Route
Junction number
None
Markerpost
50.8 km
Name
Forder Valley Interchange
Terminus
Not a terminus
Other routes
B3413
Authority
Restricted turns
Full access
Services
No services
A38 (Devon Expressway) Forder Valley Interchange
Layout and signage
|
Eggbuckland Mainstone B3413 |
B3413 |
|
Eggbuckland Mainstone B3413 |
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 monster seen from below
What might it have been like to stand in one spot and witness the arrival, and the uncertainty, of plans for an urban motorway in West London?
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.
Have you seen...
Driver Location Signs
If you're on the motorway (in England at least) you might have noticed some funny blue signs down the side of the road. What are they for?
About this page
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Last updated
Published
Last updated
