Two officers were issuing a traffic ticket along on Highway 101 north of Alum Rock Avenue around 10:40 p.m. when the driver of a silver sedan sideswiped the officers' patrol vehicle and hit one of the officers, according to the CHP.
The force of the collision knocked one officer into the other.
Meanwhile, the driver of the sedan fled the scene and remains at large, according to the CHP.
The officer hit, a 25-year-old man from San Jose, was taken to San Jose Regional Medical Center to be treated for minor injuries, the CHP is reporting.
He is expected to make a full recovery.
Anyone with information about this collision or the driver's whereabouts is asked to call CHP Officer Aguilar at (408) 467-5400.