The forty eight arch Whalley viaduct was took four years

to build being completed in 1850. At just over half a kilometre long it remains the largest viaduct in Lancashire carrying the former Lancashire and Yorkshire line between Blackburn and Hellifield across the Calder Valley. In this view taken from the end of Whalley station 150214 approaches the station working the 2N57 09.03 Manchester Victoria to Clitheroe service.