Riley Green interchange, view north east, 22 October 1996
Riley Green interchange, view north east (see all photos of the same view)
The roundabout at Riley Green is now mostly in place, as are the bridges spanning it. Traffic presently uses the west side of the roundabout and passes around two temporary mini-roundabouts. On the right, the old course of the A675 is being landscaped.
Structure 20/20a (Riley Green interchange bridges)
A674 Chorley Road
A675 Bolton Road
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The second part of the story, where we learn why exactly the M4 gets narrower on the final approach to Europe’s biggest city.
The forever bottleneck, part 1
The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.
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Abbreviations
How do you describe a road? One way is to use these engineering abbreviations, much loved by the UK's community of road enthusiasts.
