You may drive over a road in Cranberry and not realize the very innovative technology being used there. Believe it or not, ...
Traffic lights are so ubiquitous that we hardly give ... and provided for magnetometers or pressure switches installed in the pavement to detect the presence of vehicles and alter the timing ...
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Why You Should Always Pull Up to the White Line at IntersectionsThe traffic light ... will depend on the type of pavement, regional climate and financial resources of the city or state. Inductive loop sensors are embedded in or under the pavement and use ...
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