Ambulance
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An ambulance is a medically-equipped vehicle used to transport patients to treatment facilities, such as hospitals. Typically, out-of-hospital medical care is provided to the patient during the transport. Ambulances are used to respond to medical emergencies by emergency medical services (EMS), and can rapidly transport paramedics and other first responders, carry equipment for administering emergency care, and transport patients to hospital or other definitive care. Most ambulances use a design based on vans or pickup trucks, though others take the form of motorcycles, buses, limousines, aircraft and boats.
A Ford E-Series ambulance with its emergency lights on in Boston, Massachusetts, United States
Early car-based ambulances, such this 1948 Cadillac Meteor, were sometimes also used as hearses.
Elizabeth II (then Princess) next to a British Army ambulance in 1945
A New York City Fire Department ambulance bus in 1949
Emergency vehicle lighting
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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 colors.
Red and blue emergency lights on a fire engine in Canberra, Australia
Police cars with red, white, and blue emergency lights
A fire truck with red emergency lights
Lighting on an ambulance in the 1970s