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What is this mounted above the VAS sign?
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unholyangel wrote: »What is a speed camera, if not a speed sensor?
It needs to be able to measure that speed to know when to display the message.
https://trl.co.uk/sites/default/files/TRL548.pdf
The sign already has it's speed sensor built in, they only have a camera above if the sensor isn't built into the sign (it's the round circle above where 30 would flash). Also, the cameras these signs usually have if not already built in are tiny. Not like this, possibly ANPR or a speed survey type camera.0
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