Marsh Farm overbridge, view north, 2 June 1997
Marsh Farm overbridge, view north (see all photos of the same view)
Marsh Farm bridge is now finished, complete with a lengthy track approaching it on the north side from the farm buildings.
Structure 17a (Marsh Farm overbridge)
What's new
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.
Hello, here's my ridiculous side project
An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.
Have you seen...
The Heads of the Valleys
The A465 Heads of the Valleys Road is one of the most spectacular trunk roads in the UK, and building it required some of the most remarkable civil engineering. This is the story of how the road was built in the 1960s, and how it's being rebuilt today.
