Marsh Farm and Marsh Lane overbridges, view west, 2 June 1997
Marsh Farm and Marsh Lane overbridges, view west (see all photos of the same view)
Marsh Farm bridge is at the bottom of this picture; in the distance are Marsh Lane, Sandy Lane and Hill House Farm bridges. The motorway is substantially complete over this length, except the short gap at Sandy Lane.
Structure 16 (Sandy Lane overbridge)
Structure 16a (Hill House Farm overbridge)
Structure 17 (Marsh Lane overbridge)
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.
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From War to Worboys
The tale of how British traffic signing developed between the Second World War and the mid-1960s, bringing us from a system designed at the turn of the century to the signs we still use today.
