Route
Junction number
M1 J13
Markerpost
0.0 km
Name
Ridgmont Interchange
Type
Non-standard interchange
Terminus
Terminus at end of exit list
Other routes
M1, A507
Authority
Restricted turns
Full access
Services
No services
A421 (M1 J13) Ridgmont Interchange
Layout and signage
Lane configuration
- Lane 1 continues ahead.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Then further along:
- Lane 1 terminates.
- Lane 2 terminates.
What's new
Signs and sensibility
The one great attempt to make London’s streets logical - and how one retired chauffeur’s favourite routes changed the way you get around the capital.
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?
Have you seen...
Harry Yeadon
A civil engineer, working principally in the North West of England, responsible for many of the area's motorways.
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