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A3 Speed Camera Van: Where does it measure speeds?
Spinstorm
post Thu, 11 Jan 2018 - 19:17
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I spotted a camera van on the A3 south dual 3 lane carriageway heading to the M25; speed limit 70mph.

I was going about 73mph maximum and when I saw it slowed down to 65. Also there was a car in front of me and a car to the left of me. I doubt I will get a NIP for that but this leads to my question... where does the camera takes the cars speed from?

On overhead cameras there are markings on the road... and with a laser its pointed at you.

On a 3 lane carriageway where are they taking the readings from? How far away?

This post has been edited by Spinstorm: Thu, 11 Jan 2018 - 19:18
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post Thu, 11 Jan 2018 - 19:17
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BaggieBoy
post Thu, 11 Jan 2018 - 19:24
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You already stated how:
QUOTE (Spinstorm @ Thu, 11 Jan 2018 - 19:17) *
with a laser its pointed at you.

Can be used up to 1000m.
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cp8759
post Thu, 11 Jan 2018 - 19:37
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The enforcement threshold is 79, you have nothing to worry about if you were doing 73


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I am not on the "motorists's side", nor am I on the "police/CPS/council's" side, I am simply in favour of the rule of law.
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Spinstorm
post Thu, 11 Jan 2018 - 19:38
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So someone is actually operating them?

You are saying there are two people sitting side by side with laser guns?
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Jlc
post Thu, 11 Jan 2018 - 19:53
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QUOTE (Spinstorm @ Thu, 11 Jan 2018 - 19:17) *
where does the camera takes the cars speed from?

It fires a series of pulses at the car (in around 1/3 second) and the distance and speed can be calculated. No markings on the road are necessary.


--------------------
RK=Registered Keeper, OP=Original Poster (You!), CoFP=Conditional Offer of Fixed Penalty, NtK=Notice to Keeper, NtD=Notice to Driver
PoFA=Protection of Freedoms Act, SAC=Safety Awareness Course, NIP=Notice of Intended Prosecution, ADR=Alternative Dispute Resolution
PPC=Private Parking Company, LBCCC=Letter Before County Court Claim, PII=Personally Identifiable Information

Private Parking - remember, they just want your money and will say almost anything to get it.
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BaggieBoy
post Thu, 11 Jan 2018 - 21:57
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QUOTE (Spinstorm @ Thu, 11 Jan 2018 - 19:38) *
So someone is actually operating them?

You are saying there are two people sitting side by side with laser guns?

Probably just a single person, that's the normal mode of operation.
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