The road measures 24.98 miles long and would take a car obeying speed limits 36 minutes to travel its length.
The B4396 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 Llanwddyn, Penybontfawr, Llanrhaeadr Ym Mochnant, Llangedwyn, Pen-y-Bont, Llanyblodwel, Llynclys, Morton, Knockin, Knockin Heath, and Kinnerley.
The road connects Powys and Shropshire.