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Roadscapes Wednesday: How Do Stop Lights “See” Your Car

Nathan Young
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In this video from Road Guy Rob, he chats with two traffic signal experts: Mohammed Bendelhoum, an engineer with the California Dept. of Transportation (Caltrans) and Brian Girardo (Iteris) to explore the history of vehicle detection (induction loops and video/camera detection) to explore which method is better.  Watch below to see how traffic lights detect cars!

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