Driving Red means stop. Green means go. Yellow means wait, even if youre late. Red meaning, Green, Yellow
Contents: Pedestrian signals Traffic lights teach us that if you see a green man, you should start crossing the road. Pedestrian Signals It took 40 years for the United States to adopt the system, albeit with better safety standards. The first traffic light invented was in London in the 1860s, but it was hardly recognizable—or …