Why We Need Stop Lights

china-car-crash

Accident happens… But when you go through so many car-on-car, car-on-bike, and bike-on-bike collisions in such a short amount of time, well, that’s just insane.
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Sand Hourglass Traffic Light

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You ever find yourself stuck at a traffic light that’ll just never turn green? Doesn’t it feel like forever? If traffic lights used this this concept LED Sand Glass, you’ll know exactly how much time is left.
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