Traffic signals are standardized worldwide to ensure road safety and regulate traffic flow. Each color has a specific meaning that all drivers and pedestrians must understand.
Traffic Light Colors and Meanings:
Red Light: STOP
Vehicles must come to a complete stop before the stop line or crosswalk
Indicates danger or prohibition to proceed
Yellow/Amber Light: READY / CAUTION / SLOW DOWN
Indicates the signal is about to change to red
Vehicles should prepare to stop unless too close to intersection
Green Light: GO / PROCEED
Vehicles may proceed through the intersection
Must yield to pedestrians and emergency vehicles if present
Indicates the way is clear and safe to move
Why Green Means "Go":
Green universally symbolizes safety and permission
The color green was chosen historically because it contrasts well with red and is easily distinguishable
In traffic systems worldwide, green gives the right of way to proceed
Why Other Options are Incorrect:
(A) Ready: Yellow/amber light indicates "ready" or "caution," not green
(B) Stop: Red light indicates "stop"
(D) None of these: Incorrect as green clearly means "go"
Final Answer: Go