Negotiations with the federal government, which usually pays 80% of infrastructure investment costs, will begin in 2020.

The Vienna Meidling - Mödling line will be quadrupled to release capacity for up to 12 additional S-Bahn trains per hour, while two new stations will be built along the route.

The S-Bahn trunk line from Floridsdorf to Meidling will be equipped with ETCS Level 2 and platforms will be extended to 220m-long, while 12 ÖBB stations in Vienna will be modernised. Floridsdorf depot will be enlarged to accommodate additional rolling stock, with capacity for up to 40 more EMUs.

An additional stabling track will be added at Aspern Nord to allow services on Line S80 via Vienna Central station to Hütteldorf to operate at 15-minute intervals. The line is already being upgraded between Hütteldorf and Meidling.

Line S45 will get a second track between Penzing and Hütteldorf and a new station at Baumgarten to allow operation at 7.5-minute intervals. A feasibility study will be carried out on extending Line S45 from Handelskai to Praterkai, providing connections to metro lines U1 and U2.

A 15 minute-interval S-Bahn service will be introduced between Vienna West and Hütteldorf.

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