The Rutebilhistorisk forening avd. Telemark is an interest organization that aims to preserve and communicate the history of regular buses in Telemark. The association offers weekly Wednesday meetings for people interested in regular buses, where members can share knowledge and experiences. In addition, they arrange volunteer work every other Saturday, where members contribute to the maintenance of the association's assets and activities.
The association has an extensive photo album that documents the history of regular buses over the years, and they organize tours and activities related to this topic. It is also possible to rent a bus from the association, which may be of interest to groups who want to explore the history of regular buses in more detail. The Rutebilhistorisk forening avd. Telemark receives support through Grasrotandelen, which contributes to their work with the preservation and communication of regular bus history.