A419 (M4 J15) Plough Hill Interchange

Layout and signage

N/A   M4







    M4







  London
Newbury
M4 Link
Marlborough A346
SOUTH WALES
Bristol
M4 Link

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues ahead.
  • Lane 2 continues ahead.

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 exits and does not return.

In this section

What's new

Silver bullet

The Silvertown Tunnel is finally open for business. One question remains: what’s it for?

Skid Risk, Accident, Fog

For the first time, we can share pictures of the pioneering experiment that lit up the Worcestershire countryside with enormous signs 61 years ago.

All change

In July 2024, a new Government entered office with a very different set of priorities. What does it mean for a faltering roads programme?

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Junction Three

The M621 has one junction where everything leaves the motorway and heads for the city, and a very bizarre junction it is too.

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