VisitCrossing the viaduct How do you get across the Viaduct?The Millau Viaduct is a road structure of the A75, which you cross automatically when travelling on the motorway between Clermont-Ferrand and Béziers. Besides the convenience of the structure for crossing the valley, taking the Millau Viaduct is also an opportunity to appreciate its beauty! Motorway entrances near the Millau Viaduct North of the viaduct: join the A75 at Entrance 45, in the direction of Montpellier. South of the viaduct: join the A75 at Entrance 46, in the direction of Clermont-Ferrand. Access from Millau city centre Crossing in the direction of Montpellier Follow signs to Cahors / Rodez / Lacs du Lévézou. After 5.3 km, take the A75 motorway towards Montpellier/Béziers (toll gate before the viaduct). Crossing in the direction of Clermont-Ferrand Take the D 809 towards Montpellier. After 13 km, near Cavalerie, take the A75 motorway towards Clermont-Ferrand (toll gate after the viaduct).