The first official opening of the line took place on 17 December 1910 by Prime Minister Wollert Konows, when the whole section from Arendal to Åmli was taken into use.
Pembukaan resmi pertama jalur dimulai pada 17 Desember 1910 oleh Perdana Menteri Wollert Konows, saat seluruh bagian dari Arendal sampai Åmli selesai dibangun.