Highway Plans SABRE Maps layer

Talk about items you find on SABRE Maps - interesting features, historic road layouts etc. Also contains announcements of new maps available on SABRE Maps.

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Chris5156
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Re: Highway Plans SABRE Maps layer

Post by Chris5156 »

Steven wrote: Mon May 24, 2021 20:02
Steven wrote: Tue Apr 13, 2021 12:00 Today's update is from 1994, and features the A303 Ilminster to Marsh improvement.
Following on from this Truvelo has drawn up the section to the west, the A30 and A303 Marsh to Honiton improvement from 1993.
Brilliant! It's a surprise to see a flat roundabout at the A303/A30 junction was part of the plan.
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Re: Highway Plans SABRE Maps layer

Post by Truvelo »

Chris5156 wrote: Mon May 24, 2021 20:23 Brilliant! It's a surprise to see a flat roundabout at the A303/A30 junction was part of the plan.
It was originally a dumbbell GSJ in the initial 1991 scheme. By 1992 it was changed to a flat roundabout. There is no explanation for this change. I do agree it's somewhat disappointing.
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Re: Highway Plans SABRE Maps layer

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Chris5156 wrote: Mon May 24, 2021 20:23
Steven wrote: Mon May 24, 2021 20:02
Steven wrote: Tue Apr 13, 2021 12:00 Today's update is from 1994, and features the A303 Ilminster to Marsh improvement.
Following on from this Truvelo has drawn up the section to the west, the A30 and A303 Marsh to Honiton improvement from 1993.
Brilliant! It's a surprise to see a flat roundabout at the A303/A30 junction was part of the plan.
Cheap, innit.
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Steven
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Re: Highway Plans SABRE Maps layer

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A new map full of proposals from Truvelo's archival research has been uploaded today - and this time it's a look at Gateshead, and the plans for the A1 to run through the town centre, including the (in)famous Gateshead Highway and its connection to the Newcastle Central Motorway East Bypass.
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Re: Highway Plans SABRE Maps layer

Post by frediculous_biggs »

Steven wrote: Sun Dec 05, 2021 08:06 A new map full of proposals from Truvelo's archival research has been uploaded today - and this time it's a look at Gateshead, and the plans for the A1 to run through the town centre, including the (in)famous Gateshead Highway and its connection to the Newcastle Central Motorway East Bypass.
Absolutely crazy. Some of the weaving on that junction would have been awful
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Re: Highway Plans SABRE Maps layer

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frediculous_biggs wrote: Thu Dec 16, 2021 23:13
Steven wrote: Sun Dec 05, 2021 08:06 A new map full of proposals from Truvelo's archival research has been uploaded today - and this time it's a look at Gateshead, and the plans for the A1 to run through the town centre, including the (in)famous Gateshead Highway and its connection to the Newcastle Central Motorway East Bypass.
Absolutely crazy. Some of the weaving on that junction would have been awful
There are four designs for this junction that I know of and they are all shocking in this regard. The radii of the slip roads is also a severe departure from standards - even for the 60s. Here's one of the other designs. This one has a slightly different arrangement from the Tyne Bridge onto Askew Road and there is no roundabout GSJ on Askew Road at Wellington Street .
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Steven
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Re: Highway Plans SABRE Maps layer

Post by Steven »

Yet another unrealised plan brought to us by Truvelo, the Staveley-Brimington Bypass of 1971.
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Re: Highway Plans SABRE Maps layer

Post by owen b »

Steven wrote: Sat Dec 18, 2021 21:06 Yet another unrealised plan brought to us by Truvelo, the Staveley-Brimington Bypass of 1971.
I have a 1990 Collins Road Atlas Britain which bizarrely (and obviously mistakenly) shows a completed Staveley-Brimington bypass. It's single carriageway, has several roundabouts, and follows a line north of the existing A619 throughout and connecting directly with M1 J30.
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Re: Highway Plans SABRE Maps layer

Post by Steven »

More Truvelo goodness has gone online today, this time the Worthing-Lancing Bypass proposals from 1992.
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Re: Highway Plans SABRE Maps layer

Post by Steven »

There's more Truvelo recreated goodness appeared tonight - the A30 Honiton - Exeter Improvement from 1972.
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Re: Highway Plans SABRE Maps layer

Post by c2R »

It's interesting how different that alignment is from what was eventually built - thanks for this.
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Re: Highway Plans SABRE Maps layer

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c2R wrote: Wed Mar 09, 2022 12:45 It's interesting how different that alignment is from what was eventually built - thanks for this.
I would say it's more direct and shorter than what was built. Perhaps there were more environmental issues by the 1990s which meant the 1970s route was no longer viable. In addition to the route there were only two intermediate junctions and the M5 junction allowed totally freeflowing movements to the A30. Access to Exeter was also provided by turning round at Blackhorse.
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Re: Highway Plans SABRE Maps layer

Post by Steven »

And another one Truvelo has dug out of the archives and recreated - this is the 1964 version of the A4150 Wolverhampton Inner Ring Road.
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Re: Highway Plans SABRE Maps layer

Post by Steven »

Another plan out of the archives has been redrawn by Truvelo and added to SABRE Maps. This one is the 1993 A556(M) proposal, and it's absolutely one to use with the Map Fader functionality, where you'll see that it is almost entirely different to the A556 as it exists today.
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Re: Highway Plans SABRE Maps layer

Post by Chris5156 »

Wow, that's quite something! The braided sliproads to Knutsford services would have been quite extravagant. Thank you!
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Re: Highway Plans SABRE Maps layer

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Chris5156 wrote: Sun Jul 09, 2023 21:18 Wow, that's quite something! The braided sliproads to Knutsford services would have been quite extravagant. Thank you!
Quite a lot of effort to retain the services there, of course the reason being that Lymm was not around yet. I'm also guessing we'd have had a very obvious unfinished mainline as the A556(M) piled onto the M56 and the link towards Altrincham and beyond likely never happened.
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Re: Highway Plans SABRE Maps layer

Post by wrinkly »

I'd seen the proposed links to the M6 before, and to the M56 towards Stockport, but didn't know the northward route was proposed to curve so far west near Agden.

The link towards Stockport is in territory where HS2 is now proposed!
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Re: Highway Plans SABRE Maps layer

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Bryn666 wrote: Sun Jul 09, 2023 22:36
Chris5156 wrote: Sun Jul 09, 2023 21:18 Wow, that's quite something! The braided sliproads to Knutsford services would have been quite extravagant. Thank you!
Quite a lot of effort to retain the services there, of course the reason being that Lymm was not around yet.
The proposal a year earlier was far simpler but meant there was no access to the M6 north from the services. I guess this was met with a lot of opposition so the DoT had to bite the bullet and spend a great deal more on providing full access. This would have meant some serious weaving so a complex set of braiding was the only way out. On the other hand there is a large distance between J18 and 19 so surely closing the existing services and moving them a couple of miles further south would have been more cost effective?
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Re: Highway Plans SABRE Maps layer

Post by wrinkly »

A compromise might have been conceivable, with traffic between the service area and the north having to go via the J19 roundabout, which would have had its main traffic flow removed.
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Re: Highway Plans SABRE Maps layer

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wrinkly wrote: Mon Jul 10, 2023 23:40 A compromise might have been conceivable, with traffic between the service area and the north having to go via the J19 roundabout, which would have had its main traffic flow removed.
Known undoubtedly to no one else except me as "pulling a Strensham".
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