Route
Junction number
M5 J4A
Markerpost
1.3 km
Name
Catshill Interchange
Type
Terminus
Terminus at end of exit list
Other routes
M5
Authority
Restricted turns
Full access
Services
No services
M42 (M5 J4A) Catshill Interchange
Layout and signage
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
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.
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