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How do police speed cameras work?

April 26, 2017cameras Ethics government Law police politics speed

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How do police speed cameras work?

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In the UK, speed cameras work by taking 2 or 3 pictures in a second of a car that is going faster than the speed limit ( I think they recognise this by a radar or a sensor or something) Then between the 2 or 3 pics they measure the distance travelled between each pic ( speed = distance divided by time) From that they can work out how fast you were going, and if you were over the speed limit, they send you a letter home by identifying you registration plate. Hope it helped.