A car hit an El Cajon Police Department vehicle on Monday morning, according to officials.
The officer was driving a police SUV eastbound on Camino Del Norte when a white sedan struck the car and a power box.
The officer inside the SUV was not injured, and the 19-year-old driver of the sedan was transported to Palomar Hospital with minor injuries.
Power went out in the area and officials had to close the intersection of Camino Del Norte and Camino Montenoso for an hour and a half.
The accident is causing traffic near Interstate 15 at Camino Del Norte.
Officials are investigating the cause of the incident.