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Mar 10, 2021 14:10:06 GMT
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Whilst pottering along on the M4 at a steady 50 yesterday, being overtaken by other drivers clearly doing 55+, I wondered if anybody knew anyone who has actually been caught by these average speed cameras?
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Mar 10, 2021 14:28:54 GMT
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We get quite few through for roadworks on our fleet at work, most do seem to be in excess of 10mph over the limit but I wouldn't guarantee it.
With the built in error of both the speedo's and the measuring equipment It would be difficult to prosecute for an indicated 55 in a 50. Interestingly when we get the French ones through they state the speed you were clocked at and the speed they are actually going to prosecute you at (usually around 10% lower).
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Mar 10, 2021 17:35:15 GMT
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Speedos by law can over read by maximum 10%, i.e. show 55 but you are actually doing 50. The cameras may allow (depending where you are) up to 55.
The secret is to not go through consecutive cameras in the same lane if you have crept up well past the 50 then slow it up to the next one.
It used to be the case only speeds calculated in the same lane over any two consecutive cameras could be used to prove the average but this may have changed in recent history.
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Last Edit: Mar 10, 2021 17:37:15 GMT by duggers
Needs a bigger hammer mate.......
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Stiff
Posted a lot
'kin 'ell
Posts: 3,007
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Mar 10, 2021 18:33:51 GMT
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My eldest stepson got a ticket through from an average speed camera system a couple of months back. I can't remember what speed it was but remember it being fifty something in a 40 (he was rushing to his grandfathers funeral).
I know our car speedo (Evoque) reads 44 when a more accurate gps nav reads 40. Most cars nowadays tend to err on the side of caution when it comes to speedo readings.
I was also under the impression that changing lanes makes no difference either way as the camera's nowadays are all linked. How true this is, I don't know.
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ferny
Club Retro Rides Member
Posts: 983
Club RR Member Number: 13
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Average speed cameras ferny
@ferny
Club Retro Rides Member 13
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Mar 10, 2021 18:37:07 GMT
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That changed (the lane thing) many years ago. You also used to be able to see their light when they were active.
There's no requirement for any allowance, but when I was doing 50k miles a year all over the country I'd go through at 57 on the speedo (54 in gps, always). The only difference was the early Prius and C4 having wildy optimistic speedos.
These days, I know many who claim to never get caught doing three figures everywhere. All I know is that I do see cameras flash and I do know people caught doing around 60 by average speed cameras. And people still think it's cool to claim they drive faster than they do.
I've akways taken it that the ones flying past these days are a mixture of cloned cars, ones in the dealer network and assumed to be same, company cars and assumed safe and idiots who have been lucky.
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dragon
Part of things
Posts: 148 
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Mar 10, 2021 20:36:10 GMT
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So quite a while back a friend stopped and said she'd been done by a 30mph camera near Cardiff Uni. Next day in comes another one to say she was doing 60 through the roadworks. One fine, one course.
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Mar 10, 2021 20:45:42 GMT
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went threw there the other day near newport, going west, there was no signs i noticed to say it was 50, but coming east on the way home i noticed 50 limit signs.
I am a bit worried about that as i was doing 70.
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Mar 13, 2021 13:54:49 GMT
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went threw there the other day near newport, going west, there was no signs i noticed to say it was 50, but coming east on the way home i noticed 50 limit signs. I am a bit worried about that as i was doing 70. Do you have a dashcam? If you can show there were no speed limit signs you may* be ok? Alternatively I may be talking bo//0x |
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