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
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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.
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