Chronology Maps
Click a section name to see full details and a map.
| Completed | Route | Name | Start | End |
|---|---|---|---|---|
| M25 | Terminal 5 Spur | J14 Poyle | Heathrow Terminal 5 | |
| M6 | Gretna - Carlisle | J44 Greymoorhills | J45 Guards Mill |
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...
West Cross Route
Desperately-needed but never built, this was one of the only London urban motorway plans that were ever progressed to the construction stage.
