Question

What is use of yellow light on traffic signal?

Answer 1

hi dear.
yellow light is used in traffic signal as alerting signal.
because when red signal will light first yellow signal glow and alert all vehicles.
it's same for green signal.
I hope you get the ans.
THANK YOU.

Answer 2

Explanation:

A yellow traffic light is a warning signal that lets you know that the red signal is about to be displayed. Hence, when you see the yellow light, you should start slowing down to come to a stop in anticipation of red light.