Class 37 - Colas - 37421 - DCC Sound Fitted Scottish Region It kept its name on

It kept its name on its Regional Railways repaint in May 1993 and was stored in 2001

London Transport’s railway network is well known for being electrified and “underground” but there had always been a small fleet of steam locomotives retained for working infrastructure trains on the surface lines

SK and SO (declassified from first class)

SR Tadpole Mixed ex-1478/1479 Van - British Railways Departmental - Triple Pack

Class 37 - Colas - 37421 - DCC Sound Fitted Scottish Region It kept its name on37421 Colas Rail Stored by EWS at Motherwell in March 2005 and sold for preservation at the Pontypool & Blaenavon Railway in 2009, No. 37421 was one of four Class 37s that was purchased by Colas Rail in 2013 for a return to the main line, along with Nos. 37116, 37175 and 37219. While the latter pair debuted for their new owner in the middle of 2014, it would be another year before No. 37421 would re enter traffic along with BR green liveried former