Gallery:Winnall Interchange

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Junctions in South East England > Winnall Interchange

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Winnall Interchange
M3 J9.jpg
The M3 northbound approaching J9.
Winnall Interchange A34.jpg
The A34 exit of the roundabout at M3 J9.
Winnall Roundabout - Geograph - 6035.jpg
Winnall Roundabout
M3 J9 and J10 improvements - Coppermine - 15259.png
M3 J9 and J10 improvements

This is my idea to improve junctions 9 and 10 of the M3, giving free-flow access to/from the A34 and A31, by combining them in one fork just south of junction 9. The current junction 10 would close and the fork would become J10 (to avoid mucking up the numbering), with the current A31 south of the middle roundabout becoming a single-carriageway B-road (not sure what the number is). I've also grade separated the A31/A272/B3404 junction.

Originally uploaded to Coppermine on Sep 14, 2007 by Rubberduck
Start of the A34 - -1 - Coppermine - 22957.jpg
M3 northbound, at the A34 exit. Originally uploaded to Coppermine on Aug 24, 2009 by Johnny
A34 - Coppermine - 8411.jpg

End / start of the A34 depends which way your heading lol. just east of Winchester & now heading onto the M3

Originally uploaded to Coppermine on Oct 16, 2006 by andy31m
A34 M3 freeflow Winchester - Coppermine - 16284.jpg
A34 M3 freeflow Winchester

Here's a very simple way of making the the A34 freeflow onto the M3 without any major alterations to the existing road network. There's enough space in the A33/A34 split for a new road to be built through the middle and this simply joins the M3 at the North side of J9. The only alterations required are lengthening the existing North facing J9 slips to allow the new freeflow to be built beneath. Simple eh! No buildings need demolishing either.

Originally uploaded to Coppermine on Dec 23, 2007 by Truvelo
M3 J9

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