Riley Green interchange, view north east, 3 April 1995
Riley Green interchange, view north east (see all photos of the same view)
The old roundabout at Riley Green is still in use, but now with only three arms - the fourth, for the A675 north-westwards, has been replaced with temporary traffic lights just to the north where the new course of the A675 meets the A674.
Structure 20/20a (Riley Green interchange bridges)
A674 Chorley Road
A675 Bolton Road
What's new
The road that made no sense
It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
The forever bottleneck, part 2
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.
Have you seen...
Aust to Beachley
Today two motorways cross the Severn near Chepstow. But as recently as 1965, the only crossing was a ferry that carried six cars at a time, from Aust to Beachley.
