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Loop DetectorCoil of wire embedded in the roadway used to detect vehicle volume/presence. This data enables a traffic signal to function more efficiently, programming changes from red to green based on demand. Also used to control ramp meters.
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Loop DetectorAn inductive (wire) loop embedded in the pavement that detects the presence of a vehicle at a signalized intersection to activate a signal change. Diagonal quadruple loops typically provide the best b [..]
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