Norrbotten County has five airports with scheduled flights: Luleå, Kiruna, Gällivare, Arvidsjaur and Pajala. The national road network traverses the county, with international links with Norway and Finland. The harbour in Luleå is Sweden's leading bulk harbour. The county's railway network, both in a north-south direction and to Finland and on further east, is a vital link for both goods and passenger traffic. The Ore Line between Luleå and Narvik in Northern Norway is one of Sweden's most important goods routes.