Tinsley Motive Power Depot, latterly Tinsley Traction Maintenance Depot (TMD) was built as part of the Sheffield district rail rationalisation plan of the 1960s opening during 1965 and situated adjacent to, but at a higher level than the new Tinsley Marshalling Yard alongside the Sheffield District Railway in Tinsley, near Sheffield but accessed, by road, from Brinsworth, near Rotherham.