Route
Junction number
6
Markerpost
39.5
Name
The Clock Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A1000, B197, B656
Authority
Restricted turns
Full access
Services
No services
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
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 1 has option to exit and splits to create a new lane.
- Lane 2 continues ahead.
What's new
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?
A century of motorways
It's 100 years since the opening of the world's first motorway, the Autostrada from Milan to the Lakes.
Have you seen...
Operation Stack
If there's trouble crossing the Channel, you'll see the lorries queuing on the M20. What is Operation Stack? Why does it cause so much trouble? And why, more than twenty years after it started, are we still using it?
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