Aren’t the emergency vehicle lights a common sight? Yes, all of us would have seen them on ambulances and a range of other vehicles like the police and government vehicles, fire engines too. These lights are fitted to the vehicles to be used by the driver as an indication to people to convey the kind of emergency that is there in the journey. When these lights are used in law enforcement they signal the driver to halt to talk to the concerned officer. These lights may be in the form of light bars or beacons or in the form of hideaway lights or hazard lights too.
Generally, the emergency vehicle lights are coupled with sirens so that their impact and effectiveness are enhanced. They are basically used for getting clearance immediately for the emergency vehicles. They also are used to warn people on the road about a potential hazard or indicate that a particular vehicle has been pulled to a side. Police vehicles make use of a range of light bars so as to indicate or convey certain meaning to others. This kind of lighting is found to be useful even for highway workers. Distinction of course remains in the choice of the color of light. Usage of these lights is not restricted to fire engines, ambulances and police and government vehicles as a few countries give permission for rescue workers, personnel offering emergency medical services and volunteer firefighters to use them. There is of course no law imposed on people from buying them, but their usage should be done only after getting permission from the concerned authorities. Blue, green and red lights hold different connotations even though all the three form a part of the emergency vehicle lights. Therefore, it is essential that one learns about the significance that each color holds and then have it accordingly on the vehicle.
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