Middleton shunt v2 {part 2 of 2}

#ts14 Scenario Final GB steam #rtdp{00000112-0000-0000-0000-000000000000} Weardale and Teesdale Railway Network Route Fowler 4F BR/LNER Class J50 LNER/BR Class J94 0-4-OST Saddle Tank #scnr{f2801f77-a1b7-4705-b30f-35832e6d7657}