Traditionally the Nordland Line was defined as running from Hell to Bodø, but the National Rail Administration has officially classified it as running from Trondheim Central Station to Bodø, a distance of . This makes it the longest railway line in Norway. It is single track, standard gauge, but not electrified. Centralized traffic control is installed south of Mosjøen, with partial automatic train control. GSM-R is installed on the whole line. The Nordland Line is owned and maintained by the Norwegian National Rail Administration.