Napa Police made four arrests Sunday night as part of New Year's Eve DUI saturation patrols.
Officers made 57 vehicle enforcement stops and conducted 11 field sobriety tests, Traffic Sgt. Kristofer Jenny reported.
Police arrested a 36-year old female resident of Napa who was stopped for failing to yield the right of way at an intersection. The investigation revealed signs of impairment and the driver had a blood-alcohol reading of .25 percent. She was arrested and booked into the Napa County jail.
Three drivers were arrested and cite-released for operating a vehicle unlicensed or while suspended/revoked.