Route
Junction number
None
Markerpost
5.9 km
Name
Aberdulais Interchange
Type
Non-standard interchange
Terminus
Not a terminus
Other routes
A4109, A4230, B4434
Authority
Restricted turns
Full access
Services
No services
A465 Aberdulais Interchange
Layout and signage
|
Seven Sisters Blaendulais A4109 Tonna B4434 |
A4109 A4230 |
|
B4434 |
Seven Sisters Blaendulais A4109 Tonna B4434 |
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
The sunlit uplands
On Saturday 31 May something historic happened. The Heads of the Valleys Road was finally complete.
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?
Have you seen...
Harry Yeadon
A civil engineer, working principally in the North West of England, responsible for many of the area's motorways.
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