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PostPosted: Sun May 10, 2009 11:00 
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graball wrote:
headlight manufacturers claim that you have forward vision of 75 yards these days and a modern car with good brakes, tyres and road conditions should stop well within that distance.



Not according to this:

http://www.safespeed.org.uk/braking.xls

I might add I think the figures on here are WILDLY over optomistic.


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PostPosted: Sun May 10, 2009 11:22 
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That's a one size fits all chart, similar to the highway code. try this link.
http://something-interesting.co.uk/2008 ... distances/ OR
http://www.supercars.net/cars/3988.html

;-)

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My views do not represent Safespeed but those of a driver who has driven for 39 yrs, in all conditions, at all times of the day & night on every type of road and covered well over a million miles, so knows a bit about what makes for safety on the road,what is really dangerous and needs to be observed when driving and quite frankly, the speedo is way down on my list of things to observe to negotiate Britain's roads safely, but I don't expect some fool who sits behind a desk all day to appreciate that.


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PostPosted: Sun May 10, 2009 11:30 
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dcbwhaley wrote:
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So anyone who disagrees with dcbwhaley is a freak]


Not anyone, only Odin. And only because he defined the freak criteria in the first place.


It's still distasteful and puerile, and I for one would ask you to stop.

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PostPosted: Sun May 10, 2009 11:31 
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graball wrote:
That's a one size fits all chart, similar to the highway code. ;-)


Actually it isn't. It is vehicle and driver specific.

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PostPosted: Sun May 10, 2009 11:32 
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for which vehicle though?

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My views do not represent Safespeed but those of a driver who has driven for 39 yrs, in all conditions, at all times of the day & night on every type of road and covered well over a million miles, so knows a bit about what makes for safety on the road,what is really dangerous and needs to be observed when driving and quite frankly, the speedo is way down on my list of things to observe to negotiate Britain's roads safely, but I don't expect some fool who sits behind a desk all day to appreciate that.


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PostPosted: Sun May 10, 2009 11:32 
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Odin wrote:
Why do you always fail to account for circumstances in your blind acceptance of the nanny state?


It is a bloody good point. I frequently do 140 at night, normally with no lights, with only a small and acceptable level of risk.

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PostPosted: Sun May 10, 2009 11:35 
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graball wrote:
for which vehicle though?


You enter the braking effort specific to your own car.

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PostPosted: Sun May 10, 2009 11:37 
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ok, but it still goes to prove my point, that a safe stopping distance is relative to car/driver/conditions not a chart on the back of the highway code.

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My views do not represent Safespeed but those of a driver who has driven for 39 yrs, in all conditions, at all times of the day & night on every type of road and covered well over a million miles, so knows a bit about what makes for safety on the road,what is really dangerous and needs to be observed when driving and quite frankly, the speedo is way down on my list of things to observe to negotiate Britain's roads safely, but I don't expect some fool who sits behind a desk all day to appreciate that.


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PostPosted: Sun May 10, 2009 11:47 
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GreenShed wrote:
[.
We may do that too ...

Do you really?

How do you achieve that?[/quote]

If we have strong evidence that this person would be regularly behaving like a prat in same area at similar times - then we would have to take some action. :popcorn: Thus we would brief the officers accordingly.

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PostPosted: Sun May 10, 2009 11:55 
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graball wrote:
ok, but it still goes to prove my point, that a safe stopping distance is relative to car/driver/conditions not a chart on the back of the highway code.


You still have to be aware of your speed and know you can stop safely and comfortably in the distance you can see to be clear .. and stay on your own side of the road :popcorn:

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PostPosted: Sun May 10, 2009 12:03 
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yep. I remember when I was driving for parcelforce on the rural runs .We had a night of very high wind and up one country lane at about 6am in the dark, there was a massive tree across the road, that certainly left no margin for error, anyone coming across that too fast would have had no chance of swerving round it or bouncing off it without a nasty headache or worse...;-)

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My views do not represent Safespeed but those of a driver who has driven for 39 yrs, in all conditions, at all times of the day & night on every type of road and covered well over a million miles, so knows a bit about what makes for safety on the road,what is really dangerous and needs to be observed when driving and quite frankly, the speedo is way down on my list of things to observe to negotiate Britain's roads safely, but I don't expect some fool who sits behind a desk all day to appreciate that.


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PostPosted: Sun May 10, 2009 16:45 
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GreenShed wrote:
As SS is an evidence based campaign you would be aware that there are single vehicle speed related deaths on rural roads at night...or are you?

We know a greater proportion of deaths on the faster roads are attributed to fatigue (24%: Road Safety Research Report No. 52) than exceeding the speed limit (7%: RCGB2007) - more so at night!

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PostPosted: Sun May 10, 2009 16:47 
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weepej wrote:
http://www.safespeed.org.uk/braking.xls

I might add I think the figures on here are WILDLY over optomistic.

:? They all seem sensible to me; what do you think is wrong with them?

You think everyone goes too fast and can everyone should slow down, but you've never qualtified any of it. Would you forgive people for ignoring you if you weren't to give supporting evidence or reasoning when asked?

weepej wrote:
I've read that in the dark in best conditions at night to be able to stop in good time if there's something unlit in the road, max 50mph.

And where exactly did you 'read' that?
People must be able to see the detail of a VRM at 20 yards, yet these same people won't be able to see something slightly bigger in their headlamps at greater than 50 yards?

weepej wrote:
There is no way you can stop in the distance you can see to be clear at 80mph on an unlit road in the dark.

Why do you say that? I did just that in Germany (when and where it was properly delimited - and yes during darkness).

There are various tricks at a driver's disposal to gain additional visual range as well as aiding assessment of risks. You assume too much.

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PostPosted: Sun May 10, 2009 21:17 
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graball wrote:
ok, but it still goes to prove my point, that a safe stopping distance is relative to car/driver/conditions not a chart on the back of the highway code.


My point was that your claim that it's safe to do 80 (or 100) on a dark country road with nothing but your headlights to see by is total and utter bunkum.


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PostPosted: Sun May 10, 2009 21:18 
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Steve wrote:
weepej wrote:
There is no way you can stop in the distance you can see to be clear at 80mph on an unlit road in the dark.

Why do you say that? I did just that in Germany (when and where it was properly delimited - and yes during darkness).

There are various tricks at a driver's disposal to gain additional visual range as well as aiding assessment of risks. You assume too much.


Do you think this guy doing 100 was "using tricks at a driver's disposal to gain additional visual range as well as aiding assessment of risks"?


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PostPosted: Sun May 10, 2009 21:24 
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graball wrote:
yep. I remember when I was driving for parcelforce on the rural runs .We had a night of very high wind and up one country lane at about 6am in the dark, there was a massive tree across the road, that certainly left no margin for error, anyone coming across that too fast would have had no chance of swerving round it or bouncing off it without a nasty headache or worse...;-)


How fast would that be?

According to you if lights give you 75 yards of vision and you want to stop in the distance you can see to be clear according to SafeSpeed you should be doing 45-50 mph, maybe 60 if you don't mind emergency stops.

Certainly not 80 or 100.


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PostPosted: Sun May 10, 2009 21:36 
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I think Steve use headlamps to effect /

I do not ever do stupid. I have to see the road ahead .. MY CHOICE!


I may be against speed cams ..pro well trained police.. but I would not expect police to let me off the hook if I did something stupid or chose an blatantly OTT speed.

I would expect all police to be trained to some uniform. good practice level of allowed discretion. I will state formally once und for all.

I LIKE/RESPECT/WANT MORE police.

I have had mostly pleasant und positive encounters in REAL life to date. I know what I expect/require.

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PostPosted: Sun May 10, 2009 21:37 
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RobinXe wrote:
Odin wrote:
Why do you always fail to account for circumstances in your blind acceptance of the nanny state?


It is a bloody good point. I frequently do 140 at night, normally with no lights, with only a small and acceptable level of risk.


And an ability to move in three dimensions...


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PostPosted: Sun May 10, 2009 22:56 
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weepej do you ever read anything and digest it? I hope that you are more observant when driving/cycling than you are at reading the posts. Stopping distances are relevent to the car and driver and conditions.... NOT a chart. Don't believe everything that you read otherwise you may start to believe that speed cameras save lives and "speed kills".

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My views do not represent Safespeed but those of a driver who has driven for 39 yrs, in all conditions, at all times of the day & night on every type of road and covered well over a million miles, so knows a bit about what makes for safety on the road,what is really dangerous and needs to be observed when driving and quite frankly, the speedo is way down on my list of things to observe to negotiate Britain's roads safely, but I don't expect some fool who sits behind a desk all day to appreciate that.


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PostPosted: Sun May 10, 2009 23:22 
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No doubt, weepej believes that all rural motorways, i.e. those without lighting should be limited to 50MPH after dark?

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My views do not represent Safespeed but those of a driver who has driven for 39 yrs, in all conditions, at all times of the day & night on every type of road and covered well over a million miles, so knows a bit about what makes for safety on the road,what is really dangerous and needs to be observed when driving and quite frankly, the speedo is way down on my list of things to observe to negotiate Britain's roads safely, but I don't expect some fool who sits behind a desk all day to appreciate that.


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