Route
Junction number
3
Markerpost
44.8
Name
Knaves Beech Interchange
Type
Terminus
Not a terminus
Other routes
A40
Authority
Restricted turns
Some turns restricted
Services
No services
M40 J3 Knaves Beech Interchange
Layout and signage
|
High Wycombe (E) A40 |
 |
(A40) |
Lane configuration
- Lane 1 exits and does not return.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
- Lane 1 is gained from the entry sliproad.
- Lane 2 continues ahead.
- Lane 3 continues ahead.
- Lane 4 continues ahead.
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?
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?
About this page
Published
Last updated
Published
Last updated
