67027 'Charlotte' leading 1Q54, 12:46 Eastleigh Arlington - Staines Up Loop - Ascot - Aldershot - Shalford - Staines Up Loop - Shalford - Reading - Staines Up Loop - Reading - Guildford - Woking - Alton - Chertsey - Clapham Junction - Denmark Hill - Tonbridge West Yard Network Rail test train, 67023 'Stella' on the rear service.