A41 Two Waters Interchange
Route
Name
Two Waters Interchange
Highway Authority
Location type
Dumbbell
Hertfordshire County Council
A41 Bourne End Interchange
Route
Name
Bourne End Interchange
Highway Authority
Location type
Non-standard interchange
A41 Bourne End Mills Interchange
Route
Name
Bourne End Mills Interchange
Highway Authority
Location type
Non-standard interchange
A41 Kingshill Interchange
Route
Name
Kingshill Interchange
Highway Authority
Location type
Non-standard interchange
A41 Tring East Interchange
Route
Name
Tring East Interchange
Highway Authority
Location type
Dumbbell
A41 Tring Hill Interchange
Route
Name
Tring Hill Interchange
Highway Authority
Location type
Dumbbell
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...
Preston Bypass
The very first motorway was eight miles of relief for the Lancashire town of Preston. It goes without saying that there's an interesting story to be told about it.
