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53 in 50 zone on A road

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Mr White
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PostPosted: 22:43 - 22 Apr 2010    Post subject: 53 in 50 zone on A road Reply with quote

I was traveling on a A road doing 65mph, I looked at my sat nav and I missed a 50mph speed sign I think it was there as the other cars started slowing down (btw my sat nav hasent been updated in years and was showing that the speed limit is 70)

I slowed down, passing the cameras at 53mph.

https://www.a77safetygroup.com/content_files/soEdit_images/Image%2019%20-%20SPECS.JPG
These were overoad cameras, 2 sets of them each way.
If it clocked me they only got my helmet (tinned visor).
Could the other camera (on the other side of the road) be used to ID me? Or is it for the trafic going the other way only?
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ms51ves3
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PostPosted: 22:49 - 22 Apr 2010    Post subject: Reply with quote

Was that 53mph on your speedo? It's possible with the inaccuracies that you are below the speed limit anyway.
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swiftb
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PostPosted: 22:50 - 22 Apr 2010    Post subject: Reply with quote

that looks like an average speed speedcamera? Thinking
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Kickstart
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PostPosted: 22:53 - 22 Apr 2010    Post subject: Reply with quote

Hi

That is a SPECS camera. Notes down the registration plate at each camera to know when a car passes each one, and compares the times for a registration plate between the 2 to work out the average speed.

Doesn't matter what speed you pass the actual cameras at, just the average between them.

All the best

Keith
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SamJL
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PostPosted: 22:56 - 22 Apr 2010    Post subject: Reply with quote

Apparently they dont work if you change lane, and usually there forward facing, so pretty much useless for bikes!

Although, they now have rear facing ones all over the Cat and Fiddle Sad
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Rufus
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PostPosted: 22:57 - 22 Apr 2010    Post subject: Reply with quote

if you were doing 53 it's going to be slightly under as speedos over-read slightly. and with the speed camera discrepancy rate of + around 3 mph you should be fine Thumbs Up
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Mr White
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PostPosted: 22:59 - 22 Apr 2010    Post subject: Reply with quote

ms51ves3 wrote:
Was that 53mph on your speedo? It's possible with the inaccuracies that you are below the speed limit anyway.

53 on my sat nav, speedo is less accurate.

swiftb38 wrote:
that looks like an average speed speedcamera? Thinking

I think it was, when I was approaching next set of these. I seen the speed sign and 'average speed camera' sign.

Kickstart wrote:
Hi

That is a SPECS camera. Notes down the registration plate at each camera to know when a car passes each one, and compares the times for a registration plate between the 2 to work out the average speed.

Doesn't matter what speed you pass the actual cameras at, just the average between them.

All the best

Keith


So how does it work? Lets say I covered that distance very fast, lets say I was doing 100mph. Would I get a ticket?
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swiftb
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PostPosted: 23:03 - 22 Apr 2010    Post subject: Reply with quote

It still dismays me how many people slow down as they pass them then shoot off, to slow down for the next one. Obviously they dont grasp the meaning of the word average too well.
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SamJL
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PostPosted: 23:07 - 22 Apr 2010    Post subject: Reply with quote

Mr White wrote:

So how does it work? Lets say I covered that distance very fast, lets say I was doing 100mph. Would I get a ticket?


Probably not, unless you have a registration on the front of your bike!
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Rowey
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PostPosted: 23:10 - 22 Apr 2010    Post subject: Reply with quote

I've been through loads of these without caring about my speed. The forward facing ones can't read your plate therefore can't track you.
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Kickstart
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PostPosted: 23:11 - 22 Apr 2010    Post subject: Reply with quote

Mr White wrote:

So how does it work? Lets say I covered that distance very fast, lets say I was doing 100mph. Would I get a ticket?


If you have a front numberplate then yes. Say you slow from 100mph through the first camera to 53 through the 2nd camera then the average would be 76.5mph.

All the best

Keith
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ms51ves3
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PostPosted: 23:24 - 22 Apr 2010    Post subject: Reply with quote

SamJL wrote:
Although, they now have rear facing ones all over the Cat and Fiddle Sad


Have you actually seen then? I went up there after the claimed installation of the cameras and saw nothing.
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el_oso
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PostPosted: 23:44 - 22 Apr 2010    Post subject: Reply with quote

i believe that there is a forward facing camera on tower bridge.

speed = distance/time

if the distance between the two cameras is 1 mile and it take you 60 seconds to do that distance then you are travelling 60 mile an hour.
i would imagine that the cameras would measure the time taken between successive number plate reads.
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StevenF
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PostPosted: 23:47 - 22 Apr 2010    Post subject: Reply with quote

I've always wondered about these with bikes - do they just ignore them? I'm talking about the forward facing ones. Question
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SamJL
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PostPosted: 23:59 - 22 Apr 2010    Post subject: Reply with quote

ms51ves3 wrote:
SamJL wrote:
Although, they now have rear facing ones all over the Cat and Fiddle Sad


Have you actually seen then? I went up there after the claimed installation of the cameras and saw nothing.


Yeah, there at the buxton side, was up there 2 weeks ago!

Also, there at the end of the dumps, the road off the cat and fiddle just after the pub! There only at the end of that road though! Its an awesome road aswell!
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Alexio
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PostPosted: 00:01 - 23 Apr 2010    Post subject: Reply with quote

With forward facing average speed cameras you can speed as fast as you like on a bike. Indeed, on my little CG i've been going 70MPH past cars stuck doing 50MPH before in an average speed zone Very Happy

If I ever get a ticket I shall let you all know Wink
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Barry_M2
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PostPosted: 08:09 - 23 Apr 2010    Post subject: Reply with quote

Kickstart wrote:
Mr White wrote:

So how does it work? Lets say I covered that distance very fast, lets say I was doing 100mph. Would I get a ticket?


If you have a front numberplate then yes. Say you slow from 100mph through the first camera to 53 through the 2nd camera then the average would be 76.5mph.

All the best

Keith


Only if it clocked your speed as you went past each camera, but as it works out the speed over time and distance, then it all depends on how long it took you to travel between the two. Not how fast you actually pass each camera at. Wink

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DrDonnyBrago
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PostPosted: 09:23 - 23 Apr 2010    Post subject: Reply with quote

I always drive 55mph in my car on 50mph SPECS controlled areas, my speedo will read high, the cameras wont nick you at 50 so all is good Thumbs Up .
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pepperami
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PostPosted: 10:38 - 23 Apr 2010    Post subject: Reply with quote

Hmmmm! another thread about the curse of speed cameras.... cant think why but it`s got me thinking about bonfires Shocked Laughing
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Kickstart
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PostPosted: 12:18 - 23 Apr 2010    Post subject: Reply with quote

StevenF wrote:
I've always wondered about these with bikes - do they just ignore them? I'm talking about the forward facing ones. Question


They wouldn't even register the bike. They are just looking for a numberplate. No numberplate so to them no vehicle.

Barry_M2 wrote:

Only if it clocked your speed as you went past each camera, but as it works out the speed over time and distance, then it all depends on how long it took you to travel between the two. Not how fast you actually pass each camera at. Wink


Fair point as I was simplifying it assuming the person slowed down at an even speed from the 1st to the 2nd camera.

All the best

Keith
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Finglonga
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PostPosted: 12:31 - 23 Apr 2010    Post subject: Reply with quote

SamJL wrote:
Apparently they dont work if you change lane, and usually there forward facing, so pretty much useless for bikes!



That loophole was closed over 5 years ago.
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SamJL
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PostPosted: 12:32 - 23 Apr 2010    Post subject: Reply with quote

Finglonga wrote:
SamJL wrote:
Apparently they dont work if you change lane, and usually there forward facing, so pretty much useless for bikes!



That loophole was closed over 5 years ago.


Fair enough, seemed like a pretty stupid loophole to have in the first place.
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Carl_steveo
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PostPosted: 13:15 - 23 Apr 2010    Post subject: Reply with quote

If you were travelling at say 100mph through the first camera and then pulled over into the hard shoulder just before the second camera and waited for about 15 minutes, had a tab etc and then carried on. You would be fine right ???
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Wafer_Thin_Ham
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PostPosted: 19:12 - 23 Apr 2010    Post subject: Reply with quote

Kickstart wrote:
Mr White wrote:

So how does it work? Lets say I covered that distance very fast, lets say I was doing 100mph. Would I get a ticket?


If you have a front numberplate then yes. Say you slow from 100mph through the first camera to 53 through the 2nd camera then the average would be 76.5mph.

All the best

Keith


I love how this post has been disagreed with. Not sure how you can disagree with mathematical fact. Laughing
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Kickstart
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PostPosted: 20:34 - 23 Apr 2010    Post subject: Reply with quote

Carl_steveo wrote:
If you were travelling at say 100mph through the first camera and then pulled over into the hard shoulder just before the second camera and waited for about 15 minutes, had a tab etc and then carried on. You would be fine right ???


Yes, but if it was some road works then there probably wouldn't be a hard shoulder to pull over on. And stopping in the middle of the road in some road works would probably not be popular with PC Plod.

All the best

Keith
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Old Thread Alert!

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