Plan your route here:
Coming from Stuttgart via the A81 / A98, exit to Bodman ‘Stockach West’ / Ludwigshafen ‘Stockach East’.
From Ulm or Ravensburg take the B31 and B34.
From Nürnberg and Munich via the A96, Kempten, Lindau, then continue on the main road B31 and B34.
Take the tunnel in Bregenz and then you reach the northern shore of Lake Constance. From Innsbruck the A12 runs past the Principality of Liechtenstein to the Lake Constance.
From Switzerland, take the A3 from the direction Basel and from Zürich, take the A4 to Schaffhausen.