M4 J45 Ynysforgan Interchange

Layout and signage

Abertawe (G)
Swansea (N)
Pontardawe
A4067
  A4067

B4603
    A4067

B4603
  Abertawe (G)
Swansea (N)
Pontardawe
A4067

Lane configuration

LanesLanesLanesLanes

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

LanesLanesLanesLanes

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

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In 2022, Manchester City Council say they reduced the speed limit on the Mancunian Way to 30mph. But it’s not clear if they did. It’s not even clear if they can.

Sorry, wrong number

Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?

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Have you seen...

Emergency Diversion Routes

Those funny black and yellow symbols are everywhere - and they might just get you back on track one day.

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