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Speed Cameras

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firetto | 10:43 Thu 06th Dec 2007 | Motoring
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On a strech of road near to where I live, two cameras have been changed to face the opposite direction. This means that the cameras are facing the opposite direction to the white grid lines painted on the road. Does this mean that both cameras have been decommissioned?
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No it probably means captain Gatso is being subtle!
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As a supplementary question, do cameras take your picture as you go towards them or after you pass them?
after you pass i think
The standard Gatso, yellow box ones take it as you go away from them. There are some time distance ones on the motorways that read the front plate though, so good news for motorbikes!
any idea where these forward facing ones are, I sense fun fun fun!
can a gatso read you on the other side of the road coming towards it?
The older Gatso cameras can only take images of the rear of vehicles that have already passed. The newer "Truvelo" type can work in either direction.
What do the new truvelo look like
Truvelo cameras look like this, halfway down the page

http://www.speed-trap.co.uk/FAQ/FAQ.htm
Gatso cameras take 2 fotos of the vehicle half a second apart. The lines on the road are used to calculate how far the vehicle has travelled between the 2 fotos. From this it can be calculated how far the vehicle has travelled in terms of feet per second and ulitimately in miles per hour.
The Truvelos operate entirely differently they measure your speed by calculating the time taken to pass between detectors in the road. So you wont see any markings necessarily.
I dont think you can assume that they are not working simply because they are now pointing the other way. If they are GATSOs then they cannot be used without markings on the road. It may be that they have actually been replaced by Truvelo or something similar

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