Route
Junction number
None
Markerpost
18.1 km
Name
Cwmgwrach Roundabout
Type
Roundabout
Terminus
Not a terminus
Other routes
B4242
Authority
Restricted turns
Full access
Services
No services
A465 Cwmgwrach Roundabout
Layout and signage
|
Glyn-nedd — Glynneath B4242 Blaengwrach Cwmgwrach |
B4242 | 
|
Blaengwrach Cwmgwrach Glyn-nedd — Glynneath B4242 |
Lane configuration
- Lane 1 continues, with option to exit.
- Lane 2 continues, with option to exit.
- Lane 1 continues, with option to exit.
- Lane 2 continues, with option to exit.
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...
Mickleham Bends
Once it was one of the UK's most dangerous roads — just what is so special about a bit of dual carriageway in Surrey?
About this page
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Published
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