Crash on SR-78 E/B at Las Posas Rd, San Marcos, California

Wednesday, January 21, 2026 at 3:15 PM

Injury crash3 vehicles

From the CHP CCRS, record last updated October 25, 2026. No changes since first published.

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Damage area not recorded

Gray Motorcycle

Driver, female, 54Restraint: Motor Bicycle Driver with Helmet. Airbag: Not Required
Minor injury

Damage area not recorded

White Sport Utility Vehicle

Driver, female, 60Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

Damage area not recorded

White Two Axle Truck

Driver, male, 30Restraint: Occupant Lap Shoulder Harness Used. Airbag: Air Bag Not Deployed
Not injured

Violation cited: VC 22107 UNSAF TURN &/OR NO SIGNALas recorded on the report

A contributing factor or charge recorded by an officer is not a finding of fault or a conviction. We show the record as the state released it.

83 crashes recorded on SR-78 E/B in San Marcos in the last 12 months, 27 with injuries.

Feb 20, 2026, SR-78 E/B at San Marcos Blvd2 vehiclesProperty damage only
Feb 20, 2026, SR-78 E/B at Rancho Santa FE Rd2 vehicles, 1 injuredInjury crash
Feb 18, 2026, SR-78 E/B at Rancho Santa FE Rd3 vehicles, 1 injuredInjury crash
Feb 17, 2026, SR-78 E/B at San Marcos Blvd2 vehiclesProperty damage only
Feb 5, 2026, SR-78 WB at Rancho Santa FE Rd2 vehiclesProperty damage only

Source: CHP CCRS
Updates: Changes the state makes to this record are applied here when the source publishes them
First published here: October 25, 2026
Last updated: October 25, 2026, no changes recorded
What is left out: Names, addresses, plates, and license and insurance numbers are not in the public data and never appear here

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