The road measures 13.71 miles long and would take a car obeying speed limits 20 minutes to travel its length.
The A479 is a A Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like Llyswen, Bronllys, Talgarth, Cwmdu, Tretower, and CRICKHOWELL.
The road is located entirely within Powys.