The city is located on the main motorway linking St. Margrethen - Rorschach - St. Gallen - Winterthur - Zurich and Romanshorn - St. Gallen - Rapperswil - Lucerne and is known as the gate to the Appenzell region.
Si läit un den Haaptverkéiersstrecken St. Margrethen - Rorschach - St. Gallen - Winterthur - Zürich a Romanshorn - St. Gallen - Rapperswil - Luzern an ass d'Paart fir an d'Appenzellerland.