Those "Average 50mph" speed zones are nasty

AFAIK, whilst they _can_ detect a car in, say, lane 1 and then later on in lane 3, they are not rated/certified for it, and therefore the evidence is inadmissable
 
What happens on the ones with multiple cameras?

If you go through Camera 1 in lane 1.
Swap to lane 2
Go through camera 2
Swap to lane 1
Go through camera 3

Then you've evaded camera 2, but you'd still be timed from camera 1->3

Or does the fact you were in a different lane at camera 2 void the other stuff?
 
This thread is pretty funny. They just time how long it takes you to cover the set distance between the cameras and works out the speed from that?

exactly, so I've no clue what these people are on about.
 
What happens on the ones with multiple cameras?

If you go through Camera 1 in lane 1.
Swap to lane 2
Go through camera 2
Swap to lane 1
Go through camera 3

Then you've evaded camera 2, but you'd still be timed from camera 1->3

Or does the fact you were in a different lane at camera 2 void the other stuff?

Are you really that desperate to sit at a few mph over the limit? Just stick to the limit in the roadworks section, it won't kill you!
 
I think these are much better than Gatsos, where the idiots fly past in the outside lane & slam the anchors on, then continue.
 
Are you really that desperate to sit at a few mph over the limit? Just stick to the limit in the roadworks section, it won't kill you!



I don't care about the stretching the limit - my car barely reaches it :o

I just wondered how this flaw worked.

I was mainly referring to the average 70 zones which are permanent.
 
its annoying, why take a 70mph motorway down to 50mph :\

Roadworks where men are working very close to the traffic. Plastic/rubber cones don't provide the protection of a brick wall so reducing the speed of the traffic is necessary, especially when lanes are narrower and less well defined.
 
I never realised they were "speed" cameras. THere's a few on the SW part of the M25, near the tunnel/bridge.

Noted this too:
These cameras have a major flaw. Who are the worst speeders on our roads ... Motorcycles. How do these cameras work... they photograph your front Licence plate. Do motorcycles have front licence plates ...... NO. Is it just me or is that crazy!
Allan, Camberley


I love these cameras. They face the oncoming traffic and so are utterly useless to stop me and other motorcyclists speeding whenever and wherever we wish. Thanks
Rider, Reading
 
I hate these. My car is pretty hard to keep at a constant speed, so you keep having to look at the speedo.



try that excuse with a police officer and see what he says:D

theres two set on my way to newcastle from near doncaster.they are there primarily to slow traffic down,as are the roadworks down there cos i have never seen anyone working on them in the last 3 months :mad:

you can just change lanes to avoid beign caught,i personally just stick to the 50mph as it onkly slows me down by about 2-3 minutes over the course of my 100mile journey:)
 
Not when there aren't any men there! Or if its the M4, when there aren't even any roadworks there!

I drove up that stretch of the M4 last night and there were big massive signs beside the cameras saying "CAMERAS NOT IN USE".

I hope they were right because I was going along at a fair old pace.
 
Roadworks where men are working very close to the traffic. Plastic/rubber cones don't provide the protection of a brick wall so reducing the speed of the traffic is necessary, especially when lanes are narrower and less well defined.

I'm sure they'd really enjoy getting hit at 50mph! "Thank God he was going at 50 Paddy, if that nutter had been going at 70, that would have really hurt!" :D

I have just found that I can change the warning sound on my TomTom for when I go over the speed limit - I've now got it set to a bugle 'go faster' sound :D
 
Don't forget that you're travelling at different rates.

For the 1st mile, you'd be travelling at 60mph. Therefore it takes you 1/60th of an hour to travel that distance ie 0.0166 (recurring) hours

The 2nd mile, you'd be travelling at 40mph, so it take you takes you longer - 1/40th of an hour to travel that distance ie 0.025 hours

Total distance is 2 miles which takes you 0.0416 (recurring) hours to travel that distance,

Therefore you're average speed over that distance is:-

2 miles / 0.0416 recurring = 48mph

Wrong, you've failed to take into consideration the time it takes to get from 60-40..which with the info given you cant calculate.

Just stick to 50, whats the point at travelling at 60 ' whatever and then dropping down to 40..pretty pointless.
 
They're on the M1 between J31 and J33 at the minute where they're extending it to 4 lanes, the amount of people who sail through at 70mph is unbelievable - maybe they know something I don't.
 
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