A1(M) J6 The Clock Interchange

Layout and signage

Welwyn
Welwyn Garden City
A1000
  B656



B197
    B197


A1000

  Welwyn
Welwyn Garden City
A1000

Lane configuration

LanesLanesLanesLanesLanes

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

LanesLanesLanesLanes

  • Lane 1 has option to exit and splits to create a new lane.
  • Lane 2 continues ahead.

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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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Road Numbers

We'd be lost without them, but there is nothing straightforward about the seemingly simple business of giving roads a number.

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