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
Metropolitan City of Naples capital city. Due to the presence of Vesuvius and Phlegraean Fields, the city is vulnerable to seismic and volcanic activity. The city is 96th out of 110 Italian provinces and metropolitan cities by landmass, with an area (1,171 km² including islands) that is smaller than the core "comune" of Rome (1,287 km²). Naples is nevertheless Italy's 3rd largest city by population, making it one of the most densely populated areas in Europe; the metropolitan region also includes the municipality of Casavatore, the highest-density municipality in Italy (at 12,000 inhabitants/km²). While it contains more than half of Campania's population, it only