A DUI checkpoint will be held in San Marcos beginning Saturday evening and lasting until early Sunday.
The San Diego County Sheriff’s Office did not disclose the exact location, but said it would be somewhere in the city of San Marcos from 6 p.m. Saturday until 2 a.m. Sunday.
DUI checkpoint locations are determined based on data showing incidents of impaired driving-related crashes, according to Sgt. Jeremy Collis…