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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 09:09 
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Absolutely! Or the more you fly, the greater the chance of being involved in a plane crash!

(But it's very hard to find good "peer-reviewed common sense" these days)!


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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 09:54 
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I drove artics before I retired, and believe me, I had far more 'rumble-strip' moments due to drowsiness after speed-limiters were forced on us than in the previous 30 years! :fastasleep: :roll:


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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 13:46 
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The comment from
Steve wrote:
dcbwhaley wrote:
Nor am I. I am taking issue with your unqualified assertion that reducing speed increases fatigue.

I freely admit I don't have data (I don't believe such data exists), but it doesn't invalidate my point. Also, I speak from bitter experience and have the experience of others to support me.

dcbwhaley wrote:
Quote:
80mph on a clear road like a motorway doesn't exactly qualify as 'edge of envelope' stuff does it

No. But it is substantially more tiring than driving at 60mph.

From my personal experience I disagree. There is additional driver stimulation at 80 than 60, but 80mph (for those who choose to drive at it) is not in itself exhausting. It may be for some, but for those people that point is invalidated: no one is forcing them to drive at 80.

Driving at 70 on such roads in good conditions induces fatigue – specifically: sleepiness.
You need look no further than the report I quoted to see that. Sleep Related Crashes already account for about half of all crashes (A roads and motorways) during the night, not exhaustion, but sleepiness.
Driving at say 100 (not that I'm calling for this) will reduce the onset of that sleepiness. Driving games where people remain well within their limits on straight featureless roads isn't really stimulating and doesn't keep gamers awake at night; does that not count for anything?
Of course, driving faster will also reduce the time spent behind the wheel. Fatigue/sleepiness increases with time, so even one were to say that speed doesn't affect fatigue (at today’s speeds), my overall point still remains valid anyway.

I was once caught within the M1 roadworks with a specs enforced 40 limit during the night (after driving for about 30 minutes, from Milton Keynes). The speed restrictions continued for several junctions (longer than 10 miles). Towards the end of the restrictions I felt disturbingly drowsy (no I was not able to stop or pull over, nor could I anticipate this being as it was my first time). Once the restrictions ended I resumed 'motorway speeds' and was fine all the way to Portsmouth without other any sign of ill effect, even though I didn't stop for a break. Granted some may not experience the same effects as I did, but you have to accept that some do; this is where the problem lies.

When I stated my experience of this on a driving forum (PistonHeads), the responses given were of sympathy and similar experiences, so I know my experience is not atypical.
(oddly, when I did the same on a cycling forum (C+) I was quite literally hounded out of it)

Remember, we're not wanting to force everyone to drive at 80+. Folks who find those speeds excessively mentally exhausting can remain at 70/60; no one else will care so long as they apply the expected lane discipline. We’re all different, everyone should be able to drive what they feel is best for their level of arousal; unfortunately, today’s limits simply don’t cater for that and therefore are reasonably ignored by a great many.


Does this not demonstrate the problems when talking about speed and speed limits?

People think that everyone is like them. What is a comfortable and stress free to one person would be totally uncomfortable and very stressful to someone else. As was said by someone in another post we all have our own speed for doing things be it reading, painting, cutting the lawn washing the car, you name it. I personally find that on a quiet motor way 85- 90mph is relaxing and comfortable, my wife, 60-65mph would be her chosen speed. Equally the car being driven will have a bearing too on what feels comfortable. So people want to remember that what they feel safe and comfortable at may not feel safe and comfortable to others, which can apply to speeds up or down and needs to be remembered by those setting speed limits.

A paragraph from Road Craft sums it up nicely:

"What to the novice driver may be a dangerous speed is not necessarily so to the more experience driver. The choice of speed must be related to the driver's ability, the type, condition and limitations of the vehicle and the prevailing road and traffic conditions, bearing in mind that the safe speed for a given section of road may vary from minute to minute as circumstances alter."

Whynot


Last edited by whynot on Tue Dec 22, 2009 10:02, edited 1 time in total.

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 15:36 
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weepej wrote:
I could equally say that there is less of an opportunity of being involved in an accident, but that would be baseless too.
One thing I remember from Germany was when I was on an Autobahn heading to Luxembourg which was a 60 mile journey from where we were staying. I think we maintained 120+ mph for much of it which not only kept me/us very alert but I remember thinking “Oh, we’re here already. That’s nice; would have taken twice as long in England”.

Lovely place BTW. :)

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 16:32 
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dcbwhaley wrote:
No. But it is substantially more tiring than driving at 60mph.


Further to above, it also depends on how long the journey is going to be and the vehicle you are in.

I could quite happily cruise at 60 - 65mph in the Smart for an hour if time is not an issue and I want to save fuel, then again doing 70-75mph is less tiring and 80-85mph about the same. If I am going to cover more than sixty miles or so then around 75mph feels like a good balance between effort and time. It would start to become hard work over 85 I suspect though on a short run, 30 miles say, 90+ would be fine.

My wife's BMW is more comfortable than the Smart and I can comfortably drive it for hours at 70-75, slower would be tedious and faster would not be any harder well into illegal speeds but would use more fuel. I have never tried it but if traffic allowed I doubt cruising at 100mph would be any more tiring than 70mph over a given distance.

The Impreza is mind numbing to drive at 70, it is just about bearable at the legally safe side of 80, it would be easy to drive at 90 except for the added effort of checking for speed cameras and consequent stress. It returns the same sort of mpg at 70 as it does at 85 so really it is only speed cameras that make it harder work at 82 (sweet spot for low exhaust resonance) than 77mph over long distances.

The Smart and BMW have cruise control which helps make driving them slowly less tiring, the Smart is the roadster version so it feels like it is going faster than the other two anyway.

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 18:34 
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whynot wrote:
People think that everyone is like them. What is a comfortable and stress free to one person would be totally uncomfortable and very stressful to someone else.


Nail. Head. Hit.

Therefore people should be given as much leeway as possible to choose their own speed. The powers that be should only impose limits such as are strictly necessary, slow people should seek to not impede fast people, and fast people should not expect slow people to speed up. Tolerance is a wonderful thing.

toltec wrote:
Further to above, it also depends on how long the journey is going to be and the vehicle you are in.


+1. What feels stultifyingly slow in my Focus feels like a crazy fairground ride in Mrs Theboy's MX-5!


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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 19:24 
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Johnnytheboy wrote:
Therefore people should be given as much leeway as possible to choose their own speed.


That sentiment does not sit well alongside an earlier thread lambasting "numpties" who drive too slowly for many commentators liking.

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 19:49 
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dcbwhaley wrote:
Therefore people should be given as much leeway as possible to choose their own speed.
The key bit there for me being "as possible". But how to assess, regulate and enforce is a different matter/problem... and one better enforced by traf pol than a scamera IMHO.


dcbwhaley wrote:
That sentiment does not sit well alongside an earlier thread lambasting "numpties" who drive too slowly for many commentators liking.
Okay, without looking at who said what, where and when in regard to the thread you talk of... (Not saynig you're wrong BTW)

If you have ever been in a job where getting from A to B, or A to Z swiftly but safely - those OTT slow drivers are irritating.

If we’re honest all these variables DO matter but it’s the absurd regulation which dumbs-down to the lowest common moronic driver who ever past a driving test, (notwithstanding politics, money etc.), which is screwing things up!

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You will be branded a threat to society by going over a speed limit where it is safe to do so, and suffer the consequences of your actions in a way criminals do not, more so than someone who is a real threat to our society.


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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 20:35 
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dcbwhaley wrote:
Johnnytheboy wrote:
Therefore people should be given as much leeway as possible to choose their own speed.


That sentiment does not sit well alongside an earlier thread lambasting "numpties" who drive too slowly for many commentators liking.

That would depend if there was a clause such as 'keep left', 'pull over to let others pass' or 'within reason'.

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 20:56 
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Mole wrote:
Steve wrote:
I don't like this reasoning (as technically valid as it may be).
The inevitable rebuttal, from those both sincere and financially conflicted, will invariably be:
"What price a life, a couple of minutes of your precious time?".



That said, people still die falling down stairs but following that argument, if we could save "just one life" by mandating bungalows...

That's another technically valid argument, but I think it's also a bad parallel.
If you think demand for housing is bad now, imagine it with mandated bungalows.... I live in a block of flats - not serviced by a lift, bang goes that idea! OK not all apartments don't have lifts, but I wouldn't like to have to rely on them, especially in the event of power outs, or even fire.
Then there's the question of where the line is drawn. Many business premises will become much more expensive (install and maintain lifts).
Those stair-lifts at places like London underground would all have to be redesigned to cater for a humungous number of lifts, which would be a great place for weirdoes to lurk. Pedestrian under/overpasses will be gone too.
In the scheme of things, being forced to live life in such a compromised way doesn’t really compare to simply 'losing a few minutes' every day.

Besides, one can put themselves in a position such that they don't run the risk of falling down stairs if they feel it is worth it (choose to live in a bungalow); the risk is self-inflicted.
Conversely, one cannot put themselves in a position to eliminate the risk posed to them by, say a nutcase trying to save time but loses control; that risk is inflicted by others - and that's the difference.



I think I need to elaborate on my underlying point.

IMO the whole 'time is precious' argument is flawed as presented.

It is safe to say there is an ideal safe speed which drivers will opt to travel (85th% and all that). Setting limits lower than that will result with dismissal of the limit and unpredictable behaviour. Setting limits higher will validate the counter argument "what price a life, a couple of minutes?". The "I want to save a couple of minutes" argument is valid only when the limit is needlessly low; it's completely invalid when the limit is already high (which is sodding rare) or just right.

We first need to convince the listener that many limits are set needlessly low (and we can do that), only then can that argument be applied; it cannot be the other way around (which is how it was presented). That argument was presented as absolutely valid, implying that limits should be higher purely because "my time is precious". Had that argument been based some sort of rational building upon needlessly low limits then I wouldn't have disputed it.

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 21:27 
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Understood - it was a fairly flipant remark!

BUT...

I'm not sure it's QUITE as invalid as you suggest. The "I want to save a few minutes" argument isn't so good, as you say, INDIVIDUALLY - but as a nation, this all adds up! In much the same way as we clearly don't have anything LIKE as much land as would be required to put EVERYONE in a bungalow, we have to accept that the "few minutes" multipiled by everyone's journey adds up to a significant loss to the nation. Put another way, there would be plenty of ambulance trips and fire engine trips that would be futile if the rest of the traffic was moving at the pace of a funeral courtege!

The other argument the choice to put one's life at risk or not is, of course, one that I can't counter. :)


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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 22:01 
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Mole wrote:
...The "I want to save a few minutes" argument isn't so good, as you say, INDIVIDUALLY - but as a nation, this all adds up!

This is very true and a point I admit to have missed.
Some maths based on an additional 5 minutes per journey, the going rate for a life (a ransom is about £1M) and that the average wage (say £10 per hour):

30M drivers, each facing a 10 min needless delay every day.
(30M x (10 / 60) x £10 x 365) / £1M = 18250 lives every year :o

There is a lot of merit to the argument from a strictly numbers point of view, but that doesn’t detract from the selfishness and heartlessness of it and gives the wrong perception, so I still won’t support it (as presented).

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 Post subject: Re: Time thieves
PostPosted: Mon Dec 21, 2009 22:02 
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dcbwhaley wrote:
Johnnytheboy wrote:
Therefore people should be given as much leeway as possible to choose their own speed.


That sentiment does not sit well alongside an earlier thread lambasting "numpties" who drive too slowly for many commentators liking.



10/10 for selective quoting. I also said:

Quote:
...slow people should seek to not impede fast people...


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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 07:55 
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Johnnytheboy wrote:
10/10 for selective quoting.


Much as I would like to accept your accolade.in all conciousness I cannot. : :)
The two concepts "drivers should be allowed to choose their own speed" and "drivers should seek not to impeded fast drivers" are usually mutually incompatible,

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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 08:03 
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Steve.

You argument founders rather on the fact that those lost ten minutes are not always paid for in cash terms but in loss of leisure. The fact that my journey to work takes ten minutes longer doesn't mean that my employer looses ten minutes of my working time. Rather it means that I loose ten minutes of my free time.

Of course, for people who work 'on the road' there is a direct financial loss, but their number must be less than 30 million.

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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 09:26 
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Steve wrote:
30M drivers, each facing a 10 min needless delay every day.
(30M x (10 / 60) x £10 x 365) / £1M = 18250 lives every year :o


You forgot to take off the "cost" of higher speed limits.


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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 10:35 
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weepej wrote:
Steve wrote:
30M drivers, each facing a 10 min needless delay every day.
(30M x (10 / 60) x £10 x 365) / £1M = 18250 lives every year :o


You forgot to take off the "cost" of higher speed limits.


That depends on the vehicle. My previous Mondeo 2.0TDCi with 6 speed gear box would return 61mpg cruising at 80mph this dropped to 54mpg if kept to 70mph. Reasons, 80mph gave maximum torque and the momentum took it up most motorway inclines with without having to open the throttle.


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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 11:58 
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weepej wrote:
You forgot to take off the "cost" of higher speed limits.

There is no such cost if the limits are needlessly low.

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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 12:02 
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dcbwhaley wrote:
You argument founders rather on the fact that those lost ten minutes are not always paid for in cash terms but in loss of leisure. The fact that my journey to work takes ten minutes longer doesn't mean that my employer looses ten minutes of my working time. Rather it means that I loose ten minutes of my free time.

Of course, for people who work 'on the road' there is a direct financial loss, but their number must be less than 30 million.

It was merely a 'finger in the air' method for measuring the effect. I decided to consider the additional time as what the average Joe thinks their time is worth (their paid hourly rate), which I thought was reasonable.
I welcome a better measure.

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 Post subject: Re: Time thieves
PostPosted: Tue Dec 22, 2009 20:27 
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dcbwhaley wrote:
Johnnytheboy wrote:
10/10 for selective quoting.


Much as I would like to accept your accolade.in all conciousness I cannot. : :)
The two concepts "drivers should be allowed to choose their own speed" and "drivers should seek not to impeded fast drivers" are usually mutually incompatible,


I'd love to know what the rest of the sentence was going to be, but never mind.

Why are these two concepts mutually incompatible?


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