Chronology Maps
Click a section name to see full details and a map.
| Completed | Route | Name | Start | End |
|---|---|---|---|---|
| M4 | Second Severn Crossing | J21 Awkley | J23 Rogiet | |
| M49 | Avonmouth - Second Severn Crossing | M5 J18 Lawrence Weston | M4 J22 Pilning | |
| M77 | Dumbreck - Malletsheugh | J1 Dumbreck | J5 Malletsheugh |
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...
North Cross Route
The route and the history of the North Cross Route, proposed in the 1960s as the northern side of London's innermost motorway ring road.
