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Average Speed cameras - 1200 people caught on M54

 
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Pagwarrior
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Joined: Oct 13, 2013
Posts: 3

PostPosted: Wed Nov 27, 2013 8:45 am    Post subject: Average Speed cameras - 1200 people caught on M54 Reply with quote

With the Recent news that 1200 people have caught on the M54
Article here
http://www.shropshirestar.com/news/2013/11/11/m54-average-speed-cameras-catch-1200-drivers-in-shropshire/

Some points to discuss

What is the allowed tolerance

If you exceed the limit by more than at any one point by more than the tolerance is this a possible offence or is it strictly the average

Any opinions or information generally
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M8TJT
The Other Tired Old Man
The Other Tired Old Man


Joined: Apr 04, 2006
Posts: 10118
Location: Bexhill, South Sussex, UK

PostPosted: Wed Nov 27, 2013 9:16 am    Post subject: Re: Average Speed cameras - 1200 people caught on M54 Reply with quote

Pagwarrior wrote:
What is the allowed tolerance
This is a QI type 'Nobody Knows' question. It has been mooted that the recommendation is 10% +2MPH thus making 50MPH 'limit' to be 57MPH. And with speedos over reading, this would probably be an indicated speed of 60MPH.
Quote:
If you exceed the limit by more than at any one point by more than the tolerance is this a possible offence or is it strictly the average
The Specs camera zones only calculate average speed by Distance/time, they do not measure instantaneous speed.
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DennisN
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PostPosted: Thu Nov 28, 2013 8:40 am    Post subject: Reply with quote

What's to discuss? Should we discuss how to get the absolute maximum speed out of them or should we discuss how to interpret the word "average"?

The idea of these cameras is to keep ALL drivers UNDER the limit ALL THE WAY through the area. That's a simple enough thing to do - stay under the posted limit all the way through. If we start to try and juggle over and under, we'll come a cropper one day.
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Pagwarrior
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PostPosted: Fri Nov 29, 2013 9:44 am    Post subject: Reply with quote

DennisN wrote:
What's to discuss? Should we discuss how to get the absolute maximum speed out of them or should we discuss how to interpret the word "average"?.


Tired old man . quite apt really
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DennisN
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PostPosted: Fri Nov 29, 2013 12:48 pm    Post subject: Reply with quote

Pagwarrior wrote:
DennisN wrote:
What's to discuss? Should we discuss how to get the absolute maximum speed out of them or should we discuss how to interpret the word "average"?.


Tired old man . quite apt really

Tired old man who's done 20,003 miles since 1st August (this year) and has been driving at more than that sort of mileage for the last 14 years. Rolling Eyes
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Dennis

If it tastes good - it's fattening.

Two of them are obesiting!!
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bmuskett
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Joined: May 12, 2006
Posts: 710
Location: Stockport, Cheshire

PostPosted: Fri Nov 29, 2013 1:02 pm    Post subject: Re: Average Speed cameras - 1200 people caught on M54 Reply with quote

Pagwarrior wrote:
Tired old man . quite apt really

Totally uncalled for. What Dennis said is quite true.

Pagwarrior wrote:
If you exceed the limit by more than at any one point by more than the tolerance is this a possible offence or is it strictly the average

It's the speed limit, if you exceed it at any point it's definitely an offence.

The object is NOT to try to make your average speed between the cameras equal to the speed limit by breaking the speed limit to compensate for slower stretches.

As Dennis said, stay under the speed limit all the way through and you won't have a problem with your average speed.
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