The road measures 11.05 miles long and would take a car obeying speed limits 19 minutes to travel its length.
The B4401 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 Llanfor, Llandderfel, Llandrillo, Cynwyd, and CORWEN.
The road connects Gwynedd and Clwyd.