6th May 2018 GWR Celebrity powercar No.43172 speeds down the ramp from Cogload Junction flyover on Sunday 6th May while operating the 1Z83 13:43 London Marylebone - Penzance service with partner No.43150. HST's had been diverted into Marrylebone due to weekend engineering work being carried out by Network Rail preventing access into London Paddington. (Photo: Ross Mayl)