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Camera like sensors on top of traffic lights
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August 19th 03, 11:50 AM posted to uk.transport.london
Colin Rosenstiel
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First recorded activity at LondonBanter: Jul 2003
Posts: 2,146
Camera like sensors on top of traffic lights
In article ,
(Peter Fox) wrote:
[Microwave traffic light detectors]
They are _speed_ sensitive with a cut-off at about 15mph.
Do you have evidence for that speed cut-off? They have been used for
detecting pedestrians at puffin and toucan crossings for some time.
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Colin Rosenstiel
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