Original: The British Rail Class 506 was a 3 carriage Electric Multiple Unit (EMU) built for local services between Manchester, Glossop and Hadfield on the Woodhead Line, which was electrified in 1954.
Simplified: The British Rail Class 506 was a 3 carriage Electric Multiple Unit (EMU) built for local services between Manchester, Glossop and Hadfield on the Woodhead Line.