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Mobile Speed Cars To Curb Speeding In France
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RobBrady
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PostPosted: Thu Feb 28, 2013 7:45 pm    Post subject: Mobile Speed Cars To Curb Speeding In France Reply with quote

pocketgpsworld.com
The French police department is cracking down on speeding drivers by using a fleet of cars with built-in speed cameras and hidden detector radar.

A fleet of 300 Renault Meganes, each equipped with new generation speed cameras built into the dashboard and detector radars behind the number plate, will begin targeting high-speed motorists from 15 March.

The hi-tech cars have the capacity to detect speeding vehicles with the hidden radar, and photograph them without a flash, whilst moving at motorway speeds.

The unmarked vehicles will be driven by uniformed officers in around 20 departments, and will only be penalising drivers who overtake the cars during the initial trial period.

The cameras are programmed to snap motorists travelling at more than 10% above the speed limit of the road.

Senior Sécurité Routière official Aurélien Wattez said that the purpose-built Renaults were targeting drivers who disregard the speed limit and only slow down for road-side cameras.

The new measures have been introduced in a bid to reduce the number of deaths on French roads, with excessive speed blamed for 26% of fatal road accidents in 2012.

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M8TJT
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PostPosted: Thu Feb 28, 2013 8:27 pm    Post subject: Reply with quote

johnboy290 wrote:
View it as permanent average speed camera areas Smile
Nothing like it Rolling Eyes In speed camera terminology, 'average speed' involves measuring the time taken to travel a given distance. Or by measuring the distance travelled in a set time. Twisted Evil Twisted Evil
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cunnind
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PostPosted: Fri Mar 01, 2013 3:02 pm    Post subject: Reply with quote

When they displayed this on the news here in France the police stated that as the photos taken could not identify the driver they would only issue a fine and no points would be deducted. This leads me to ask how they issue points for fines issued by the fixed cameras that take rear end photos? There is a Mk 2 radar near where I live and that is a rear ender.

Laughing
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M8TJT
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PostPosted: Sat Mar 02, 2013 6:27 pm    Post subject: Reply with quote

Hi Honest Joe. I didn't intend to upset you. Sorrry.
The verifier 'rank' just means that I am one of the guys that goes out checking the validity of people's submissions.
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spook51
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PostPosted: Sun Mar 03, 2013 7:29 pm    Post subject: Reply with quote

Vascar has been a mobile measurement of average speed for decades, no?
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M8TJT
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PostPosted: Sun Mar 03, 2013 8:49 pm    Post subject: Reply with quote

Yes but the French idea seems to be speed cameras in moving cars rather than fixed or the usual 'fixed' mobile cameras. Technically easy, especially if the two cars are either following or a head on(ish) approach.
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JaTe
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PostPosted: Mon Mar 04, 2013 7:56 am    Post subject: Reply with quote

I think what spook51 was trying to say was that Vascar IS a mobile system, which it is or at least was, along with being a static option.
I remember it was simple enough to put a pre-fed or known distance that the patrol car covered into the computer and then sit and watch as suspect vehicles covered the same section of road, purely flipping the timer switch to obtain the speed.
In mobile mode, both time and distance switches would be used.
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M8TJT
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PostPosted: Mon Mar 04, 2013 9:56 am    Post subject: Reply with quote

Yes, I appreciate that. But vascar is just a D/T machine, not a camera as it is reported that the French are going to use.
Lead Post wrote:
......detect speeding vehicles with the hidden radar, and photograph them without a flash, whilst moving at motorway speeds.
That's the 'clever' bit that I think our Australian cousins have been doing for ages.
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JaTe
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PostPosted: Mon Mar 04, 2013 11:25 am    Post subject: Reply with quote

So is this combining existing video recording with radar feedback speed instead of the Police car speed as at present and taking a still from the video footage? The hidden radar may be new, I don't know what's current, but I don't see it as too different from what exists already.

My normal cruising speed home and abroad is around 62mph/100kph, so it shouldn't really affect me, I'm just intrigued by it.
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PostPosted: Mon Mar 04, 2013 11:41 am    Post subject: Reply with quote

M8TJT wrote:
Yes, I appreciate that. But vascar is just a D/T machine, not a camera as it is reported that the French are going to use.
Lead Post wrote:
......detect speeding vehicles with the hidden radar, and photograph them without a flash, whilst moving at motorway speeds.
That's the 'clever' bit that I think our Australian cousins have been doing for ages.

A friend of mine got nicked by a police car in New Zealand - got him head on and turned round to chase him down. He expressed amazement and they showed him the device mounted in the windscreen. Must be at least five years ago, maybe 10.
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JaTe
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PostPosted: Mon Mar 04, 2013 3:36 pm    Post subject: Reply with quote

Out of interest Dennis, did your friend say whether the NZ Police vehicle had photographic capability?
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PostPosted: Mon Mar 04, 2013 7:39 pm    Post subject: Reply with quote

Sorry, he didn't say and at the time I wasn't greatly interested (so it must have been before 2006). I can't ask him now as he passed away a few years ago.
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JaTe
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PostPosted: Mon Mar 04, 2013 8:04 pm    Post subject: Reply with quote

DennisN wrote:
Sorry, he didn't say and at the time I wasn't greatly interested (so it must have been before 2006). I can't ask him now as he passed away a few years ago.

Not a lot more can be said on that point then. I only asked as Vascar could operate in the same way.
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PostPosted: Mon Mar 04, 2013 8:41 pm    Post subject: Reply with quote

Radar from a moving vehicle is in NZ. It says
"Dash Mounted radar (aka moving radar) set up in police cars:
The first dash-mounted radars used in NZ was the Hawk K-band 24.150GHz radars manufactured by Kustom Signals Inc in the USA. These units can be used in stationary and moving mode, and can be used in "instant on" mode or "constant on" mode".
The source doesn't say it takes photos.

This seems that it would be OK for radar vehicle stationary, 'head on' (both moving) or 'following' (both moving) approaches withas a doppler radar system can calculate approaching or receding relative velocities pretty much instantly and if the radar vehicle's velocity is known w.r.t. te ground, then it's a piece of cake to calculate the target velocity w.r.t. the ground.

I suspect that you would have to be a bit smart to trap someone 'head on' with a VASCAR setup because of the closing speed and thus a suspect definite identification of the measurement start/stop locations.

Another thing interesting on that site is this
Quote:
Demerit Points
Exceeding the speed limit by up to 10Km/h - 10 pointsnts
Exceeding the speed limit by 11 - 20Km/h - 20
Exceeding the speed limit by 21-30Km/h - 35
Exceeding the speed limit by 31-35Km/h - 40
Note: only police officer issued speeding infringements incur demerit points
The bold is mine Very Happy
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DennisN
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PostPosted: Mon Mar 04, 2013 9:16 pm    Post subject: Reply with quote

Thanks, M8TJT. Now what's the effect of demerit points?
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