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PostPosted: Sun Jan 25, 2009 16:46 
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Responding to the OP:
Lucy W wrote:
I did a scientific test and my average journey time from home to work on a dry day is thirty five minutes, but in wet weather, this rockets to fifty minutes, nearly trebling my average journey time.

50/35 = 3 ?

Lucy W wrote:
Where do the extra cars come from?

It must be that we Brits like driving in the rain so much that as soon as the heavens open, we're all in our cars driving. Of course, it could be that we just don't want to stand at a wet bus stop.

Also, a lot of cyclists will choose to take the car (a few of my colleagues, myself included, do just that [except I choose to walk instead of drive]).

Lucy W wrote:
The other theory that has been doing the rounds is that it's a government safety scheme. When it rains, they send out their trucks to congest the roads, and slow people down.

I did try phoning the Roads Minister, but he wasn’t available, but when I explained my theories to the nice young girl who answered the phone, she said I was talking “bollocks”.

Sorry but I tend to agree with her!

Lucy W wrote:
What do you think? Have your say here.

The following is possibly more relevant to motorway driving more than urban driving.
I think this is more to do with drivers leaving bigger gaps (as well as reducing the cap of their own top speeds). Bigger gaps (timewise) will inevitably lead to a reduction of traffic speed on the busiest roads (where space is already a premium). Leaving a bigger gap when necessary is obviously a good thing; unfortunately, those who usually have a 10 second gap try to increase that further to 20 seconds, so needlessly making the congestion disproportionately worse.

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PostPosted: Sun Jan 25, 2009 17:03 
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GreenShed wrote:
It must have something to do with perceived danger and common sense. Traffic is slower in wet weather as it is near schools in the main. It makes me cringe when people say they would support speed camera outside scools when there is no great problem of speeding motorists plowing down school children.
Schools in my experience seem to be self regulating. Yes child casualties occur there but this would be by virtue of the concentration of the childlike animal would it not? Suggest a camera there and you must acknoledge they would be beneficial; self defeating for safespeed I suggest!

I think you'll find it's more a case of people generally not having an issue with speed cameras at such vulnerable areas. People here understand there are other, more fundamental reasons why cameras can result with additional risk, even at schools. Few would argue against the use of a camera where a limit was set reasonably - except their perceived effectiveness (thanks to gross over-exaggeration of their effectiveness) end up with the limits being set inappropriately resulting with unpredictable driver behaviour (a big risk factor), as well as displacing other more effective safety measures such as pedestrian crossings/barriers/cycle lanes etc, displacing trafpol to other areas (FFS if anywhere we need them patrolling at schools at their busy times - they catch more than simply those exceeding the limit), and displacing the road safety policy away from a better trafpol based one.

GreenShed wrote:
The greatest number of injuries occur in fine weather, less in poor weather [...]

Can you prove that?

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PostPosted: Sun Jan 25, 2009 20:19 
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Could it be that one or two drivers are adjusting their speed to match the conditions :clap: increased breaking distances due to wet surface. Hidden pot holes unseen in deep puddles. Not wanting to splash pedestrains or cyclists as they pass them etc etc. and that slows all the following traffic.


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PostPosted: Mon Jan 26, 2009 21:34 
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Lucy W wrote:
Is it just me or has anyone else noticed that there is more traffic when it rains?

I’ve noticed that it's a peculiarly British phenomena and have never noticed it in places like Saudi Arabia.


Desert. I bet a sand storm slows things up a lot though. I bet more take refuge in cars despite the lost visibility which I would imagine worse than the worst snow storm in the Alps :yikes:

Folk will choose the SAFE SPEED for the condition . and this will be BELOW the lollyt sign.

Talk of the :censored: obvious :banghead:



Quote:
The additional traffic can cause major slow downs on motorways in wet weather. In it's own way, this is a good thing. Wet roads are more dangerous and the extra cars and decrease in speeds actually save lives.



As said .. folk will allow a longer gap.. take their time more. Motorways have SPRAY which is like driving in FOG. If you cannot see furhter than a few yards ahead - you will SLOW accordingly.

Talk about the :censored: obvious :banghead:

Quote:
I did a scientific test and my average journey time from home to work on a dry day is thirty five minutes, but in wet weather, this rockets to fifty minutes, nearly trebling my average journey time.


"Peer reviewed". Sorry if I seem short and rude to you. I do not mean to be. Honestly. But it's hardly scientific as we have a model or placebo or computer prognosis which we match the actual results to for comparison and research. Each step gets assessed by our peers.. some of whom agree and others may have some negative or constructive critique to qualify their opinion. :wink:

In fine weather - folk will be careful and legal. In cold or dank damp oppressive weather - many will choose the car before the bus/bike/motorbike/feet/mobility scooter even.


Which answers the
Quote:
Where do the extra cars come from?


And even then .. we may find the SAME cars .. all travelling more slowly. :wink:

Quote:
It must be that we Brits like driving in the rain so much that as soon as the heavens open, we're all in our cars driving. Of course, it could be that we just don't want to stand at a wet bus stop.



Most of the eco-warriors are "fair weather ones" :wink: I live too far away from work for public transport to be an option .. but that was MY CHOICE and my wife's choice in her profession. We drop our kids off at the school bus stop .. but frogmarch a potential fostered truant to registration :lol:

Quote:
The other theory that has been doing the rounds is that it's a government safety scheme. When it rains, they send out their trucks to congest the roads, and slow people down.

I did try phoning the Roads Minister, but he wasn’t available, but when I explained my theories to the nice young girl who answered the phone, she said I was talking “bollocks”.

What do you think? Have your say here.



Do not get this last bit. You trying to be funny?

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PostPosted: Mon Jan 26, 2009 22:25 
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Steve wrote:
Responding to the OP:
Lucy W wrote:
I did a scientific test and my average journey time from home to work on a dry day is thirty five minutes, but in wet weather, this rockets to fifty minutes, nearly trebling my average journey time.

50/35 = 3 ?



Well 35 is about 2/3rds of 50 so 'treble' is just an inversion of the difference between 35 and 50.

Shows how easy it is to get statistics wrong ;)

One reason that traffic slows down is that some drivers still expect to pull out into gaps that are really too small even in the dry.

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PostPosted: Mon Jan 26, 2009 22:59 
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toltec wrote:
Steve wrote:
Responding to the OP:
Lucy W wrote:
I did a scientific test and my average journey time from home to work on a dry day is thirty five minutes, but in wet weather, this rockets to fifty minutes, nearly trebling my average journey time.

50/35 = 3 ?



Well 35 is about 2/3rds of 50 so 'treble' is just an inversion of the difference between 35 and 50.

Shows how easy it is to get statistics wrong ;)



But.. .but .. but .. I am a pedant :lol: and two thirds is two thirds and not three thirds :wink: :bunker:

I agree .. I could have a dcbwhaley of a time with a "tongue in cheek smiley guy" - but you know wot we're like :twisted:


Quote:
One reason that traffic slows down is that some drivers still expect to pull out into gaps that are really too small even in the dry.



But they do that in any high peak of the season or rush hour. But I think it's made worse by most of us choosing the cosy option. Hell.. I have decided to drop off our kids at school when it's really nastily cold and wet... as has my wife. and find everyone else thought likewise :popcorn: I tell you - it's hell around there on such occasions :yikes: Mumpties.. :roll:

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They are just like the flu
We use our smilies on YOU today
Now Good Causes are smiling too!

KEEP SMILING
It makes folk wonder just what you REALLY got up to last night!

Smily to penny.. penny to pound
safespeed prospers-smiles all round! !

But the real message? SMILE.. GO ON ! DO IT! and the world will smile with you!
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PostPosted: Mon Jan 26, 2009 23:21 
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Mad Moggie wrote:

But.. .but .. but .. I am a pedant :lol: and two thirds is two thirds and not three thirds :wink: :bunker:


It was just a way I could see to get treble out of the figures - at a stretch :)

A bit like getting 33% out of you know what. Not that I am implying Lucy W would.

Mad Moggie wrote:
But they do that in any high peak of the season or rush hour.
Of course they do, just when it is wet you have to slow down a bit more for them.

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PostPosted: Wed Feb 04, 2009 06:37 
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GreenShed wrote:
It must have something to do with perceived danger and common sense. Traffic is slower in wet weather as it is near schools in the main. It makes me cringe when people say they would support speed camera outside scools when there is no great problem of speeding motorists plowing down school children.


By placing a camera outside a school would not necessarily effect any core problem of any accidents caused.
Any benefit gained may NOT be attributed to the camera either due the RTTM.

GreenShed wrote:

Schools in my experience seem to be self regulating. Yes child casualties occur there but this would be by virtue of the concentration of the childlike animal would it not? Suggest a camera there and you must acknoledge they would be beneficial; self defeating for safespeed I suggest!

The 'obvious' hazard perception when school's enter and vacate are very clear. You have a large collection of vehicles, parents, children and teachers so the only time a driver may miss something is when they are otherwise distracted e.g looking at their speedo and or camera or other immediate danger event e.g wasp in the car !
Not 'self defeating at all' as any camera anywhere near collection of people couldn't be more distracting to the real risk. The prime time when you want people paying attention to the variety of risks on the road, the driver is paying attention to the speedo and camera, to preserve their license / livelihood. To locate any camera outside a school, busy high street, or old people's home would result in an increase in accidents.
GreenShed wrote:

The culture in Saudi would remove self regulation in that country.
The greatest number of injuries occur in fine weather, less in poor weather and in areas of perceived danger, perhaps as has been noticed because traffic speeds are reduced.
Has this suggestion hit the nail on the head with a self defeating theory for SS?

No. :)
Many accidents happen at relatively slow speeds.

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