Route
Junction number
3
Markerpost
1.2 km
Name
Lower Ashley Road Interchange
Terminus
Terminus at end of exit list
Other routes
A4032, A4320
Authority
Restricted turns
Full access
Services
No services
M32 J3 Lower Ashley Road Interchange
Layout and signage
| B4051 |
|
B4051 A4320 |
Knowle Bath A4320 (A4) City Centre A4032 |
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues, with option to exit.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
Other events
60mph speed limit begins
Start of motorway regulations
End of motorway regulations
40mph speed limit begins
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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