A55 J27A Pont Dafydd Junction

Layout and signage

Llanelwy
St Asaph
(A525)
  (A525)      

Lane configuration

LanesLanesLanesLanes

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

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A century of motorways

It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.

Schrödinger’s speed limit

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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Clear and legible

A century ago, one short memorandum issued by the Ministry of Transport laid the groundwork for a system of standardised, uniform road signs and a great deal more.

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