From the start of Saturday, Aug. 7, to the end of Friday. Aug. 27, the Prague Public Transit Company (DPP) will work on the tram track in the area of the Vyšehrad Tunnel. Trams will not run between Výton and Podolská vodárna. The trams affected by the work will be lines 2, 3, 4, 17, 18, 21, and 24 as well as the night tram 92.