|Location Map ( geo)|
|A40, A472, A4059|
|Junctions related to the A470|
Coryton Interchange • Glan Conwy Interchange • Brynich roundabout • Gabalfa Interchange • Bala Junction • Abercanaid Roundabout • Cefn Coed Roundabout • Tarell roundabout • Moat Lane Junction • Cemmaes Road Roundabout • Mallwyd • Cross Foxes • Taffs Well Interchange • Nantgarw Interchange • Llyswen junction • Llanidloes roundabout • Gellideg roundabout • Rhyd-y-car roundabout • Bridge Street Interchange • Broadway Interchange • Glyntaff Interchange • Upper Boat Interchange • Llangurig roundabout • The Flourish
Abercynon Roundabout is the first at-grade roundabout on the A470 north of Cardiff. It was originally planned as a Roundabout interchange in the 1960s but by the time it opened in the 1990s it was downgraded to a roundabout.
|Cardiff/Caerdydd, M4, Pontypridd|
|Ystrad Mynach, Aberfan (A4054), Treharris, Nelson, Abercynon, Cilfynydd, Park and Ride|
|Aberdare/Aberdar, Mountain Ash/Aberpennar, Abercynon (West)|