A470 Swansea Road Roundabout

Layout and signage

Gelli-deg
Merthyr Tudful
Canol y dref
Merthyr Tydfil
Town centre
A4102
      A4102   Merthyr Tudful
Canol y dref
Merthyr Tydfil
Town centre
A4102
Gelli-deg

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues, with option to exit.

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues, with option to exit.

In this section

What's new

Farewell GLC lights

Why am I all nostalgic about some street lights being replaced?

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.

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Major incidents

What happens when there's a big accident on a trunk route? Who picks up the pieces, and why does it take so long?

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