A traditional steam train from The Vale of Rheidol Railway (Welsh: Rheilffordd Cwm Rheidol). This is a narrow-gauge 1 ft 11 3âÂâ4 in (603 mm) gauge heritage railway that runs for 11 3âÂâ4 miles (18.91 km) between Aberystwyth and Devil's Bridge in the county of Ceredigion, Wales. It was the last line to be operated by steam as part of the nationalised British Railways network until it was privatised in 1989.