At the junction, turn left and continue in a North-Westerly direction along the A484 Kidwelly By-Pass to Parc Y Bocs Roundabout.
Troi i'r chwith wrth y gyffordd a pharhau i gyfeiriad y gogledd-orllewin ar hyd yr A484 Ffordd Osgoi Cydweli hyd at gylchfan Parc y Bocs.