sentences:  In 1976 Trave Line was merged with the trains-ferry operations of Swedish State Railways to form Saga Line.In 1980 large mergers were made in the Linjebuss small-ferry operations, bringing Linjebuss together with lines operated by the Swedish State Railways and a Danish company under the name Scandinavian Ferry Lines.In the same year TT-Line started joint operations with Saga Line and TT-Saga Line was formed.