 Barrow-in-Furness is one of the country's largest shipbuilding centres, but the Port of Barrow is only minor, operated by Associated British Ports alongside the Port of Silloth in Allerdale.There are no ferry links from any port or harbour along the Cumbria coast.The busiest railway stations in Cumbria are Carlisle, Barrow-in-Furness, Penrith and Oxenholme Lake District.