tram traffic to the Azovstal Smelter was ceased. On December 1, 2018, route Route 3 was changed and the route was extended to Livoberezhny District. Route 4 to City Hospital and Route 2 to Livoberezhny District were created. There were also changes in the schedules of tram routes No. 5, 6, 9 and 11 and the canceled route No. 15. On February 10, 2022, an official application for smartphones was launched in Mariupol, in which you can see the movement of public transport in real time. All routes were rendered inoperable during the Siege of Mariupol and service had not resumed as of 2023. Depots Tram Depot No. 1 was located 92 Mykolaivska Street. The depot was until recently the city's central tram depot serving routes 1, 3, 7, 8, 10 but closed in 2004. The depot was located in the center of the Central District and was sold by the tram operator for the construction of a modern residential complex. Tram Depot No. 2 is located 22 Taganrozka Street on the Left Bank of the Kalmius River. The depot originally served the "Azovstal" line. Before its closure due to the war, depot No. 2 served routes 5, 6, 9, 11. Tram Depot No. 3 is located at 162 Karpova Avenue in the Kalmius District. Before its closure, Depot No. 3 served routes 7, 9, 10, 13, 14. Rolling Stock Tram traffic was opened in the city in 1933 by 8 X+M tram trains (12X, 7M and 1 Kyiv 4-axle car which arrived before World War II). In the post-war period, 8 train sets of Kyiv-made trams from the Dombal Plant arrived. Later KTM/KTP-2 train sets were added, and in the 1960s, 2 more RVZ-6 cars were added. Between 1967 and 1985, all historic cars were replaced by the Tatra T3 model. Retired Mariupol train sets were then transferred to Donetsk, Odesa and Zaporizhia. Between 1985 and 2017, the main type of trams in Mariupol were KTM-5 models. On January 26, 2017, the first Tatra T3 SUCS wagon arrived in Mariupol. Another 9 wagons arrived in February 2017. Trams previously operational in Prague were repurposed and sent to Mariupol where they received model numbers 701–710. As of April 1, 2017, the system operated 80 wagons with 70 wagons operating daily on city routes. KTM-8 trams (Nos. 601–605) were operated from November 1993 to August 2017. In 2018, used Tatra T3A