A406 Stonebridge Park Junction

Layout and signage

Harrow
Wembley
Harlesden
A404
  A404     A404   Harrow
Wembley
Harlesden
A404

Lane configuration

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

LanesLanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues ahead.
  • Lane 3 continues ahead.

Other events

  • Signs 50mph speed limit begins
  • Signs 40mph speed limit begins

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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Have you seen...

Driver Location Signs

If you're on the motorway (in England at least) you might have noticed some funny blue signs down the side of the road. What are they for?

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