Marsh Lane overbridge, view north, 12 December 1997
Marsh Lane overbridge, view north (see all photos of the same view)
Marsh Lane is mostly single-track and crosses the motorway by a narrow bridge with passing places on each approach. On the far side of the motorway a length of farm access track has been built at the top of the cutting slope.
Structure 17 (Marsh Lane 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.
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Ringways
The story of an incredible plan to reshape London into a city of motorways, with the history from creation to cancellation and details on every unbuilt road.
