M4 J32 Coryton Interchange

Layout and signage

Caerdydd (G)
Cardiff (N)
Merthyr Tudful
Merthyr Tydfil
A470
  A4054


A470



   

A470

A4054
  Caerdydd (G)
Cardiff (N)
Merthyr Tudful
Merthyr Tydfil
A470

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 exits and returns after the junction.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

In this section

What's new

Silver bullet

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

Skid Risk, Accident, Fog

For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.

All change

In July 2024, a new Government entered office with a very different set of priorities. What does it mean for a faltering roads programme?

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Have you seen...

London Congestion Charge

One of the world's biggest and most controversial schemes to manage traffic by charging for roadspace. You can drive in to London if you like, guv, but it'll cost you.

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