Junction number
None
Markerpost
Unknown
Name
Llanfoist Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A4143, B4246
Authority
Restricted turns
Full access
Services
No services
A465 Llanfoist Interchange
Layout and signage
|
Aberhonddu — Brecon (A40) Llanfoist (B4246) A4143 |
A4143 (A40) |
|
B4246 |
Y Fenni — Abergavenny A4143 Blaenavon Llanfoist B4246 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
- Lane 1 continues, with option to exit.
- Lane 2 continues ahead.
What's new
Grand openings
Our much-loved Opening Booklets section has two new publications for you to explore, and we’re making some overdue changes to make them easier to find and easier to read.
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.
Have you seen...
M1-A1 Link Road
Those last few miles of the M1 east of Leeds were completed in 1999. It looks for the most part like a fairly average piece of road, but one of the project's engineers describes some of the challenges that were faced.
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