During the major closure of the bridge over the Nisa in Pavlovice from 1 January 2008 to the summer of 2009, a closure line ran under this number on the route DOUBÍ SÍDLIŠTĚ - Pavlovice Letná - PAVLOVICE STADION. It ran only at weekends; on weekdays line 40 ran instead on the route ZELENÉ ÚDOLÍ/BROUMOVSKÁ - Pavlovice Letná - PAVLOVICE STADION.
Subsequently a line with this number appeared during the long-term tram closure of the Fügnerova - Vratislavice nad Nisou section in 2014 and 2015. This closure considerably hampered access to the Nové Vratislavice area, so local people pushed through the introduction, on 23 June 2014, of line no. 71 Zelené Údolí - Sídliště Nové Vratislavice. Only on 10 September 2014 was it renumbered to 41 (apparently due to a clash with the number of a regional bus line). Later the line appeared on this route again in 2021 under the number 44.
Since 2016 this number has been borne by the line for transporting visitors to the Benátská festival at the Vesec grounds. Earlier it was designated 81. In some years it started already at Fügnerova.
Contributors: Boveraclub (historical records), Liberecká podniková (videos, proofreading), Tomáš Krupička Sr. (local facts) and others.
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