The road measures 23.12 miles long and would take a car obeying speed limits 46 minutes to travel its length.
The B4342 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 NEW QUAY, Gilfachrheda, LLANARTH, Mydroilyn, Dihewyd, Felinfach, Talsarn, Bwlchllan, Llangeitho, and TREGARON.
The road connects Dyfed and Dyfed.