10 months ago

Injury crash — 4 injured, rear-end on E BARHAM DR

E BARHAM DR 1 year, 11 months ago

Injury crash — 4 injured, rear-end on SR-78 W/B

SR-78 W/B 1 year, 11 months ago

Injury crash — 3 injured, head-on on W SAN MARCOS BL

W SAN MARCOS BL 1 year, 11 months ago

Injury crash — 3 injured, overturned vehicle on CAMPUS VIEW DR

CAMPUS VIEW DR 1 year, 11 months ago

Injury crash — 4 injured on S SANTA FE AV

S SANTA FE AV 1 year, 11 months ago

Injury crash — 3 injured, rear-end on RANCHO SANTA FE RD

RANCHO SANTA FE RD 2 years ago

Injury crash — 4 injured, rear-end on SR-78 EASTBOUND

SR-78 EASTBOUND 2 years ago

Injury crash — 3 injured, rear-end on STATE ROUTE 78 W/B

STATE ROUTE 78 W/B 2 years, 1 month ago

Injury crash — 3 injured, rear-end on W SAN MARCOS BL

W SAN MARCOS BL 2 years, 1 month ago

Injury crash — 3 injured, rear-end on W MISSION RD

W MISSION RD 2 years, 1 month ago