Chronology Maps

1962 1963 1964

Click a section name to see full details and a map.

Completed Route Name Start End
M4 Slough Bypass J5 Langley J7 Huntercombe
M2 Park Pale - Stockbury J1 Three Crutches J5 Stockbury
M5 Filton Bypass J16 Almondsbury Roundabout J17 Cribbs Causeway
M2 Stockbury - Perry Court J5 Stockbury J6 Perry Court
M6 Lymm - Bamber Bridge J20 Lymm J29 Bamber Bridge
M2 Perry Court - Brenley Corner J6 Perry Court J7 Brenley Corner
M6 Hanchurch - Lymm J15 Hanchurch J20 Lymm
M1 (NI) Lisburn - Sprucefield J6 Saintfield Road J7 Sprucefield

In this section

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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Have you seen...

London Congestion Charge

One of the world's biggest and most controversial schemes to manage traffic by charging for roadspace. You can drive in to London if you like, guv, but it'll cost you.