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Control the flow of traffic.
A "signal plan" is typically a document that outlines how signals are used or managed, whether in traffic control or communication systems. It specifies signal timings in traffic or signal allocation in communication networks.
The traffic signal is on a timer. It helps regulate traffic through an intersection.
Hand signals are to this day a legal form of traffic control devices.
. . . to control and channelize traffic flow to obtain maximum safety and the greatest volume of traffic.
it signals the airplane
stop... A police officer assuming control of that intersection will have precedence over a traffic signal. If their signals are contrary to the traffic signal, you'll follow their signal.
A traffic signals help cars get from one place to another without getting hurt. If there were no traffic signals people would not stop.
Traffic control ranges from traffic cones and drums to the flaggers who hold the "Stop/Slow" signs. It can also include the cameras that DOTs use to look at traffic.
Stop lights, also known as traffic lights or traffic signals, were first installed in London, England. The first traffic signal was installed in 1868 to to help control traffic.
No. Some traffic signals (red lights) are on timers however this method is becoming rare
It means rules of traffic signals.