M4 J44 Lôn-las Interchange

Layout and signage

Abertawe (D)
Swansea (E)
A48
  A4230

B4291
    A48

B4625
  Abertawe (D)
Swansea (E)
A48

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.

In this section

What's new

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.

Red, white and blue

Kent County Council is run by eurosceptic nationalists. So why are they putting EU flags on their road signs?

The sunlit uplands

On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.

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Have you seen...

Reigate Tunnel

An unassuming Surrey market town with an amazing claim to fame — the world's first road tunnel.

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