The signalman at Park Junction shelters from the rain, as he watches the Pathfinder Tours 1Z37 Crewe to Ebbw Vale 'Gwent Valley Explorer' railtour pass his box, en-route to Ebbw Vale on 23 May 1987. 37280 is bringing up the rear, but the much more unusual 40122 (D200) is out of sight at the front of the train, heading for unfamiliar territory in the Welsh Valleys.