Route
Junction number
7
Markerpost
19.5 km
Name
Switch Island
Type
Non-standard interchange
Terminus
Terminus at top of exit list
Other routes
M58, A59, A5036, A5758
Authority
Restricted turns
Full access
Services
No services
M57 J7 Switch Island
Layout and signage
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 continues ahead.
- Lane 2 splits to create a new lane.
Other events
End of motorway regulations
50mph speed limit begins
Traffic signals
Start of motorway regulations
National Speed Limit begins
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...
Mistakes
Making road signs is a tricky business, but fortunately the professionals who design them get it right. Usually.
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