Route
Junction number
(M4 J32)
Markerpost
0.6 km
Name
Coryton Interchange
Terminus
Terminus at end of exit list
Other routes
M4, A4054
Authority
Restricted turns
Full access
Services
No services
A470 Coryton Interchange
Layout and signage
| M4 A4054 |
|
A4054 M4 |
Casnewydd — Newport Pen-y-bont — Bridgend M4 Link Caerdydd — Cardiff A470 |
Lane configuration
- Lane 1 continues ahead.
- Lane 2 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
Other events
National Speed Limit begins
Traffic signals
40mph speed limit begins- Traffic signals
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...
Studland Motor Road
The first motorway opened in 1958. The first road restricted to motor traffic, on the other hand, opened in 1923...
About this page
Published
Last updated
Published
Last updated
