The road measures 8.25 miles long and would take a car obeying speed limits 14 minutes to travel its length.
The B4570 is a B Road and is located in the Zone 4 Highways Region.
The road passes through several towns, including CARDIGAN, Llangoedmor, Ponthirwaun, and Cwm Cou.
The road is located entirely within Dyfed.