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Traffic Cameras! They detect and take a picture of when someone runs a red light. We have them implemented at a few intersections!
Sarah W32
Sarah W32 May 08, 2013
Traffic Cameras! They detect and take a picture of when someone runs a red light. We have them implemented at a few intersections!

I've seen these sensors...

Often 3
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Similar Photos: this is used by us in work frequently. very useful. measures distance accurately. This is safety gate at the platform of Tokyo Metro (main subway in Tokyo).<br/>This gate opens automatically when the train comes. explosive sensors

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