Kammala wannan jumla: An fara gina Layin Ofoten a 1898 tare da Layin Ore daga Riksgränsen zuwa Kiruna. An kammala su a cikin 1902, suna ba LKAB damar ɗaukar ma'adinai daga ma'adinan su a Kiruna zuwa tashar Narvik da ba ta da kankara. Gudanarwa da mallakar layin mallakar Norwegian State Railways ne. An yi amfani da wutar lantarki a cikin 1915 kuma Norwegian State Railways (NSB) ya fara amfani da locomotives El 3 da El 4. A lokacin yakin duniya na biyu, an dakatar da zirga-zirgar ma'adinai saboda
Yaƙe-yaƙe na Narvik da harin bam na garin. A cikin shekarun da suka biyo baya, NSB ya gabatar da El 12 da El 15 locomotives. A cikin 1996, Malmtrafik ya karɓi aikin jirgin ƙasa na ƙarfe, wanda kamfanin hakar ma'adinai na LKAB ke sarrafawa kuma yanzu ya zama reshen kamfanin. A wannan shekarar, an canja ikon mallakar layin dogo zuwa sabuwar Hukumar Kula da Jirgin Ruwa ta Norwegian. An inganta layin zuwa nauyin axle, yana ba da damar sabbin locomotives na Iore su jawo jiragen kasa.