sentences:  Nordjyske Jernbaner (NJ) runs frequent local train services from Hirtshals station to Hjørring station with onward connections from Hjørring to the rest of Denmark.An international passenger service, "Nordpilen", between Hirtshals and Hamburg, connecting with the ferries to and from Norway, ceased many years ago.Apart from local passenger traffic, there are transit freight trains linking Norway to the European continent.