M32 J3 Lower Ashley Road Interchange

Layout and signage

  B4051




    B4051
A4320





  Knowle
Bath
A4320 (A4)
City Centre
A4032

Lane configuration

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  • Lane 1 is gained from the entry sliproad.
  • Lane 2 continues, with option to exit.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

Other events

  • Signs 60mph speed limit begins
  • Signs Start of motorway regulations
  • Signs End of motorway regulations
  • Signs 40mph speed limit begins

In this section

What's new

Signs and sensibility

The one great attempt to make London’s streets logical - and how one retired chauffeur’s favourite routes changed the way you get around the capital.

A bridge under troubled bridges

A bridge that was ruined by another bridge, and a type of highway planning beyond any of the UK’s worst nightmares.

The monster seen from below

What might it have been like to stand in one spot and witness the arrival, and the uncertainty, of plans for an urban motorway in West London?

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M1 Architecture

The most unique motorway in Britain owes its identity to its fifties architecture. Much of it is in danger of being removed or irreperably altered. This page documents it in detail.

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