Emergency Vehicle Equipment 08
Emergency Vehicle Equipment 08 : Visual Warning Devices: (2) Active Visual Warnings: ACT Fire Brigade Heavy Rescue pumper with the emergency lights activated. (a) Directional Warning Arrows or arrow sticks - A strip of lights (typically amber or yellow) which light up in sequence to direct traffic to the right, left, or around both sides of an emergency vehicle. They may be found mounted on the back of a lightbar, on a car's package shelf (shining out the rear window) or on some other conspicuous location on the rear of a vehicle. (b) Information Matrix Signs - These special active visual warnings are used to convey words to vehicles approaching from behind the emergency vehicle and often carry messages such as "Police. Stop" or other relevant message. Some systems allow only preprogrammed messages, where others can be fully customised. (c) Many governments list specific requirements for emergency vehicle lighting. These requirements may address the colour, location and intensity/visibility of the lights, and whether they should flash or burn steadily. Laws also may regulate what vehicles may display these lights, and under what circumstances they may do so
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