The Speed Camera Thread - Volume 33 - Dynamic Dave

**** THREAD CLOSED, PLEASE CONTINUE DISCUSSION IN

"The Speed Camera Thread - Volume 34" ****


www.honestjohn.co.uk/forum/post/index.htm?t=32000


For the continued discussion of all things pertaining to Speed Cameras.

This is Volume 33.

There is no need to repeat anything since earlier volumes will not be deleted. But then if we only posted original stuff the backroom would grind to a halt in a fortnight.

;o)

A list of previous volumes can be found here:-
www.honestjohn.co.uk/forum/post/index.htm?t=18846

DD.
M4 Speed Camera Protest - turbo11

{This debate continues from Volume 32, which was entirely on the subject of the forthcoming M4 speed camera protest. DD}


I think the protest is a very good idea.It is not about speed limits.We are fed up with the over proliferation of cameras.Whilst they are a good idea in certain built up areas and/or near schools.They are spreading everywhere and they dont catch dangerous/reckless/drunk/untaxed/un-insured drivers.When was the last time you saw a camera just before a blind bend or dangerous curve?.
How many times have you driven through an unfamiliar town and spend more time looking out for speed cameras and concentrating on your speedo than paying attention to the road in front.I know i do.
M4 Speed Camera Protest - Ex-Moderator
Sorry - are you arguing for less enforcement of speed limits or more enforcement of other laws ?

If it is about less enforcement of speed limits then your comment "It is not about speed limits" is a little bit silly.

It it is about more enforcement of other laws, then driving slowly on the M4 seems a daft way of going about it.
M4 Speed Camera Protest - Thommo
I have come late to this debate but I have to disagree with Mark that driving slowly around the M4 is daft.

It is not daft it is desperate and we are forced to it by London based members of the Scottish Raj who swan around England in chaffeur driven cars with police escorts who force their way through traffic jams in the name of 'security' and who'se drivers get let off when caught speeding because they were doing it in response to an undisclosed 'security' threat. Allied to them are London based anti-capitalist groups who see the car as an abomination. I am reminded of the Duke of Wellington who was against the railways as it would encourage the peasants to move about.

I unfortunately can not be there but I wish them well, they will probably achieve nothing but at least they are making a gesture.
M4 Speed Camera Protest - buzbee
Anyone else getting fed up with the way some contributers dominate discussion threads? Contributing the same views for the umpteenth time is not exactly interesting reading and doesn't exactly encourage other contributers.
M4 Speed Camera Protest - No Do$h
No more or less valid an approach than a dozen contributors all spouting the same view.

::shrugs::

Thats discussion for you.

No Do$h - Alfa-driving Backroom Moderator
mailto:moderators@honestjohn.co.uk
M4 Speed Camera Protest - Burnout2
My suggestion that the M4 speed traps constituted a "zero tolerance" enforcement of the 70mph limit was earlier brushed aside (with much scorn) in this thread.

Perhaps those who plan to drive between J14-18 at precisely 77mph, secure in the knowledge that their GPS systems and never under-reading speedos are keeping them ssafe, might like to bear in mind this direct quote from Saira Khan of the "Wiltshire and Swindon Safety Camera Partnership" -:

"I cannot say what the trigger speed is going to be"

Unless someone has confirmation from the same source that the margin of "tolerance" is in fact8mph, I'd be observing the limit fairly exactly if I was in the area.


M4 Speed Camera Protest - Ex-Moderator
>>Perhaps those who plan to drive between J14-18 at precisely 77mph,

[sigh]

If I drive at an indicated 70mph my speed is somewhere between 63mph and 70mph. For my actual speed to break the speed limit my speedo would have to show at least 77mph and potentially upto 84mph.

If I drive at an indicated 70mph my margin of safety is somewhere between 7mph and 14mph - that is a lot. (upto 20%)
M4 Speed Camera Protest - Burnout2
I was not making a point about the margin of safety enabled by under-reading speedometers.

I was making a point about the margin of (in)tolerance applied by the authorities to your *actual* speed.

Which may or may not be zero.

For those, like you, who derive a comprehensive understanding of their own range of possible velocities from a single speedometer reading, the fact that the trigger speed of these traps may be set at 71mph rather than the popularly supposed 78mph reduces the maximum "safe" speedometer reading at which you can travel.

Simple enough for you to understand?





M4 Speed Camera Protest - Altea Ego
oo oo oo - Name names my little yellow telecom bird friend. I love scandal.
M4 Speed Camera Protest - Imagos
Well it must be you RF you keep reapeating yourself.

Well it must be you RF you keep reapeating yourself.

Well it must be you RF you keep Well it must be you RF you keep reapeating yourself.reapeating yourself.

M4 Speed Camera Protest - Ex-Moderator
Thommo,

Its a question of presentation (or even "spin" if you prefer.

The electorate as a whole isn't all that bright. However bright individual members of it might be, the mass is a little simplistic.

There is little point in trying to convince them of complex points or trying to argue against their "principles".

It is a battle of perception and marketing.

The "Speed is bad" crowd have a couple of things going for them;

1) Drivers can't be trusted and there are a portion of nutters in there showing that speed limits are required.
2) The laws of physics says that you must do more damage to me if you hit me at 70mph than if you hit me at 10mph.
3) Law enforcement is generally perceived to be a good thing.
4) Whatever the reality it seems logical that there must be less accidents at 30mph than at 70mph
5) People are killed. 1 or 1 million, people are killed.

1) What can you say. There must be enforcement against the nutters and the fools.
2) Arguing this is pointless. Its true.
3) Arguing against enforcement is not going to work. Mr and Mrs averag, along with a bunch of officialdom, are never going to admit that enforcement shouldn't be carried out. You'll never get past the "don't speed then cameras are no issue" argument. Emotionally there is just no where to go with this.
4) This isn't true. There can be less speed at a higher speed if it is the appropriate speed for a road.
5) People are always killed, you just can't argue against it.

Given all of that I don't see that there is any argument to be had other than 4). Or at least no argument that will will over a bunch of people taking an emotive and simplistic view of the situation.

So lets hammer that one. Surely the argument "speed limits must be appropriate and then totally enforced" would be an statement which would be very difficult to argue against - by anyone, including the "Speed is bad" people.

Lets focus on how those limits get set, and make sure that they are set reasonably - including variable limits and the like.

Most of the other arguments are spurious and harmful.

Who do you think is ever going to hear "I can't look at my speedo and still drive safely" and decide to remove cameras ?

Who do you think is ever going to hear "there's too many burglaries" and decide to remove cameras ?

Who do you think will ever hear any argument against enforcement and decide to remove cameras.

Because your problem is that the masses believe individual speed limits and speed limits as a whole to be reasonable.

And there lies the problem - because frequenty they are not.

If the limit on a motorway was 1,000 mph would you care about the cameras ? Of course not. If the limit was 10% fdaster than anybody could conceivably consider safe would you care about the cameras ? Of course not.

The problem is *NOT* the cameras. The problem *IS* the limit. One speed limit will never fit all approaches, all conditions or all roads - but one approach to speed limit setting might do so. Which is handy, because you'll never win the arguments about cameras, but you could win the one about speed limits.

And driving slowly around the M4 might make a difference and be an effective process *IF* you were protesting about something reasonable.

1) Against speed cameras - losers.
2) Against the enforcement of laws other than speed limits - losers
3)Against the methods used for setting speed limits - well as part of a campaign that might work. And its the only hope you've got.

And that is quite enough from me.


M4 Speed Camera Protest - Obsolete
Thommo,
Its a question of presentation (or even "spin" if you prefer.
The electorate as a whole isn't all that bright. However bright
individual members of it might be, the mass is a little
simplistic.
[snip]


Mark: It's a question of balance. The current policy is going to extremes and is unbalanced. Next we'll have a man with a red flag walking in front of each and every car. I see lots of speed cameras, and the ones on the M4 worry me. Although I observe limits, apart from those on motorways, were my speedo to be off by 5mph, then I might lose my licence which is hardly fair. So what am I to do? Have my speedo checked every week? Install an accurate and expensive GPS system that uses satellites to check my speed? Where I live cyclists are lunatics (no lights at night, wrong side of the road) and I might be wrong but I see no police presence to clean up their act. I also get tailgated such as this morning, which is dangerous driving, and I see no police trying to stop tailgating or other examples of dangerous driving.

Leif
M4 Speed Camera Protest - NowWheels
When was the last time you saw a camera just before
a blind bend or dangerous curve?.


Pay a visit to my chunk of West Yorkshire, and you'll see that plenty of the cameras near me are on dangerous bends.

Interestingly, though, the area where there had been the highest number of fatal accidents was on a wide and straight bit of road. No fatal accidents there since cameras installed a few yaears ago.
M4 Speed Camera Protest - patently
Pay a visit to my chunk of West Yorkshire, and you'll
see that plenty of the cameras near me are on dangerous
bends.


Same here, NW. It's just that by "on" a bend, they mean "just after". Not "just before".
M4 Speed Camera Protest - Bromptonaut
Same here, NW. It's just that by "on" a bend,
they mean "just after". Not "just before".


And in Northants where we have a bi directional Truevelo protecting staggered junction with a history of accidents to right turners. Situated between side and perhaps 100 metres from either.

But you cannot win with the antis. These are said to be badly situated as folks pass the camera on the limit then accelerate into the hazard.
M4 Speed Camera Protest - Number_Cruncher
Taking a different approach, I would favour abolishing speed limits on most roads. (Fits in with my views on getting rid of street furniture, signs, paint and other distractions:-))

The rule should simply be that one should always be able to stop in the distance one can see to be safe.

If the motorway is foggy, drivers adjust their speed to the conditions. Why not under *all* conditions?

How would this be enforced? Currently, if the police see you doing something which in their opinion is dangerous, for example doing 70 on the motorway in heavy fog, do they have the power to 'do you'? If so, this principle could simply be extended to all conditions.

IMO, the specification of a fixed speed limit at all is the problem.

number_cruncher
M4 Speed Camera Protest - IanJohnson
I presume that they dare not run the protest during the week - Just imagine if traffic flowed better during the protest than it did normally ! ! ! ! !
M4 Speed Camera Protest - patently
IMO, the specification of a fixed speed limit at all is the
problem.


Together with the assumption that the only way to improve safety is to slow down. Yes, it's one way, but not the only one.
But you cannot win with the antis. These are said to be badly
situated


No, that's not my only gripe. But the siting usually provides evidence to support a cynical hypothesis.
as folks pass the camera on the limit then accelerate into
the hazard.


Speak for yourself. But how is that worse than not telling people about the hazard until 2 weeks later?
M4 Speed Camera Protest - Bromptonaut
Patently;
>> as folks pass the camera on the limit then
accelerate into
>> the hazard.
Speak for yourself. But how is that worse than not
telling people about the hazard until 2 weeks later?


I don't speak for myself, rather relay the message from the anti's. The hazard is well signed, the camera dayglo (and forward facing). How much more warning do folks need?
M4 Speed Camera Protest - patently
We probably have different hazards in mind, so are arguing about different things. There are plenty of camera sites near my home & office that fit my description.

I'm not a pure anti; I do believe that cameras can be used in ways that promote road safety. I could point to examples of these. But they can also be used in ways that have no benefit to road safety but plenty of benefit to the SCP's finances. And, sadly, I can point to examples of these also. The misused cameras undermine the benefit of those that are properly used by taking their credibility away. After all, if you have little brain and can point to plenty of cynically-sited cameras, why not go past at the limit and then accelerate away?

It also upsets me when those in charge of road safety can only suggest reducing speeds. Yes, at a higher speed the same accident is dangerous, and higher speed gives less reaction time. So it is relevant, but it is not the sole cause and speeding is certainly not the same as speed per se. I've had my share of accidents :-( , all (all) of which were below the limit despite the fact that most of my commute is spent above the limit. Yes, if I'd been slower then it might not have happened. But if I'd stayed in bed that day, they wouldn't have happened. Their causes were not speed, but other factors, factors that are being ignored.

So when a road has a poor safety record, there is a speeding enforcement campaign, but nothing is done to make the road safer. It just reminds drivers to take care for those weeks. And when the speeding enforcement campaign leaves the M4, it will still be just as dangerous. People will still get bored witless and fall asleep on it.

Just like those reading this post, in fact, as I seem to have repeated myself sonewhat. But a call for nuanced and intelligent thinking never really comes across well, does it? And, of course, I criticise the safety police, so to some people I will look like a speed-crazed maniac. Ah well.
M4 Speed Cameras - where are they? - Hughm
I've been travelling the M4 every weekday morning and evening since well before the speed check was announced and I have never seen a speed camera or a van on any of the bridges from J15 through to J13. Or have I missed something?

Hugh
M4 Speed Cameras - where are they? - hcm
re the m4 cameras

hughm asked a very good question - 'where are they?'

i've driven up and down the m4 several times since they were due to be up and haven't seen a thing either.


Working. Aren't They? - Adam {P}
Dave, Al, Hugo or Mark. Whichever of you have to move this, sorry but indulge me. Just want to catch attention.

Headline news this morning; the Home Office reports of a record 45% increase in speeders caught by cameras.

I do love it when these things cut speed. I'm told they cut deaths to but have yet to say any evidence.

Sorry again.

--
Adam
Working. Aren't they? - Adam {P}
Jeez. Too early.

I of course meant, "Working. Aren't They?"

Sorry!
--
Adam
Working. Aren't They? - volvoman
The only thing that surprises me about this is that despite ALL the news coverage, press articles, forum threads, etc. etc. etc., so many people are being caught. I mean their existance is hardly a state secret is it. Is there anyone in the UK who DOESN'T know that speed cameras exist and, aside from odd technical problems, only tend to go off when drivers exceed the speed limit?

What's the defence to speeding? I didn't know the limit; I couldn't control my car?

IMO the vast majority who get caught are either NOT paying attention to what they're doing (just a bit dodgy when behind the wheel of a car) or they're doing it deliberately and then start whining when they get caught. In all honesty I don't have much sympathy for either group.
Working. Aren't They? - Adam {P}
I find myself in both camps VM .

I don't have a defence. Similarly, I know it's against the law and so, anyone doing it should be punished.

However, I don't like this "not paying attention and so can't see the camera" business. It's not cameras I have a problem with, it's the vans that annoy me. On the Thelwall Viaduct last year, they were operating out of a green Punto - hardly obvious.

I'm a subscriber to the theory that it's the proliferation of cameras coupled with the lowering of limits that has caused the problem. I think it the limits were as they were 10 years ago, people wouldn't have anywhere near as much as a problem.

That being said, the law is the law. Whether people obey it or not, doesn't mean they have to agree with it.

As a side note, surely if you can see the speed trap from miles away, (not literally), you're going to obey the speed limit. I don't understand what a hidden van is going to do - even after you get the letter 14 days later.

Oh well - I hadn't posted on cameras for a while. You didn't expect me to stay quiet did you?

;-)

--
Adam
Working. Aren't They? - volvoman
If you examine policing you'll find that the authorities use a mix of covert and overt tactics. IMO there is a need for both. If every road was littered with bright orange cameras or traffic cops would the speed brigade be any happier? I doubt it. Given that so many people knowingly break the law the only practical alternative is to use a combination of both static cameras and mobile units - that way people know they might get caught wherever they are. Anyone with a brain and the right technology can easily find out where static cameras are and avoid them only to carry on speeding immediately thereafter. Surely relying entirely on static cameras for enforcement is a bit like relying on static policemen for crime prevention - ridiculous! Yes the Police need to be seen to discourage crime but they also need to be unseen at times in order to catch those who don't play by the rules.
Working. Aren't They? - volvoman
The truth is that many people want to drive everywhere at or above the legal limit regardless of the prevailing circumstances. If any driver isn't sure what the speed limit is because, say, they haven't seen a sign why not just slow down to a speed they know is legal until they see a sign indicating otherwise? I totally agree speed limits are not always crytsal clear but the answer's obvious isn't it? Also, surely the concept that something like a fox can jump out at any time is even more reason not to drive to the lmit. I totally agree that speed limit signage could be better and don't much like the national limit sign. I do think though that speed limits could be painted bright red on every road in the UK at 10m intervals and people would still largely ignore them - you can see plenty of evidence of this in 20mph zones and major roadworks where the speed limit signage is always large, clear and frankly unmissable yet largely ignored unless cameras are present.
Working. Aren't They? - Bill Payer
volvoman said:
'If any driver isn't sure what the speed limit is because, say, they haven't seen a sign why not just slow down to a speed they know is legal until they see a sign indicating otherwise?'

Not exactly the same thing, but it really is a nightmare where I live (Cheshire), with many camera's in 40, 60 & 70MPH limits where drivers (who are presumeably staring at the road 20 feet in front of their car) suddenly see the white lines and panic brake to 30!!

I used to think only slightly stupid people got caught, then I got zapped twice by covert mobile cameras. A friend of mine, who is the worlds most cautious driver, recently got caught 3 times in 2 wks. It's easy to be clever in your own area, but if you drive all over the place for a living, then different local authorities way of painting road layouts, signing etc makes it too easy to get caught out.

Separately, I recently saw our local camera partnership stats for last year and was surprised that only 60% of the FPN's issued where paid. That seems amazingly low??

Working. Aren't they? - Altea Ego
Adam, lets face it, given the current state of your Focus, this is not a problem you have to worry about is it?
Working. Aren't they? - chris_w
I don't agree with speed cameras on motorways. If you really wanted to stop people speeding on the motorway why not just limit the cars to 70?

I'm sure someone can inform me as to why this is an appalling idea...
Working. Aren't they? - Bill Payer
I don't agree with speed cameras on motorways. If you really
wanted to stop people speeding on the motorway why not just
limit the cars to 70?

This is being worked on by the EU (some experiments where done in Leeds). Vehicles would be limited by GPS link to whatever was the current speed limit.
Wonder what the Government will then do to raise revenue instead?
The EU is determined that all new cars will have GPS - their latest reason is so that vehicles can be located after they've crashed. However the real reason is thought to be Road Pricing.
Working. Aren't they? - Truckersunite
Speed limiters are a pain, As I spend a good part of my working day being limited to 56mph, even though legally I am allowed to do 60 on a motorway, I hope we never have them on cars. The people who want to speed still can, just look at any Irish registerd truck on the motorway!!! If they actually put the camera's in worthwhile spots then it would be ok, but how many do you see outside schools etc. They are all placed in areas that will give them maximum revenue, the sooner we get rid of them and start making the police work for their money the better.
Working. Aren't they? - BazzaBear {P}
I think this thread has missed the point.
In the first post, Adam appeared to me to be pointing out that, if their supposed aim is to slow people down, speed cameras are not working.

The rest of the thread has then gone on to whether they're a good or bad thing, whether people should speed, etc. etc.

The point still stands that, according to the statistics Adam has quoted, the cameras simply are not working. Regardless of the reasons behind it, they're not slowing people down.
Working. Aren't they? - NowWheels
The point still stands that, according to the statistics Adam has
quoted, the cameras simply are not working. Regardless of the reasons
behind it, they're not slowing people down.


All those statistics show is they haven't slowed everyone down, which shouldn't suprise anyone. Very few measures have instant 100% effect.

I agree, though, that there are still lots of drivers who routinely exceed the limits. That's partly because making the cameras visible allows drivers to just slow down when they pass the cameras, partly 'cos too many of the cameras are single-point types rather than SPECS cameras, and partly 'cos it's still early days.

It's probably going to take a few more years before the effects of cameras become more widespread.
Working. Aren't they? - patently
It's probably going to take a few more years before the
effects of cameras become more widespread.


Oh really, NW. They've been around in serious numbers for 8 years. If they were going to have an effect, they should have by now.



It is funny how to some people, the cure is more speed cameras, whatever the symptom.
Working. Aren't they? - NowWheels
Oh really, NW. They've been around in serious numbers for
8 years. If they were going to have an effect,
they should have by now.


It takes time at critical mass for a measure such as this to bite, though I don't know what critical mass will be in this case. Cameras have been around for a while, but it's only in the last three years that any appeared on my side of town, two years they made it to more than one location, and only this year that they started to appear in some of the other speeding zones.

It'll take time for folks to get used to the idea that all the main roads around here are monitored. So far, cameras have been a rarity affecting only a small part of some journeys.
It is funny how to some people, the cure is more
speed cameras, whatever the symptom.


Some folks don't agree that widespread breach of speed limits is a problematic symptom, but if that's the symptom, then cameras are a part of the cure. I think we'd agree that we also need more traffic police etc.
Working. Aren't they? - patently
It takes time at critical mass for a measure such as this to
bite...


Nope. Not convinced!
Working. Aren't they? - Roly93
>> It's probably going to take a few more years before
the
>> effects of cameras become more widespread.
>>
Oh really, NW. They've been around in serious numbers for
8 years. If they were going to have an effect,
they should have by now.
It is funny how to some people, the cure is more
speed cameras, whatever the symptom.


It would be nice if we knew the statistics for accidents that were caused by either people dedicating so much of their attention to keeping an eye out for cameras and crashing, or alternatively for rear-end shunts due to violent braking, having spotted a camera at the last minute ?

I don't think we will ever see truthfull statistics from the speed camera tsar's as they will always distort the figures to suit their own ends, ie LOOK HOW MANY LESS ACCIDENTS THERE WERE AFTER THE CAMERA blah blah blah !!
Working. Aren't they? - chris_w
I think the main reason I speed (and really only ever on the motorway) is because I very rarely seem to travel at a decent speed. My average MPH on a trip from the M4, J7 to the end of it in Wales was 52mph - and that was with me driving up to 85 when I was able to.

If I'd of stayed at the legal limit the whole time, I don't know what my average speed would have been, but I'd imagine it would be a few MPH less. If I knew that I could maintain 70mph the whole way there I don't know if I'd speed as that average seems acceptable, but when you average 40ish on the motorway, it takes forever to get anywhere.

Still I know I shouldn't speed, but I do.
Working. Aren't they? - No Do$h
I carried out a few experiments on this Chris. In "normal" commuter traffic (between the hours of 07:00 and 09:00 and 16:00 - 18:30) I limited myself to 70 for a week on a run from Poole to Reading. Previously I had made use of every chance to gun the car into the horizon. The difference? A couple of minutes at best. Reason being that the guy doing 70 that you overtake at 85 will catch you when you get caught behind the inevitable 55mph rolling roadblock at or near every junction on the motorways. At best you'll get a couple of cars ahead for every junction passed and when you hit the bottleneck (there is always a bottleneck) he will probably pass you using the inside lane at 35 whilst you move at between 20 and 45 in fits and starts.

Wonderful fuel economy and very relaxing.

A totally different matter if you set off at 04:30...... Horizon, I'm coming to get you! }:o>
Working. Aren't they? - chris_w
Don't mention fuel economy to me. Just got a new car and it's the first time I've ever had a trip computer... I'm now obsessed with looking at my current MPG and trying to find out really how gently I can press the accelerator to keep my current speed up whilst keeping a healthy MPG.

Never mind mobile phones, screaming kids, annoying passengers etc... this is by far the most distracting thing I've ever found in a car!
Working. Aren't they? - AndrewMarc
ive done leeds to newcastle on 2 occasions in the last week and I tend to sit at 80 when have the 2 second gap and push to 90 when it gets clear (horizon only) and i shaved 30 mins off the 2hrs it took a collegue who WILL NOT SPEED COS ITS EVIL. By overtaking I have found that you jump a couple of the bottlenecks and that can save ages.
The traffic i was driving in was not commuter more like 4pm but if you keep a 2 second gap and keep vigilant its ok if not dont speed.
Working. Aren't they? - smokie
"if you keep a 2 second gap and keep vigilant its ok"

Yeah, it's fine, until you get caught. Or have a smash. Then who'll be complaining?

Given that your average speed is somewhere around 68mph I suspect you spend a fair bit of the journey somewhat over 80?
The Speed Camera Thread XXXIII - cub leader
one of the big problems is that they only catch the car drivers, because of the limiter if a trucker can get over the 60mph limit he will not get caught, though a speeding lorry can do a heck of a lot more damage and is therefore more dangerous than a car that is 10mph of the speed limit.
--
Im a student ive got time!!!
The Speed Camera Thread XXXIII - Adam {P}
Adam, lets face it, given the current state of your Focus, this is not a problem you have to worry about is it?<<


How did I miss that before?? I can still speed - neutral down a very steep hill ;-)

BazzaBear - yup. Got it in one.
--
Adam
Temp speed restriction - M60 - daveyjp
Last night M60 east bound near Manchester. Notification of roadworks well over a mile before they start, notification of temporary 50 limit 0.75 miles before it comes in to force, speed camera sign before speed camera, flashing 50 sign if you are going to fast, bright yellow speed camera. With all this information Mr Corolla driver KX 05 *** why did you fly past me in excess of 60 mph and subsequently get flashed? Slamming on in the middle of the white camera lines is a little late to start reducing your speed. I have no sympathy for you and if I had my way you'd be done for driving without due care and attention and not just for speeding as it's prety obvious your observation skills are zero. The irony is the roadworks are only for a mile or so so you wouldn't ahve been too inconvenienced. BTW slowing to 40 after you have been flashed doesn't cancel the fine!!
Speed cameras don't save lives - teabelly
This is the conclusion of a liverpool university report into accident blackspots and speed cameras according to the Mail on Sunday on the Safespeed site

www.safespeed.org.uk/forum/viewtopic.php?t=2678

They did mention about a reduction in minor accidents but didn't mention whether they took account of other road engineering done at the same time or whether they had accounted for differing traffic levels. They also mentioned RTTM but didn't say whether their claim of reduction in minor accidents also took this into account.
teabelly