1.2km single carriageway road starting at the northern edge of Machynlleth, crossing the Afon Dyfi flood plain, and re-joining the A487 to the south
ffordd gerbydau sengl 1.2km gan ddechrau ar ymyl ogleddol Machynlleth, gan groesi gorlifdir Afon Dyfi, ac ail-ymuno â'r A487 i'r de