Arendalsbanen

In 1984, the Di 2 locomotives were replaced with Skd 224, which can haul a train weight of , albeit at very low speeds. In 1988, the number of passenger trains on the Arendal Line was reduced from six to five, with trains corresponding with all trains on the Sørland Line to and from Oslo. After upgrades to the track, the maximum speed on the line was increased from . In 1989, NSB decided to close a large number of branch line, but the Arendal Line was one of very few who were not closed. The same year, the stops Blakstad, Blakstad bru and Hurv were merged to a new stop.