Brimmicroft footbridge, view north west, 17 July 1996
Brimmicroft overbridge, view north west (see all photos of the same view)
One of the two bridge spans has been lifted into place. The bridge will eventually carry a pipeline, through which a stream will be diverted over the top of the motorway. On the right, a discoloured line of grass can be seen through the field, which is the line of the pipe that has already been laid leading to the bridge.
Structure 19a (Brimmicroft 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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Mixed Signals
During the 1960s the UK developed some of the most sophisticated - and strange - electronic variable message signs anywhere in the world. How? And, just as importantly... why?
