The lower Sihl valley has an excellent local transportation network: Zimmerberg bus line (Zimmerbergbus) and Sihltal Zürich Uetliberg Bahn (SZU) are providing the local public transportation in the Sihl valley, in addition to the Luftseilbahn Adliswil-Felsenegg (LAF for short or commonly Felseneggbahn), an aerial tramway connecting Adliswil and Felsenegg. Sihlbrugg train station is a nodal point of the SBB-CFF-FFS-Gotthardbahn and Sihltal Zürich Uetliberg Bahn (SZU) railways. Sihlbrugg Dorf (Sihlwald) is the terminal station of the Zürich S-Bahn on the line S4 (SZU) and a stop on the line S21 to Zürich Hauptbahnhof (VBZ). Nearby the city of Zürich, additional bus lines are provided by the Verkehrsbetriebe Zürich. It is also important as terminal of the A4 motorway between Zug and the canton of Zürich, and of five regional streets in the Sihltal to Zürich, Zug, Langnau am Albis and to Wädenswil (Hirzel Pass).