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mrchips
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Location: Kent, United Kingdom
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 Posted: Fri Jan 07, 2005 6:45 pm Post subject: GATSO SPECS REDLIGHT MOBILE CONTINENTAL A definition please |
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Can anyone tell me the differences between these safety camera types.
I think I can guess, but SPECS does defeat me, I must admit
regards
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DavidW
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Location: Bedfordshire, UK
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| Posted: Fri Jan 07, 2005 7:22 pm Post subject: |
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Gatso - fixed sites, be they Gatso or Truvelo.
Redlight - red light cameras (I don't believe there's any "red light and speed" cameras in the UK, but maybe I'm wrong in that).
SPECS - the 'average speed' system used in some parts of the country
Mobile - sites where portable speed traps, such as laser guns, have been reported.
Temp - temporary cameras in roadworks - these may be there for some months, but eventually they'll be removed once the roadworks are over.
Continental - non-UK cameras.
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Darren
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Location: Hampshire, UK
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| Posted: Fri Jan 07, 2005 7:48 pm Post subject: |
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SPECS is the most unusual and spreading like a rash through Nothamptonshire and some other areas (Tower Bridge in London has one).
You pass the first camera and it records your Vehicle Registration Number (VRN), then a set distance further along is another camera which does the same. The time you passed the first camera is compared againsta the time you passed the second, as the distance between cameras is already known your average speed between the cameras can be calculated, if that speed exceeds the speed limit then you get a ticket.
This system prevents the 'hit the brakes, speed camera' then speed up brigade. All the posts that have SPECS systems have the SPECS Logo on them. See http://www.ukspeedtraps.co.uk/specs.htm for a more detailed explanation as well as information on all the other types out there.
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gingernut777
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| Posted: Sun Jan 16, 2005 8:33 am Post subject: |
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| DavidW wrote: |
Redlight - red light cameras (I don't believe there's any "red light and speed" cameras in the UK, but maybe I'm wrong in that).
David |
There are some around the country
Here one somewhere in the west midlands.
http://www.stvincent.ac.uk/Resources/Physics/Speed/road/redlt.html
and there's some in Preston Lancs.
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Darren
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| Posted: Sun Jan 16, 2005 10:31 am Post subject: |
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Indeed many more Red Light Cameras are being converted to dual purpose Red Light / Speed Camera Service.
It may well reach the point that a seperate database is no longer necessary!
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Tim Buxton
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| Posted: Sun Jan 16, 2005 3:14 pm Post subject: |
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That example isn't a speed camera though, is it? As I understand it the camera is only active if the traffic lights are at red. Sure it gives a speed readout, but don't all redlight cameras behave this way?
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Darren
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| Posted: Sun Jan 16, 2005 4:05 pm Post subject: |
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FWIW, Monitron are the manufacturers of the new combined Red Light and Speed Camera units. Their 'RedSpeed' devices have three modes, RedLight, RedLight & Speed and Speed.
All installations in Avon are in the process of being upgraded to these devices and worse still they're digital so don't require frequent changes of film.
www.monitron.co.uk
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gingernut777
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| Posted: Mon Jan 17, 2005 7:55 am Post subject: |
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| Tim Buxton wrote: |
That example isn't a speed camera though, is it? |
It wasn't meant to be an example of a "Speed Camera" It was a picture from a "Redlight" camera. It HAS to register the speed of the car in case the driver was attempting to stop, but crossed the threshold of activation.
This is why it takes several pictures, as in the examples.
How many times have you seen drivers jumping the single amber light, only to end up crossing on red,and not attempting to stop,.
Where do you draw the safety line??
According to the highway code, "which is only Rules of the road" not law, you supposed to stop at single amber, unless unsafe to do so.
http://www.highwaycode.gov.uk/signs01.shtml
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Darren
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| Posted: Mon Jan 17, 2005 8:16 am Post subject: |
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| gingernut777 wrote: |
According to the highway code, "which is only Rules of the road" not law, you supposed to stop at single amber, unless unsafe to do so. |
Whilst the Highway Code its;ef may be a collection of rules, many of the rules it lists are in fact legal requirements and you commit a criminal offence if you fail to obey them.
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Tim Buxton
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| Posted: Mon Jan 17, 2005 1:47 pm Post subject: |
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| gingernut777 wrote: | | It wasn't meant to be an example of a "Speed Camera" It was a picture from a "Redlight" camera. |
I thought that this discussion was about combined Redlight and Speed (e.g. Dual Purpose) cameras. I was questioning whether or not your example actually was one of these.
| gingernut777 wrote: | It HAS to register the speed of the car in case the driver was attempting to stop, but crossed the threshold of activation.
This is why it takes several pictures, as in the examples.. |
I thought that if you crossed the line on red, you were prosecuted, whether you were slowing down or not, except in exceptional circumstances. Also, can the activity of slowing down be determined by just two photographs? I would say not; two pics can only determine an average speed between the two points, surely, not changes in speed?
| gingernut777 wrote: | | How many times have you seen drivers jumping the single amber light, only to end up crossing on red,and not attempting to stop,. |
Countless.
| gingernut777 wrote: | Where do you draw the safety line??
According to the highway code, "which is only Rules of the road" not law, you supposed to stop at single amber, unless unsafe to do so.
http://www.highwaycode.gov.uk/signs01.shtml |
Agreed.
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