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  2. Emergency vehicle lighting - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_lighting

    Emergency vehicle lighting, also known as simply emergency lighting or emergency lights, is a type of vehicle lighting used to visually announce a vehicle's presence to other road users. A sub-type of emergency vehicle equipment , emergency vehicle lighting is generally used by emergency vehicles and other authorized vehicles in a variety of ...

  3. Emergency vehicle equipment - Wikipedia

    en.wikipedia.org/wiki/Emergency_vehicle_equipment

    These can be fitted to both overt and covert emergency vehicles, by simply changing whether they are mounted internally or externally, or by varying the lens colour (so that they may look like fog lights on a covert vehicle) Dash Lights - These are forward-facing lights, like grille lights, but mounted on the dashboard of the emergency vehicle ...

  4. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    Light guides are commonly used to distributively light dashboard displays, [155] and premium vehicles are beginning to use distributive systems for lighting such items as door locks, window controls, and cup holders. [156] Distributive exterior lighting has also been explored, with high-intensity central light sources. [157]

  5. Police car - Wikipedia

    en.wikipedia.org/wiki/Police_car

    Flashing emergency lights are visible in the rear window. An unmarked car is a police car that lacks markings and easily-visible or roof-mounted emergency lights. They are generally used for varying purposes, ranging from standard patrol and traffic enforcement to sting operations and detective work.

  6. Emergency light - Wikipedia

    en.wikipedia.org/wiki/Emergency_light

    An emergency light is a battery-backed lighting device that switches on automatically when a building experiences a power outage. In the United States, emergency lights are standard in new commercial and high occupancy residential buildings, such as college dormitories, apartments, and hotels.

  7. Traffic signal preemption - Wikipedia

    en.wikipedia.org/wiki/Traffic_signal_preemption

    Traffic signal preemption (also called traffic signal prioritisation) is a system that allows an operator to override the normal operation of traffic lights.The most common use of these systems manipulates traffic signals in the path of an emergency vehicle, halting conflicting traffic and allowing the emergency vehicle right-of-way, thereby reducing response times and enhancing traffic safety.