Accident Near Utica Power House Sponsored by: By B.J. Hansen Published Jan 21, 2011 12:00 pm Updated Jan 21, 2011 12:02 pm Hwy 4 View Photos Arnold, CA — An ambulance is responding to a vehicle accident on Highway 4 near Utica Power House Road. A vehicle has reportedly driven down the embankment. Travel with caution on Highway 4.