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How do stoplights detect a car?

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  • How do stoplights detect a car?


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Answer #1 | 17/05 2017 12:22
By an inductive loop buried below the ground where cars approach in most cases
Positive: 60 %
Answer #2 | 17/05 2017 12:09
They use magnetic coils linked to a network system on the street pavement just below where your car stops.
Positive: 56.521739130435 %
Answer #3 | 17/05 2017 12:46
They don't.
Positive: 45.283018867925 %
Answer #4 | 17/05 2017 11:59
magnets
Positive: 42.592592592593 %

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