No. 1006 On an Up north Wales postal train. Rails in placed but not keyed, on newly formed track bed for Watford electrics in foreground. A pair of tall signal posts with co-acting arms in distance, shortly before removal to make No. 1006 On an Up north Wales postal train. Rails in placed but not keyed, on newly formed track bed for Watford electrics in foreground. A pair of tall signal posts with co-acting arms in distance, shortly before removal to make way for the new tracks. Kenton. Source: HGT Photographer: H Gordon Tidey.