Route
Junction number
12
Markerpost
46 km
Name
Portsbridge Interchange
Type
Non-standard interchange
Terminus
Terminus at end of exit list
Other routes
M275, A3, A27
Authority
Restricted turns
Some turns restricted
Services
No services
M27 J12 Portsbridge Interchange
Layout and signage
|
Portsmouth Continental Ferry  M275 Link Cosham Hilsea A3 |
M275 A3 |
|
A27 A3 |
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 continues ahead.
- Lane 2 continues ahead.
- Lane 3 is gained from the entry sliproad.
Other events
Start of motorway regulations
End of motorway regulations
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...
EuroRoute
Today you can catch a train to France. You can even put your car on it, and be there in less than an hour. But in the 1980s, Euro Tunnel had competition - including plans to build a motorway across the English Channel.
About this page
Published
Last updated
Published
Last updated
