I think the " V " of the later style of Reporting Number indicates this as being one of the North to West through workings to Plymouth ( and possibly Cornwall ) from Crewe and the far North , running via the Severn Tunnel , from where 4087 , " Cardigan Castle " now climbs up and onwards to Bristol Temple Meads , where it might be replaced by a fresh locomotive, although being a Plymouth Laira engine the decision may well be taken at Bristol to let it run right through there and work back home to Plymouth . If I am correct 4087 will have taken over from a Midland Region engine at Shrewsbury , and the leading coaches are Gresley teak bodied examples. Vic Smith confirms:V93 was the Liverpool - Penzance via Shrewsbury & Hereford express.This shot is at the approach to Patchway station , with the original 1863 single track line visible on the left , now being the " down " line to Patchway Tunnel and the Severn Tunnel , both of which are further down to the right. The " new " line upon which 4087 is working was laid by the G.W.R. in 1886 upon the opening of the Severn Tunnel in order to provide a lengthy but less steep climb from Pilning to Patchway . A " Splitting Distant " signal just out of shot on the right indicates the road away from Patchway station towards Stoke Gifford eastbound , or alternatively the main line through the station to Bristol. Mark adds "It was unusual to see Gresley coaches on this route. Most Gresleys got to Bristol from places like Newcastle, York, Sheffield and Leeds via the Midland line through Derby, Birmingham and Gloucester. "