Route
Junction number
9B
Markerpost
48.8 km
Name
Maidenhead Thicket Interchange
Terminus
Terminus at top of exit list
Other routes
A4
Authority
Restricted turns
Full access
Services
No services
A404(M) J9B Maidenhead Thicket Interchange
Layout and signage
|
Twyford Reading Maidenhead A4 Marlow High Wycombe Oxford (M40 Link) A404 |
A4 |
|
A4 |
N/A |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
Other events
End of motorway regulations
Start of motorway regulations
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...
Clear and legible
A century ago, one short memorandum issued by the Ministry of Transport laid the groundwork for a system of standardised, uniform road signs and a great deal more.
About this page
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