Question

QUESTION ABOUT TRAFFIC COURSE HELP PLZ!
-at some intersection the traffic signal have sensors to detect vehicles, and the traffic signals will only change if

A. a vehicle facing the red traffic light moves onto the pedestrian crosswalk.

B. a vehicle facing the red traffic light stops 20 feet back from the stop line.

C. a vehicle facing the red traffic light stops at the stop line.

Answer 1

It's B! There are censors under the concrete.

Answer 2

THANK YOU\