The Autostrada A5 (Italian) or Autoroute A5 (French) is an Italian motorway, which connects Turin and the Aosta Valley to France, through the Mont Blanc Tunnel. Major Cities A5 passes through Ivrea, Pont-Saint-Martin, Châtillon, Aosta and Courmayeur. External links ATIVA Autostrada Torino Ivrea Valle d'Aosta S.p.A. S.A.V. Società Autostrade Valdostane S.p.A. R.A.V Raccordo Autostradale Valle d'Aosta S.p.A. A05 Transport in Piedmont Transport in Aosta Valley Transport infrastructure completed in 1961