They are called traffic lights or traffic signals.
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*** 2nd Answerer Says: Some parts of the country call them stoplights (as opposed to go-lights or caution-lights) and there is a variation called "blinking lights". "Blinking lights can be blinking red in all four directions to designate a four-way stop or full-stop in two directions & cautionary slow-down (blinking yellow) the other two directions.
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Flashing traffic lights are used when the control system is not functioning properly, or when there is very low level traffic (to the point that lights become unnecessary).
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crows are very smart. They can even understand traffic lights!
No, he actually just released some new music. The songs Traffic and Red Lights are available.
Crossing the road without traffic lights may or may not be legal, depending on the local law.A zebra crossing does not count as a traffic light, but is a good place to cross the road.Where traffic lights or zebra crossings are readily available (e.g. within a 100m walking distance) it is advisable to use these designated crossings.On small roads without such designations, it is advised that you cross where vehicles will be able to see you and give way to you safely.In all cases when crossing a road, it is best to check the traffic condition before proceeding.