infared
When approaching a yellow traffic signal, a driver should slow down and prepare to stop if it is safe to do so. If it is not safe to stop, the driver should proceed through the intersection with caution.
Stopped!
Signal to driver’s behind
electromagnetic signal
Left turn (a) yields to oncoming traffic (b). Without a stop sign or traffic signal, driver b has the right of way.
Before turning left, the driver should signal, check for oncoming traffic, yield to pedestrians, and make sure it is safe to proceed.
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.
Stop light is another name for a traffic signal.
traffic signal.
A signal light that is not working.
we control traffic by follows the signal
positive