with half-height doors on at-grade, elevated and some underground platforms. The existing five stations on the Epping to Chatswood railway line were upgraded to rapid transit standard, all being fitted with half-height platform screen doors. In Melbourne, the Metro Tunnel, from South Kensington to South Yarra, due to open in 2025, will have platform screen doors on the underground stations. New rolling stock is being constructed, with doors that will line up with full-height ones on the platforms. The Cross River Rail in Brisbane, which is currently under construction and scheduled to open in 2024, will have platform screen doors on the new Boggo Road, Woolloongabba and Albert Street underground stations, and the new underground platforms of Roma Street. Austria Currently, only the Serfaus U-Bahn uses platform screen doors. Line U2 of the Vienna U-Bahn is being reconstructed from Schottentor station to Karlsplatz station, with the addition of platform screen doors to the reconstructed stations by 2023-2024. Bangladesh The Dhaka Metro Rail uses half-height platform screen doors at all of its elevated stations. Belarus Platform screen doors are being added to Line 3 of the Minsk Metro, which opened in late 2020. Brazil The Platform Screen Doors are present in the São Paulo Metro since 2010, when the Sacomã Station was opened. As of 2019, 5 of the 6 lines of the São Paulo Metro have the equipment: Line 4 - Yellow and Line 15 - Silver have the equipment installed in all of its stations. The feature is also present in some stations of Line 2 - Green, Line 3 - Red and Line 5 - Lilac. They are planned to be installed in 41 stations of lines 1, 2 and 3 by the end of 2021, as well as all stations of line 5 by the end of 2020. PSDs are also found on the tube stations of the RIT BRT and in the Santos Light Rail since 2016. Bulgaria Half-height platform screen doors are in use on all stations of the Sofia Metro Line 3. In 2020, rope-type screen door (RSD) system was installed in Vasil Levski Stadium Metro Station and Opalchenska Metro Station of the Sofia Metro Line 1 and Line 2. In total, such rope-type safety barriers will be installed on more 10 of the busiest stations on the Line 1 and 2 of the Sofia Metro, providing increased safety for passengers and protecting against