Officers will look for signs that drivers may be under the influence of alcohol, drugs or a combination of both.

The Modesto Police Department is conducting a DUI checkpoint on January 16 to deter impaired driving and improve traffic safety, with financial support from the California Office of Traffic Safety.

(FOX40.COM) — The Fairfield Police Department scheduled a driving under the influence and driver’s license checkpoint on Friday in the area of Waterman Boulevard. • Video above: Why DUI checkpoints ...

LIVERMORE, CA — The Livermore Police Department said it will hold a DUI checkpoint Friday from 6 p.m. to 1 a.m. at an undisclosed location the city. The location was determined based on data showing ...