The road measures 25.01 miles long and would take a car obeying speed limits 44 minutes to travel its length.
The B4501 is a B Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like Fron Goch, Cwmtirmynach, Llangwm, Ty Nant, Cerrigydrudion, Nantglyn, Saron, Peniel, Lawnt, and DENBIGH.
The road connects Gwynedd and Clwyd.