How do traffic lights work? Sensors, timing, connection with other traffic lights … the whole shebang.

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How do traffic lights work? Sensors, timing, connection with other traffic lights … the whole shebang.

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Anonymous 0 Comments

The programming and timing would be based on traffic studies. I had to take a full semester of traffic study in my civil engineering program. Study an intersection. Predict the traffic flow, adding a left turn lanes or arrows. There are equations to predict traffic buildup and if the intersection is quality. I did not like that class. Our final grade was to pick an intersection and make an improvement. The night before it was due i drove to this intersection and found our recommended improvement was already there and my groupmates and i were like oh shit!

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