Route
Junction number
12
Markerpost
139.8 km
Name
Gaydon Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
B4451
Authority
Restricted turns
Full access
Services
No services
M40 J12 Gaydon Interchange
Layout and signage
|
Gaydon B4451 |
B4451 | 
|
B4451 |
Gaydon B4451 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
What's new
A bridge under troubled bridges
A bridge that was ruined by another bridge, and a type of highway planning beyond any of the UK’s worst nightmares.
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.
Have you seen...
Old Motorway Photos
A gallery of images sent in by visitors to the site of original photos of motorways — including some impressive views of the M4 and M11 under construction.
About this page
Published
Last updated
Published
Last updated
