23rd April 2019 With just five GWR HST long distance diagrams remaining, GWR HST No. 43194 'Okehampton Castle' and No. 43187 'Cardiff Castle' take the direct route to London with the 1A79 06:47 Penzance to London Paddington on Tuesday 23rd April 2019, pictured passing West Lyng, just east of Cogload Junction. (Photo: S A Ginn)