buildings and manufacturing plants would employ about 40,000 employees by 2050. The increased number of employees would lead to the vehicular traffic chaos and collapse unless the new S-Bahn North Ring and new U26 are built with stations at Forschungszentrum. The higher capacity of U26 and underground placement (without impacting the vehicular traffic) could make it more feasible and possible than tram line. More booster lines Different booster lines have been discussed for years without any concrete plans. U10 Harthof - Münchner Freiheit - Odeonsplatz - Sendlinger Tor - Harras A third booster line, U10, would share U2 line between Harthof and Scheidplatz then switch to U3 line between Scheidplatz and Implerstraße before turning to U6 line at Harras. The northern and southern terminuses have not been determined yet. U11 Olympia-Einkaufszentrum - Westfriedhof - Central Station - Sendlinger Tor - Innsbrucker Ring A fourth booster line, U11, would share U1 from Olympia-Einkaufszentrum to Kolumbusplatz before switching to U2 line for the continued journey to Innsbrucker Ring station. Which terminus station, Messestadt Ost in the east or Neuperlach in the south, has not been determined. U12 Harthof - Theresienstraße - Hauptbahnhof - Theresienwiese - Implerstraße - Harras A fifth booster line, U12, would share with U2 between Harthof and Theresienstraße then switch to U9 south of Theresienstraße where it shares with U9 toward Harras. Renovations and upgrades of subway stations Platform Screen Doors Munich U-Bahn system is experiencing the increasingly frequency of passengers and objects falling from the platforms into the tracks lately, disrupting the service. The latest statistics showed for 2018 215 passengers falling in and being rescued, 22 seriously injured or dead, 115 objects, and 10 animals. MVG plans the pilot project at Olympiazentrum up to two years to test the feasibility and to resolve any issues before deploying system-wide technology. If these test at Olympiazentrum stations are successful, platform screen doors will be implemented in the high-frequency stations first then gradually and successively added to more stations when they are being renovated. The anticipated completion date of system-wide installation is 2028. Fröttmaning station (U6, North) — Completed The new Allianz Arena (football stadium) required a larger capacity for the nearby U-Bahn station. A new second platform was built and the whole station was moved north by roughly . For easy access to the platform, a second pedestrian bridge was built at the north end of the platforms. Marienplatz