This is an old - not maintained - article of the AEIOU.
In the Austria-Forum you find an updated version of this article in the new AEIOU.
Schnellbahn, Wiener, local railway lines operated by Austrian Federal Railways at regular intervals, fares set jointly with Vienna´ public transport system since 1962; initially limited to the electrified railway line Meidling- Verbindungsbahn- Floridsdorf, extended to Wiener Neustadt in the south; northern suburban lines: S 1 to Gänserndorf, S 3 to Stockerau (and Hollabrunn), since 1983 S 2 to Wolkersdorf (and Mistelbach). Other lines: S 7 (formerly Preßburg Railway) to Vienna Airport and to Wolfsthal, S 40 to Tulln, S 50 to Neulengbach, S 60 to Neusiedl am See, S 80 to Stadlau; since 1987 S 45, replacing the suburban line of the Vienna Stadtbahn. Austrian Federal Railways also operate railway services similar to the Vienna Schnellbahn in the Linz and Innsbruck regions.
Literature: A. Horn, Die Wiener Schnellbahn und ihre Fahrzeuge, 1976.