Route
Junction number
None
Markerpost
Unknown
Name
Aberbaiden Roundabout
Terminus
Not a terminus
Other routes
A4077, B4246
Authority
Restricted turns
Full access
Services
No services
A465 Aberbaiden Roundabout
Layout and signage
|
Gilwern Crughywel — Crickhowell A4077 Blaenafon — Bleanavon B4246 |
A4077 | 
|
B4246 |
Gilwern Crughywel — Crickhowell A4077 Blaenafon — Bleanavon 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.
Other events
National Speed Limit begins
50mph speed limit begins
What's new
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The forever bottleneck, part 1
The M4 into London was one of the UK's earliest and most ambitious motorway projects. It was bold, pioneering... and almost instantly regretted.
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Road Numbers
We'd be lost without them, but there is nothing straightforward about the seemingly simple business of giving roads a number.
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