 At the junctions, the A4086 to Llanberis is the minor road at Pen-y-Gwryd, while the A498 is the minor road at Beddgelert.At Pont Aberglaslyn, the A4085 is the minor road diverging to Penrhyndeudraeth and at Tremadog, the A498 is the major road.The junction west of Tremadog is a roundabout and at Penamser, the A498 is the minor road.