The Board may, on lands in their ownership, or to be made available to them, and in the line or situation and within the limits of deviation shown on the deposited plans and according to the levels shown on the deposited sections, make and maintain the following work in Mid Glamorgan with all necessary works and conveniences connected therewith:—
In the borough of Cynon Valley—
(Deviation railway at Mountain Ash).
Work No. 2—A railway (704 metres in length), being a deviation of the Cardiff to Aberdare Railway on the eastern side of that railway, commencing by a junction with that railway at a point 58 metres south of Town Bridge over that railway and terminating by a junction with that railway at a point 78 metres south of the junction of Bailey Street with Miskin Road including a crossing on the level of the footpath (