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Dixie
PostPosted: Fri Feb 15, 2008 19:26 
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From my local free paper

Quote:
Drivers praised for taking feet off the pedal

DRIVERS in Ellesmere Port have been praised for sticking to the speed limit.

Police Community Support Officers from Ellesmere Port Community Action Team took to the streets with a SID (Speed Indicator Display) device which shows how fast cars are travelling and displays the results in huge figures for drivers to see as they go past.

This is the first time the device has been used in Ellesmere Port and it would seem the majority of drivers are sticking to the limits.

But there are some who insist on driving too fast, with more than 40 clocked on one day travelling at more than 35mph. PCSO Sarah O'Flanagan said: "We decided to use the SID following information from residents that drivers were simply going too fast near to the schools and the church on the Rossmore Ward.

"Thankfully most drivers are being responsible and are staying well within the restrictions, but there are some who are flouting the speed limits and potentially putting lives at risk.

"It is all too easy to break the speed limit and through campaigns like this we aim to educate drivers as to just how fast they are travelling and what the potential repercussions could be." She added: "Those who are caught by the SID machine will be sent a letter telling them they have been caught speeding and advising them that, if caught again, they run the risk of being prosecuted.

"This should act as a warning to them and shock them into addressing their driving behaviour." PCSO O'Flanagan and her colleagues
are now appealing for volunteers in the Ellesmere Port area who would be willing to assist with future speeding campaigns. Many communities in the
Western Area of Cheshire Constabulary already have these schemes in place and they are not only popular, they also help officers take steps towards reducing the problem of speeding on the area's roads.

If you are interested in getting involved in the Ellesmere Port campaign contact PCSO O'Flanagan on 0845 458 6373. Full training will be given to enable all volunteers to use the equipment.


Just how accurate are these SID's?

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Last edited by Dixie on Fri Feb 15, 2008 19:45, edited 1 time in total.

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Rigpig
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PostPosted: Fri Feb 15, 2008 19:38 
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Ohhhh wow :o

Smiling SIDS being used
Sending out letters on the basis of a Smiling SID
A PCSO as the point of contact
The 'real' popularity of these schemes

Its a veritable goldmine of things to complain about.. :lol:

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adam.L
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PostPosted: Fri Feb 15, 2008 19:43 
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how accurate?

I drove past one of those signs that flashes if you go over 30mph on Wednesday. It flashed me. Which is quite funny as I was doing 43.7kph at the time on a tractor, with a radar. That tractor used to be on the sprayer so the speedo is correct. The engine only has so many revs and it if was doing over 30 would have been screaming it's head off. It wasn't.
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Draco
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PostPosted: Sat Feb 16, 2008 03:36 
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Yup! Same here, ...... Definately less than the speed limit and got the "Slow Down".......frown.

Doesn't give you any confidence about their "speed cameras" does it?..... :roll:
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jomukuk
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PostPosted: Sat Feb 16, 2008 09:47 
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Their accuracy is hardly relevant, the speed they react to can be set on installation, or lowered later. The ones around me usually react from 28 upwards (30 limit). Since they use the same basic speed detection electronics as gatso units they are not going to far off their set operating limit. 43.7 is about 27 mph....so it wasn't doing badly !

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Twister
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PostPosted: Sat Feb 16, 2008 12:49 
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jomukuk wrote:
Their accuracy is hardly relevant, the speed they react to can be set on installation, or lowered later. The ones around me usually react from 28 upwards (30 limit). Since they use the same basic speed detection electronics as gatso units they are not going to far off their set operating limit. 43.7 is about 27 mph....so it wasn't doing badly !


I suppose it depends on how you define "accurate". Is it...

...how accurately the sensor measures the speed of your vehicle?

OR

...how accurate the resultant feedback from the device attached to that sensor is?


You may be right in suggesting that the SIDs are capable of accurately measuring speeds, but the problem is that IME the majority of them are then set up to trip at a speed below that which is supposedly the issue. And from the end user point of view, it doesn't matter in the slightest whether or not their speed was initially measured to an accuracy which the NPL would be proud of, it only matters that, despite what their own speedo/GPS/other speed measuring device says, the &*£$#ing SID still accused them of speeding...


For those SIDs being used as a warning of hazards (S-bends, junctions etc.), then I don't mind them tripping at a sub-limit speed provided the trip speed isn't set so low that any half-decent driver who's already slowed down in readiness to negotiate the hazard still ends up tripping the SID. But if a SID is just being used as a reminder of the speed limit, then for it to be tripping at *anything* less than the speed limit means it's doing really badly.

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adam.L
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PostPosted: Sat Feb 16, 2008 17:19 
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jomukuk wrote:
Their accuracy is hardly relevant, the speed they react to can be set on installation, or lowered later. The ones around me usually react from 28 upwards (30 limit). Since they use the same basic speed detection electronics as gatso units they are not going to far off their set operating limit. 43.7 is about 27 mph....so it wasn't doing badly !


Not the first time I have driven past that sign on that machine, but the first time it has flashed me. Didn't flash me in the car earlier today. It's opposite a school, which is on half term :roll: anyway, in the class room it his hard from me to run them over no matter how fast my tractor was going :lol:
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adam.L
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PostPosted: Sat Feb 16, 2008 17:23 
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adam.L wrote:
jomukuk wrote:
Their accuracy is hardly relevant, the speed they react to can be set on installation, or lowered later. The ones around me usually react from 28 upwards (30 limit). Since they use the same basic speed detection electronics as gatso units they are not going to far off their set operating limit. 43.7 is about 27 mph....so it wasn't doing badly !


Not the first time I have driven past that sign on that machine, but the first time it has flashed me. Didn't flash me in the car earlier today. It's opposite a school, which is on half term :roll: anyway, in the class room it his hard from me to run them over no matter how fast my tractor was going :lol:


...and before anyone says what about running them over when they are walking to school, it is a posh independant and Mummies X5 is keeping them safe and when they are going home the road speed is slower than I can cut the hedge at in 1st gear, so less than 2kph.
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