A stale green light means that the green traffic light cycle has almost ended and will change to yellow at any moment. One way to tell if it is a stale green is to look at the pedestrian crossing light, if it is flashing do not walk or is solid do not walk it could be a stale green.
a stale green light
Stale green light is a term used in traffic terminology. Essentially, it means that the green light has been green so long that it's about to turn yellow.
When the traffic light comes into view and it's green, it was likely green for a long time, unless you also observe cars just starting to get going. If you see the traffic light is green in the distance we call this green light "stale", meaning it could turn yellow any second. A traffic light that just turned green, we call this green light "fresh", meaning it just turned green and it won't be turning yellow for a little while. Of course these times between from when it turns green then back to yellow and red again varies on the intersection. To answer the question when you're approaching a green traffic light you should prepare to stop as that green light is "stale". You don't necessarily have to slow down just get ready to hit the brake.
light yellow
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Blue light has a higher frequency compared to yellow light.
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In driving: That point along your way toward a 'stale' green light where, having covered the brake, it would be unsafe to stop. A stale green light is a green light accompanied by a pedestrian crosswalk hand symbol. Covering the brake is a driver footwork technique where, having established sufficient momentum to carry the intersection with fuel, the foot moves to cover the brake in anticipation that a stop could possibly be made on the appearance of a yellow light. Yellow lights serve two functions: (a) to advise of a change of right of way so that safe stops can be made by incoming vehicles to an impending red light. (b) to clear the intersection of vehicles either in it or so close to it a stop cannot safely be made.
Red and green light. Yellow glass transmits yellow light. Yellow light is a combination of red and green light. Therefore yellow glass transmits red and green light and absorbs blue light.
No, yellow paper does not absorb red light. Yellow paper absorbs blue light and reflects yellow light, giving it its yellow appearance. Red light is not absorbed by yellow paper, so it is reflected or transmitted through the paper.