A red "X" traffic signal means that the lane is closed and drivers should not drive in that lane. Drivers should merge into an open lane and follow the instructions on any accompanying signs.
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A steady yellow traffic light indicates that the traffic signal is about to change to red, and drivers should prepare to stop safely.
A steady yellow signal light at a traffic intersection means that the light is about to turn red, and drivers should prepare to stop safely before the intersection.
The yellow traffic light signifies that the signal is about to change from green to red. Drivers should slow down and prepare to stop if it is safe to do so, but they can proceed through the intersection if they are unable to stop safely.
A traffic signal displaying a steady circular yellow light means that you should use caution when going through the intersection. You have the right away, but watch for other cars.
The yellow light on a traffic signal means that the light is about to turn red. It serves as a warning for drivers to slow down and prepare to stop.
Signal to driver’s behind
If the traffic signal lights stop working, treat the intersection as a four-way stop. This means that all drivers should come to a complete stop and take turns proceeding through the intersection. Be cautious and yield to other vehicles to avoid accidents.
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 steady yellow light indicates that drivers should slow down and prepare to stop, as the traffic signal is about to change to red.
A yellow stop light indicates that the traffic signal is about to change from green to red, and drivers should prepare to stop their vehicles.