from Porta Susa train station: You can take tram 10.
from Porta Nuova train station: You can take buses 33, 58, 58/.

A link to GTT - Gruppo Torino Trasporti (Torino transportation system) can be found here.

By plane: Turin is served by the International Airport of Torino-Caselle, which is about 16 km north to the city center. If you decide to reach Turin by plane, you can then move to the city center in the following ways:

SADEM airport shuttle:

a bus shuttle leaves the airport about every 15 minutes every weekday and about every 30 minutes during the weekends (see the timetable). The bus stop is right outside the arrival terminal, on the right, and it stops at the two main stations of the city center, Torino Porta Susa and Torino Porta Nuova. Tickets are available both in the airport (cost:6.5 €) and on board (cost: 7.5 €). The run last about 45 minutes.

Train:

a train service leads from the airport to the station Dora GTT. The train station at the airport is in front of the arrival terminal. The run lasts about 19 minutes and, once at the station Dora GTT, the service Dora Express allows to reach the more central station of Torino Porta Susa.

Taxi:

several cabs are always waiting outside the arrival terminal and are available to reach the city center.

By train: the city is well-connected by a large railway network. The two main stations are Torino Porta Nuova and Torino Porta Susa.