A470 Coryton Interchange

Layout and signage

  M4


A4054
    A4054

M4





  Casnewydd — Newport
Pen-y-bont — Bridgend
M4 Link
Caerdydd — Cardiff
A470

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues ahead.
  • Lane 2 continues ahead.

LanesLanesLanesLanesLanes

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

Other events

  • Signs National Speed Limit begins
  • Signs Traffic signals
  • Signs 40mph speed limit begins
  • Signs Traffic signals

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...

New Medway Viaducts

Taken over the course of two years, from 2002 to 2003, these sixteen images chart the construction of two new bridges alongside the M2 Medway Viaduct.

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