the entire length of the A4060 from its junction with the A470 Abercanaid roundabout to its junction with the A465 Dowlais roundabout including the circulatory carriageway of the Pentrebach roundabout Triangle Business Park roundabout and Mountain Hare roundabout;

that length of the A470 from the boundary with the County Borough of Rhondda Cynon Taff at a point approximately 320 metres north of the A470 Abercynon roundabout to the boundary with the County Borough of Rhondda Cynon Taff at a point approximately 895 metres north of the Cefn Coed roundabout including the circulatory carriageway of the Abercanaid roundabout, Rhydycar roundabout and Swansea Road roundabout;

that length of the A470 from the boundary with the County Borough of Rhondda Cynon Taff at a point approximately 351 metres south of the A4054 Upper High Street Cefn Coed junction to the boundary with the County of Powys at Pont-Llysiog; and

that length of the A465 from the boundary with the County Borough of Caerphilly at a point approximately 550 metres east of the A465 Dowlais Top roundabout to the boundary with the County Borough of Rhondda Cynon Taff at a point approximately 13 metres east of its junction with the B4276 Merthyr Road including all slip roads and the circulatory carriageway of the A465/A4060 Dowlais roundabout, A465 Dowlais Top roundabout and Cefn Coed roundabout.