Bishop Auckland Railway Station Bishop Auckland Railway Station Shildon Tunnel (from Eldon side) Shildon Railway Station Newton Aycliffe Railway Station Heighington Railway Station Crossing the A1(M) Darlington Railway Station Shildon Locomotion Railway Museum Somewhere near South Church, Bishop Auckland Shildon Tunnel (from Eldon side) Shildon (with the Locomotion museum in the distance) Shildon Locomotion Railway Museum Heighington Railway Station Shildon (with the Locomotion museum in the distance) Somewhere near North Road Railway Station Darlington Railway Station Crossing the A1(M) Shildon Railway Station Somewhere near South Church, Bishop Auckland Somewhere between Bishop Auckland and Shildon Tunnel Somewhere between Shildon and Newton Aycliffe