A new year-long joint effort to reduce impaired driving in California is underway by the California Highway Patrol and the California Office of Traffic Safety. The two agencies are working together to reduce impaired driving with a new Statewide Impairment Reduction campaign, that started in October and will continue through to Sept. 30, 2018. The SIR grant provides the CHP with funding to conduct additional saturation patrols for driving under the influence, DUI checkpoints, and traffic safety education efforts throughout California.