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

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  • 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

Hello, here's my ridiculous side project

An introduction to what I write, and why I write it, and where my strange new road sign simulator fits in to all this.

London, in a new light

It was specially designed never to be noticed. And now it's disappearing, nobody has noticed its absence. It's London's own bespoke street light.

The Ringways Map is here

The wait is over! The full map of the Ringways, London’s unbuilt urban motorway network, is now online. Not even the system's planners had anything like this.

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Have you seen...

Road signs

A field guide to the UK's road signs, explaining the colours, shapes, symbols and everything else you need to know to avoid putting a foot (or a wheel) wrong.

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