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If it can tell what color the light is, I would love to know for how long it has been that color. Since you may or may not get green arrows, then the length of a green or red light would vary, but I sure hope that a three-second yellow is standard. I doubt that it could tell me if I can make a green light or if the light will turn green before I coast to it, but it would be very useful to know if I can make a yellow light. You would think that I would be able to judge it by now, but many times I am wrong, needing to brake at the last second, or stopping unnecessarily.
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