On a wet Saturday 26 January 1985, class 31 31289 propels the empty coaching stock of a S.L.O.A. charter train to Stratford-upon-Avon- into London Marylebone station. Gresely 'A4' class 4-6-2 No.4498 'Sir Nigel Gresley' is being prepared alongside the D.M.U. depot.