Marsh Farm and Marsh Lane overbridges, view west, 21 October 1996
Marsh Farm and Marsh Lane overbridges, view west (see all photos of the same view)
Both these bridges - Marsh Lane at the top of the picture and Marsh Farm at the bottom - now have a deck, but no parapets or guard rails, and both are awaiting earthworks to form their full approach ramps.
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.
Have you seen...
Smart Motorways
Motorways used to be really simple. Now they have electronic signals, variable speed limits, emergency lay-bys, part-time hard shoulders... Just what is so smart about Smart Motorways?
