From Bern/Basel:
Direction City - auf Hardbrücke - Direction Schaffhauserplatz - Direction Witikon

From St. Gallen, Schaffhausen, Airport:
Direction Irchel/Universitatsspital - Rigiplatz - Direction Witikon

From Chur:
Direction City/Lake - Bellevue - ca. 500m along the lake - Direction Kreuzplatz - Direction Witikon