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Watch out for the cats eyes

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Watch out for the cats eyes

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Old 14th Jul 2023, 08:56
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Watch out for the cats eyes

https://www.thedrive.com/the-war-zon...es-to-highways

Apparently most of the street furniture will need to be removed and the road surface protected with aluminium planking.
One presumes they don't intend to do this inside the M25 as the F35 probably won't meet the ULEZ requirements ......
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Old 14th Jul 2023, 09:19
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Good to see that we are taking ACE seriously. Looks like the FARP and TacATC personnel are going to be busy.
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Old 14th Jul 2023, 09:49
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There are 4 'highway runways' in Cyprus (at least that's all I've found but there may be more) near (ie a few miles from) Nicosia, Larnaca and Paphos so it's all been done before.
The central crash barriers are removeable and the roadsigns have huge hinges to allow them to be folded flat.
We all know about the Jaguar landing on the motorway near Warton, but I understand at least one stretch of the A1 just north of Woolfox Lodge (disused Bloodhound site) was evaluated but never implemented.
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Old 14th Jul 2023, 09:57
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How many miles of perfectly straight motorway does the UK actually possess? Was this planned for in the construction of our motorways?
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Old 14th Jul 2023, 10:00
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There’s a long straight section of the A74(M) south of jct 16 which has runway “written” all over it.
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Old 14th Jul 2023, 10:28
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Surely the issue isn't the cats eyes and street furniture but the potholes and FOD hazards that you find along most stretches of UK motorways?
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Old 14th Jul 2023, 10:40
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Originally Posted by Pezza26
Surely the issue isn't the cats eyes and street furniture but the potholes and FOD hazards that you find along most stretches of UK motorways?
FOOD and red kites...
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Old 14th Jul 2023, 11:12
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Clearly, however, there is growing concern within the RAF, and other NATO air forces, that a dwindling number of fighter bases combined with ever-more complex support infrastructure, especially in the case of the F-35, leaves these air forces highly vulnerable to a surprise attack from Russia, or another aggressor.
No $£it, Sherlock. There was concern amongst many of us as soon as the expression “The Peace Dividend” was first used by a certain “Middle East Peace Envoy”.
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Old 14th Jul 2023, 11:15
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Originally Posted by Ohrly
How many miles of perfectly straight motorway does the UK actually possess? Was this planned for in the construction of our motorways?
The UK came relatively late to Motorways, and benefitted from the experience in other countries that lengthy straight sections tended to have a higher accident rate, and thus a series of gentle curves is part of the design where practical.

There are a considerable range of objects that would impinge on any runway use, not least that the current specification for the centre divider has moved on to a concrete wall several feet high, which many will have noticed are being progressively fitted across the network, and because the wall is impervious there are substantial drainage channels and covers either side.. Likewise information and routing signs have developed from being at the side of the road to being cantilevered out over it, to overcome being shielded from outer lane traffic by platoons of high trucks.

There are quite a range of countries which say they have this approach, which when I look at them seem quite impractical to change over. About the only chance of doing it effectively would be incorporating such provision in the initial design - and of course we don't design or build new motorways in the UK any more.
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Old 14th Jul 2023, 11:16
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Originally Posted by Ohrly
How many miles of perfectly straight motorway does the UK actually possess? Was this planned for in the construction of our motorways?
The UK came relatively late to Motorways, and benefitted from the experience in other countries that lengthy straight sections tended to have a higher accident rate, and thus a series of gentle curves is part of the design where practical.

There are a considerable range of objects that would impinge on any runway use, not least that the current specification for the centre divider has moved on to a concrete wall several feet high, which many will have noticed are being progressively fitted across the network, and because the wall is impervious there are substantial drainage channels and covers either side.. Likewise information and routing signs have developed from being at the side of the road to being cantilevered out over it, to overcome being shielded from outer lane traffic by platoons of high trucks.

There are quite a range of countries which say they have this approach at given points, which when I look at them seem quite impractical to change over. About the only chance of doing it effectively would be incorporating such provision in the initial design - and of course we don't design or build new motorways in the UK any more.
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Old 14th Jul 2023, 12:03
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Meanwhile, 80 years ago.... SWEDISH ROADS AS RUNWAYS—U.S. AND U.K. TOO?

Jack
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Old 14th Jul 2023, 12:10
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Interestingly the stretch I referred to above has an easily removed wire divider. No bridges and no gantries…

Reckon it was planned that way.


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Old 14th Jul 2023, 12:31
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The standard height for a motorway gantry is 5.03m apparently. As far as I can find out the height of a Typhoon is 5.28m.
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Old 14th Jul 2023, 12:50
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Apparently the M55 has a long enough straight section to allow a Jaguar to take off and land.
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Old 14th Jul 2023, 13:24
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Originally Posted by pulse1
Apparently the M55 has a long enough straight section to allow a Jaguar to take off and land.
https://www.youtube.com/watch?v=VeBZ3xbgN_M
Ah, but the Jaguar is only 4.89m high!
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Old 14th Jul 2023, 13:26
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Originally Posted by ETOPS
Interestingly the stretch I referred to above has an easily removed wire divider. No bridges and no gantries…

Reckon it was planned that way.
Nicola Sturgeon planning her escape route for when she decants to France like all the other Scottish escapers have done over the years.
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Old 14th Jul 2023, 13:29
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Maybe a section of he M5, just south of Gloucester, was built along the main runway of the Gloster aircraft factory?
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Old 14th Jul 2023, 13:41
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Putting AM2 on a road surface rather defeats the object, I would have thought. I imagine that those strips would fairly rapidly be identified by the bad guys and taken out. There is also the support train to consider. This was established and exercised continuously in RAF(G) with the Harrier Force and worked very well BUT it was expensive in both manpower and logistics, requiring extensive Royal Engineer, Tac Supply and Royal Signals support.

The Germany exercise sites were mainly grass, although PSA1 matting was also used over plough or soft ground. The war sites were exclusively hard surface and mainly 32’ wide roads, with provision of a 60’ square VL pad close to the aircraft hides. These hides and the admin/support areas were normally located in an industrial or residential setting, which would be tricky on a motorway.

Methinks it is someone’s “good idea” (rather like the Jaguar episode) and not a serious concept.

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Old 14th Jul 2023, 14:21
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We have zillions of Ex WW2 airfields scattered around the country, many with the remains of a runway in place and industrial units scattered around the edges. If I was a planner I would ensue an industrial unit was aircraft sized and that the runway was adequately refurbished for ops but left with "removable" weeds in place.

It would also be sensible to STOP the breaking up of runways (usually for sale as hardcore) whenever a base is sold. Oh, and also stop the army building barrack blocks and fenced vehicle parks on them.
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Old 14th Jul 2023, 14:23
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The UK came relatively late to Motorways, and benefitted from the experience in other countries that lengthy straight sections tended to have a higher accident rate, and thus a series of gentle curves is part of the design where practical.
ISTR that motorways can't/couldn't/don't have perfectly straight stretches of more than a mile. As indicated by WHBM, this was to keep us awake! At least, that's according to WSBIAPTM.*

What about Oz? They seem to have straight roads that go on for ever.....

[Edited to add:]. Dr Google says Oz's longest stretch is 91 miles!!!




* What Some Bloke In A Pub Told Me.
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