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Rudmore Roundabout

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Rudmore Roundabout
Location Map ( geo)
Cameraicon.png View gallery (3)
Highway Authority
Junction Type
Roundabout Interchange
Roads Joined
M275, A3

Rudmore Roundabout is junction 2 of the M275.

It was once the only British motorway junction not on mainland Britain (Tipner Interchange, just to the north has joined it). It is at the bottom of the M275, outside the Continental Ferry Port, for cross-channel ferries to Bilbao, Cherbourg, Caen, Le Havre, Santander, St Helier, St Peter Port and St Malo.

Space was left for a flyover, which was opened on 3 Mar 1988. It is a 140 metre long, three-span flyover with two parallel decks. The cross-section of the outer edge of the flyover is 10 metres longer than the inner edge. It was described as "one of the most complex steel bridges in the country". Whale Island Way was added in the 1990s.

The opening of the flyover allowed for a modest extension of the short M275 motorway. Arguably there was another short extension in 2011 when a new exit for Trafalgar Gate was built, but a decision was taken not to make the extended road part of the motorway.

As befits its unusual location, this junction has a number of unusual features, including white signs on the northbound on-slip instructing HGVs to stay out of lane two, but not giving a reason why. This slip road also has a set of traffic lights half-way along it, allowing access from the ferry port. As originally proven by Pathetic Motorways, this entrance originally had no signs to forbid pedestrians from walking on to the motorway from Whale Island Way, despite this entrance having two VMS signs of its own. 'No pedestrians' signs were added in 2008, and motorway chopsticks were finally added in 2014.


Route To Notes


Out of City (M27)


Hilsea, Stamshaw, Mountbatten Centre, Greyhound Centre


Central Southsea, City Centre, Isle of Wight Ferries


North End, Fratton A2047 number not on signs
Cross Channel Ferries, Albert Johnson Quay, Whale Island Whale End Way


Rudmore Roundabout
Related Pictures
View gallery (3)
A3 (northbound) - Coppermine - 8472.jpgRudmore Roundabout flyover construction.jpgM275 - Coppermine - 4237.jpg
Other nearby junctions
Junctions on the M27 and spurs
M27Cadnam • 2 Ower • 3 Rownhams • 4 Chilworth • 5 Stoneham • Townhill Park • 7 Hedge End • 8 Windhover • 9 Park Gate • 10 North Hill • 11 Wallington • 12 Paulsgrove • 12 Hilsea
Unbuilt M27:13 Portsbridge • 14 Farlington • 15 Broad Marsh • Langstone • Warblington • Fishbourne Roundabout
M271Redbridge • 1 Nursling • 2 Rownhams • Romsey Road
M275Paulsgrove • Hilsea • 1 Tipner • 2 Rudmore Roundabout
Other spursOwer Rdbt • Swaythling • Portswood • Bevois Valley • Western Terminal • Allington Ln Rdbt • Mousehole Rdbt
Junctions on the A3
Bank • Monument • Borough • Elephant & Castle • Kennington Oval • Clapham Common • Wandsworth Gyratory • Tibbets Corner • Roehampton Lane • Stag Lane • Robin Hood • Coombe Lane • Shannon Corner • Malden Corner • Tolworth • Hook • Esher Common • Painshill • Wisley • Ockham Park • Send • Burpham • Stoke • Wooden Bridge • University • Hogs Back • Compton • Shackleford • Milford • Thursley • Hazel Grove • Liphook • Griggs Green • Longmoor • Ham Barn Roundabout • Flexcombe • Sheet • Berelands • Weston • QE Country Park • Clanfield • 1 London Road • 2 Hazelton • 3 Hulbert Road • 4 Purbrook Way • 5 Bedhampton Roundabout • Broad Marsh • Spur Road Roundabout • Paulsgrove • Portsbridge Roundabout • Rudmore • Church Street Roundabout • Cambridge Junction

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