M3 J13 Leigh Road Interchange

Layout and signage

Eastleigh
Chandler's Ford
A335
 




A335
   




A335
  Eastleigh
A335
Southampton Vehicle Ferry
Bournemouth
M27 (W) Link

Lane configuration

LanesLanesLanesLanesLanesLanes

  • Lane 1 exits and does not return.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

LanesLanesLanesLanesLanes
LanesLanesLanesLanesLanesLanesLanesLanes

  • Lane 1 has option to exit and splits to create a new lane.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.
  • Then further along:
  • Lane 1 continues ahead.
  • Lane 2 continues ahead.
  • There is a barrier between lanes.
  • Lane 3 continues ahead.
  • Lane 4 continues ahead.

In this section

What's new

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?

The road that made no sense

It was the UK's only single-carriageway motorway, and twenty years ago it ceased to exist. This is the story of the strange fascination it held, and of my place in history.

The forever bottleneck, part 2

The second part of the story, where we learn why exactly the M4 gets narrower on the final approach to Europe’s biggest city.

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