Route
Junction number
A50 J4
Markerpost
437.5 km
Name
Toyota Island
Terminus
Not a terminus
Other routes
A50, B5008
Authority
Restricted turns
Full access
Services
No services
Service area name
Derby and Burton
Services operator
Shell
A38 (Midlands) (A50 J4) Toyota Island
Layout and signage
Derby & Burton
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 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...
Almondsbury Interchange
The UK's first four-level interchange opened in 1966. Relive some of the wonder and excitement of this icon of the motorway era with the book published to mark its completion.
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