Trondheim Trafikkselskap Trondheim Trafikkselskap Trondheim Trafikkselskap or TT was the city public transport company for Trondheim, Norway between 1974 and 2001. It operated both the city buses, and the Trondheim Tramway until 1988. The company was owned by the city council. TT was founded in 1972 as a merged between the municipal owned tramway companies Trondheim Sporvei and Graakalbanen, and the bus company Bynesruten. In 1974, the company was reorganized as a municipal agency, and also took over the private bus operator Trondheim Bilruter, along with the city bus lines of Klæburuten and NSB Bilruter. In 2001, the company merged with Hemne
Trondheim to replace the ferry have been planned, but none have begun construction. Trondheim also boasts the northernmost (since closure of Arkhangelsk tram in 2004) tramway line in the world: the Gråkallen Line, the last remaining segment of the Trondheim Tramway, is an route (which is mostly single-track outside the innermost parts of the city; except the stretch between Breidablikk and Nordre Hoem stations) which runs from the city centre, through the Byåsen district, and up to Lian, in the large recreation area Bymarka. Trondheim boasts the world's only bicycle lift, "Trampe". The bus network, operated by AtB, runs throughout most