 An extraordinary general assembly was held on 30 November 1911 where the company was decided dissolved and the assets transferred to the state.This occurred on 22 and 23 January 1912, and from 24 January, the line was integrated with NSB and became subordinate Arendal District.After being nationalized, NSB stationed a telegraph operator at Rykene, and increased the number of ties to increase the axle load to NSB's standard of .