M4 J17 Stanton St Quinton Interchange

Layout and signage

Cirencester
A429
Chippenham
A350
  A429     B4122

A350
  Cirencester
A429
Chippenham
A350

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.

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...

C-Roads

A collection of photos of signs confirming the existence of C-roads.

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