RSA 266:78-c Red Lights Restricted to Police, Fire, and Rescue Vehicles.

No person other than those authorized in this section shall operate a vehicle equipped with red colored emergency lights. Red lights are authorized for the following vehicles:
I. Emergency response vehicles owned or leased by municipal, village district, or federal fire departments and forestry departments, and retired fire apparatuses.
II. Vehicles privately owned or leased by full-time or volunteer firefighters employed by municipal, village district, or federal fire departments and forestry departments or forest fire wardens and deputy wardens when authorized by their department heads.
III. Licensed public or private ambulances and emergency medical response and rescue vehicles, and members of licensed ambulance and emergency medical response and rescue crews wh