Marsh Farm overbridge, view north, 10 January 1996
Marsh Farm overbridge, view north (see all photos of the same view)
The two bridge abutments are now complete; in the centre of the future motorway, scaffolding supports the shuttering where concrete has been poured for the central pillar.
Structure 17a (Marsh Farm overbridge)
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...
M1 Architecture
The most unique motorway in Britain owes its identity to its fifties architecture. Much of it is in danger of being removed or irreperably altered. This page documents it in detail.
