 The largest locomotive depot was at Stoke , with 125 engines at grouping . The next largest was Alsager with an allocation of 15 engines . Other NSR depots existed at Macclesfield , Derby , Uttoxeter , Burton and Crewe . Stoke also had sub @-@ sheds at Market Drayton , Leekbrook and Ashbourne . NSR engines were also sub @-@ shedded at other companies depots , with arrangements existing at the LNWR sheds at Stafford , Liverpool Edge Hill and Manchester Longsight and the GNR shed at Nottingham Colwick . 
