This Is Why Traffic Light Colors Are Red, Yellow and Green
W hen you hop in your car to head to work, drop your kids off at school or make a Target run, how many traffic lights do you ...
MotorBiscuit9d
Traffic signal expert explains how to count down a yellow light before it turns red
Typically, the doc explains, a yellow light is preset to run for a tenth of the posted speed limit. In cases where the speed limit is less than 30 mph, though, you can still expect a three-second ...