M275 Princess Royal Way Junction

Layout and signage

N/A         HM Naval Base
Flathouse Quay
Portsmouth (W) A3
Isle of Wight Ferries Vehicle Ferry

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 exits and does not return.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanesLanes

  • Lane 1 is gained from the entry sliproad.
  • Lane 2 is gained from the entry sliproad.
  • Lane 3 continues ahead.
  • Lane 4 continues, with option to exit.

Other events

  • Signs Traffic signals
  • Signs Start of motorway regulations
  • Signs 50mph speed limit begins
  • Signs End of motorway regulations
  • Signs 40mph speed limit begins

In this section

What's new

The sunlit uplands

On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.

Grand openings

Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.

Silver bullet

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

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West Cross Route

Desperately-needed but never built, this was one of the only London urban motorway plans that were ever progressed to the construction stage.

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