S M A R T Motorways

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TangoOscar31
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Re: S M A R T Motorways

Post by TangoOscar31 » Wed Feb 05, 2020 2:43 pm

BossHogg wrote:
Wed Feb 05, 2020 2:15 pm
If I end up that far down, something has gone catastrophically tits up! 😆😆😆
I mean that they’ll introduce them up here. :twist:

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Re: S M A R T Motorways

Post by Lifelong Experience » Wed Feb 05, 2020 3:16 pm

snafu wrote:
Wed Feb 05, 2020 2:18 pm
The reason speed limits are used is because one of the major causes of congestion (other than physical obstacles) is people travelling at different speeds and the associated put your foot down and brake sharply. So whilst someone may brake from 90 to 60, 5 miles back traffic comes to a standstill because of the wave effect you get where each subsequent vehicle has to slow a little more. That's not the only function of smart motorways but it is a big part of it and is why everybody doing 50 slows the build up of congestion and eases it quicker.
Like I said... I understand the desire and the principle, but it doesn't work, because the algorithms that control the speeds, can't control all the individuals with their varied levels of competence.
snafu wrote:
Wed Feb 05, 2020 2:18 pm
Where is the panorama special on the number of roadworkers, emergency services etc. who are killed or seriously injured each year because some fool cannot see a highly liveried and lit vehicle each year. But then we would have to blame the public for that and that would never do.
They are there, usually as an insert into programs like the one about the M25, or M6. :(

I recall a conversation with a highways engineer... he said "Forget HiVis, it just makes you a better target. To survive, you need to wear all black, and develop the reactions of a fucking Ninja"

A few years back there was some interesting data from the TRL, which showed that in roadworks on the motorway, that called for a reduced limit, there were more accidents and injuries when a speed camera was used to "enforce" the limit, than when the road was monitored by a uniformed police officer in a marked car!

The French take it seriously, and place real vehicles from real crashes on display in service stations, along with an explanation
.
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These vans are lit up like a Christmas tree, and can be seen for miles... but a lorry missed this, and ploughed into it, shunting it into the vehicle they were assisting.
Luckily everybody escaped with just bruises from jumping over the guard rail!

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Re: S M A R T Motorways

Post by Lifelong Experience » Wed Feb 05, 2020 3:18 pm

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TangoOscar31
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Re: S M A R T Motorways

Post by TangoOscar31 » Wed Feb 05, 2020 3:22 pm

Lifelong Experience wrote:
Wed Feb 05, 2020 3:16 pm




A few years back there was some interesting data from the TRL, which showed that in roadworks on the motorway, that called for a reduced limit, there were more accidents and injuries when a speed camera was used to "enforce" the limit, than when the road was monitored by a uniformed police officer in a marked car!
That’s because speed cameras do nothing for road safety wherever they are deployed.

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BossHogg
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Re: S M A R T Motorways

Post by BossHogg » Wed Feb 05, 2020 5:20 pm

TangoOscar31 wrote:
Wed Feb 05, 2020 2:43 pm
I mean that they’ll introduce them up here. :twist:
It's too quiet to introduce them this far up, I can shut a lane and everything still flows at 70 👍

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Ice Man
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Re: S M A R T Motorways

Post by Ice Man » Wed Feb 05, 2020 5:30 pm

BossHogg wrote:
Wed Feb 05, 2020 5:20 pm
It's too quiet to introduce them this far up, I can shut a lane and everything still flows at 70 👍
So you close lanes for no fucking reason?

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TangoOscar31
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Re: S M A R T Motorways

Post by TangoOscar31 » Wed Feb 05, 2020 6:08 pm

BossHogg wrote:
Wed Feb 05, 2020 5:20 pm
It's too quiet to introduce them this far up, I can shut a lane and everything still flows at 70 👍
Maybe not in 10 years time....but you’ll be retirement age then. :mrgreen:

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BossHogg
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Re: S M A R T Motorways

Post by BossHogg » Wed Feb 05, 2020 10:55 pm

I'm hoping I'm not there by the summer. ;)

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BossHogg
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Re: S M A R T Motorways

Post by BossHogg » Wed Feb 05, 2020 10:56 pm

Ice Man wrote:
Wed Feb 05, 2020 5:30 pm
So you close lanes for no fucking reason?
No, for an incident numbnuts. 👍

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