Road closures around emergency incidents are essential to the rapid movement of people leaving an area and the mobility of emergency equipment into the area. On major incidents, immediate road closures become essential to allow accessibility of firefighting forces, orderly evacuation and the exclusion of unauthorized people.
The Fire District is responsible for determining when the need for evacuation exists and the San Diego Sheriff's Department and California Highway Patrol are responsible for carrying out an ordered evacuation. The purpose is to protect people from life-threatening situations.
During a fire or flood, there may be several different phases of road closures within the disaster area, including: