Tag Archives: traffic sensor

How to tell if the light will change to yellow soon

Fresh A Fresh light is a green light you know for sure is going to stay green. The only way to be 100% certain is to see the pedestrian “Walk” signal advising the pedestrians that they may start walking across the crosswalk. Stale A Stale light is one that you think might change to yellow soon. Clues are: if the …

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