Route
Junction number
12
Markerpost
45 km
Name
Hilsea Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
M275, A27
Authority
Restricted turns
Some turns restricted
Services
No services
M27 J12 Hilsea Interchange
Layout and signage
M275 |
|
(A27) |
Hilsea Cosham A27 Portsmouth Continental Ferry  M275 Link |
Lane configuration
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 exits and does not return.
- 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...
Linnyshaw Moss
The UK's widest motorway is not where you might expect to find it — in fact, it's on the unassuming M61 near Manchester. This gallery offers an overhead view of one of the UK's most unique and spacious interchanges.
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