Trondheim Bilruter or TBR was a municapally owned bus company in Trondheim

Trondheim

Trondheim , historically, Nidaros and Trondhjem, is a city and municipality in Sør-Trøndelag county, Norway. With a population of 173,486, it is the third most populous municipality and city in the country, although the fourth largest metropolitan area. It is the administrative centre of...

, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

 between 1951 and 1974. It was merged with the tram operators

Trondheim Tramway

Trondheim Tramway located in Trondheim, Norway consists presently of one 8.8 km tramway line, Gråkallbanen, from St. Olav's Gate in the city centre through Byåsen to Lian Station in Bymarka...

 Trondheim Sporvei

Trondheim Sporvei

Trondheim Sporvei was a municipally owned tram operator in Trondheim, Norway that existed between 1936 and 1974. The company operated the municipal parts of the Trondheim Tramway until it was merged with A/S Graakalbanen and Trondheim Bilruter to create Trondheim Trafikkselskap...

 and A/S Graakalbanen

A/S Graakalbanen

A/S Graakalbanen was a private company that built and operated the Gråkallen Line of the Trondheim Tramway between 1924 and 1972. Established in 1916, it bought large land areas in Byåsen, and built a tramway through these to reach the recreational areas in Bymarka. The line first reached Munkvoll...

 in 1974 to form 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....

. It is now part of Team Trafikk

Team Trafikk

Team Trafikk is the bus company in Trondheim, Norway and is owned by Nettbuss. The company has 225 buses, 600 employees, a revenue of NOK 270 million and a daily ridership of ca 70,000 passengers. The company receives subsidies from the City of Trondheim for their operations...

, a subsidiary of Nettbuss

Nettbuss

Nettbuss AS is the largest bus company in Norway owned by the Norwegian State Railways . It was until 2000 known as NSB Biltrafikk. The company has 14 operating subsidiaries throughout Norway and in Denmark and Sweden....

.

The presessor of the company was Autobuss, a privately owned bus company that started bus operations in Trondheim in 1929. Trondheim Bilruter did not have a monopoly on bus operation in the city. The tram operator Trondheim Sprovei operated some bus lines, and TBR only operated buses within the city limits. The buses operated by TBR were painted yellow and blue.