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The Cambrian Line (Welsh: Llinell Cambria) is a railway from Shrewsbury (in Shropshire, England) to Aberystwyth and Pwllheli in Wales.
The railway is scenic: it runs through the Cambrian Mountains in central Wales and along the coast of Cardigan Bay.
The line includes long sections of single track.
The line was finished in the 1860s. The line divides at Dovey Junction.
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Built by British Rail Engineering Limited (BREL) at its Derby Litchurch Lane Works, the British Rail Class 158 Express Sprinter is a diesel multiple-unit (DMU). They were built between 1989 and 1992 to replace many locomotive-hauled passenger trains on key long distance cross-country routes.
An improvement on previous incarnations of the Sprinter series, the 158 offered luxuries such as air conditioning, an on-board payphone, power-operated interior doors, a toilet in each carriage, and provision for a refreshment trolley service. They also offered a top speed of 90 miles per hour (140 km/h) and a generally more comfortable ride for passengers. They have a range of up to 1,600 miles between refuellings.
Built for British Rail, they are currrently operated in the UK by, Abellio ScotRail, Arriva Trains Wales, East Midlands Trains, Great Western Railway, South Western Railway and Northern.