 The commune is at the French end of the Fréjus Road Tunnel, one of the major transalpine road crossings along with the Mont Blanc Tunnel, linking France and Italy.Out of the tunnel, the A43 autoroute begins and which leads to Chambéry and Lyon, also passes on the heights of the commune (in "Charmaix").In addition, the D 1006 (former Route Nationale 6), an important route coming from Chambéry, also passes through Modane before continuing up to the Col du Mont-Cenis and the Italian border.