Route
Junction number
32
Markerpost
245.2 km
Name
Coryton Interchange
Terminus
Not a terminus
Other routes
A470, A4054
Authority
Restricted turns
Full access
Services
No services
M4 J32 Coryton Interchange
Layout and signage
|
Caerdydd (G) Cardiff (N) Merthyr Tudful Merthyr Tydfil A470 |
A4054 A470 |
|
A470 A4054 |
Caerdydd (G) Cardiff (N) Merthyr Tudful Merthyr Tydfil A470 |
Lane configuration
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 exits and returns after the junction.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
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.
Have you seen...
Glasgow
Even in the 1960s heyday of roadbuilding, some people said you could never build your way out of congestion. Glasgow had plans to prove them wrong.
About this page
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Last updated
Published
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