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Traffic Lights and Signals

Traffic lights are devices that allow for alternating flows of traffic. They signal to drivers when it is time to slow down, stop, or go. They help to ease traffic congestion in highly traveled areas.

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Traffic Lights and Signals

Traffic lights are devices that allow for alternating flows of traffic. They signal to drivers when it is time to slow down, stop, or go. They help to ease traffic congestion in highly traveled areas.

1,659 Questions

No questions found for given filters. Try a different search or filter.

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