By car
From France through the Frejus Tunnel, Ventimiglia or Tenda Pass or via Mt Blanc tunnel and Val D'Aosta;
from France, the Montgenèvre road RN 94/ SS 24 from Briançon to Cesana Torinese in Italy is very good above all on the italian side, always open during winter and free.
From Switzerland through Sempione, or St Bernhard, Saint Gothard and other minor passes
From the other parts of Italy by A4 Turin - Trieste, A21 Turin - Piacenza or A6 Turin - Savona highways
By plane
Piedmont is well served by airports.
Caselle Airport TRN (http://www.aeroportoditor...) in Turin is the main airport of Piedmont. It has regular flights with main European hubs and Italian cities operated by major airlines as well as low fares companies.
Milan has three airports:
The international hub is Malpensa MXP (http://www.sea-aeroportim...) which is the top Italian airport in terms of international traffic. It has direct connections with railway and highway networks. The airport is connected to Milan by the Milano-Varese highway as well by a dedicated train called "Malpensa Express". It is also connected to Linate Airport by a scheduled bus service.
Linate
Airport LIN (http://www.sea-aeroportim...) is the closest airport to Milanâs city centre and is well served by domestic and short-haul international carriers. It has easy access to the local highway network and is connected to Malpensa Airport by a scheduled bus service.Orio al Serio
BGY (http://www.sacbo.it) Phone number: +39035326323 is located nearer to Bergamo and serves the low-cost traffic of Milan.To the south is Cristoforo Colombo Airport GOA (http://www.aeroportodigen...) in Genoa which is served by domestic and short-haul international carriers.
Another option is Levaldigi Airport CUF (http://web.aeroporto.cuneo.it) in Cuneo, but it has a very limited number of flights and very few connections other than private car.