A470 Abercynon Roundabout

Route

A470

Junction number

None

Markerpost

Unknown

Name

Abercynon Roundabout

Type

Roundabout

Terminus

Not a terminus

Other routes

A472, A4054, A4059

Authority

Transport Wales

Restricted turns

Full access

Services

No services

Layout and signage

Aberpennar
Mountain Ash
Aberdâr
Aberdare
A4059
Ystrad Mynach A472
Aberfan (A4054)
  A4059     A4054
A472
A4054
  Ystrad Mynach A472
Aberfan (A4054)
Aberdâr
Aberdare
A4059

Lane configuration

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues, with option to exit.

LanesLanesLanesLanes

  • Lane 1 continues, with option to exit.
  • Lane 2 continues, with option to exit.

Other events

  • Signs Traffic signals
  • Signs 50mph speed limit begins
  • Signs Traffic signals
  • Signs National Speed Limit begins

In this section

What's new

Go west! New Ringways pages are here

A new set of Ringways pages are now online, looking at unbuilt motorways and road projects west of London.

No smoke without ire

London's Ultra Low Emission Zone has just expanded to cover the whole inner city, and across the UK, other cities are implementing their own Clean Air Zones. Is this the future?

Devon help us

Road signs are colour coded for different types of road, but in Devon there are more colours than anywhere else. What do Devon's colourful signs mean?

Have you seen...

A470 End to End

The road that connects Wales together, but which nobody really uses... All five hours of the A470, from Llandudno to Cardiff, are here.