The road measures 26.13 miles long and would take a car obeying speed limits 54 minutes to travel its length.
The A4054 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 Cefn Coed, MERTHYR TYDFIL, Pentrebach, Troedyrhiw, Merthyr Vale, Pontygwaith, TREHARRIS, Edwardsville, Abercynon, Cilfynydd, PONTYPRIDD, Treforest, Rhydyfelin, Hawthorn, Upper Boat, Treforest Industrial Estate, Nantgarw, Taffs Well, Gwaelod-y-Garth, Tongwynlais, CARDIFF, Whitchurch, and Llandaff North.
The road connects Mid Glamorgan and South Glamorgan.