22nd Oct: LMS Princess Class 4-6-2 #46201 'Princess Elizabeth' THE WEST SOMERSET STEAM EXPRESS 1Z46 from London Paddington to Minehead West Som Rwy (46201 hauled as far as Bishops Lydeard) Theale-Aldermaston. The morning fog was cleared and we had brilliant autumn sunshine as far as M4 Reading Service but when I got M4 J12 then the stubborn thick fog or cloud was still there and it would not be cleared up by the time of the event.