Chronology Maps
Click a section name to see full details and a map.
| Completed | Route | Name | Start | End |
|---|---|---|---|---|
| M42 | M5 Southern Links | M5 J4A Catshill | J1 Lickey End | |
| M74 | Poniel - Millbank | J11 Happendon | J12 Millbank |
What's new
The road that made no sense
It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.
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.
Have you seen...
Abbreviations
How do you describe a road? One way is to use these engineering abbreviations, much loved by the UK's community of road enthusiasts.
