Found info on listticket:
Stadio delle Alpi in Torino
By car
* Coming from Milan, Venice (A4 motorway)
Take the Tangenziale Nord exit, follow and exit at Borgaro, then follow signs to the Stadio delle Alpi.
* Coming from France through the Mont Blanc tunnel, take the A5 motorway at Morgeux.
Take the Tangenziale Nord exit, follow and exit at Borgaro, then follow signs to the Stadio delle Alpi.
* Arriving from France via Frejus, Val di Susa (T4 Frejus motorway)
Take the Tangenziale Nord exit towards Milano/Aosta, follow and exit at Borgaro, then follow signs to the Stadio delle Alpi.- coming from France/Côte D’Azur, Savona, (A6 motorway)
Take the Tangenziale Sud exit towards Milano/Aosta, follow and exit at Borgaro, then follow signs to the Stadio delle Alpi.
* Coming from Rome, Florence, Bologna, Genoa (A21 motorway)
Take the Tangenziale Sud exit towards Milano/Aosta, follow and exit at Borgaro, then follow signs to the Stadio delle Alpi.
* Coming from the Torino-Caselle airport, travel towards city centre, take the Tangenziale Nord towards Frejus, exit at Borgaro, then follow signs to the Stadio delle Alpi.
By train
* Arriving at Torino-Porta Nuova station
Take trolley line n° 9 and get off at the Corso Grande Torino stop.
* Arriving at Porta Susa station
Take buses n° 52, 46 or 49 and get off at the Corso regina Margherita stop, change to trolley line n° 3 and get off at the Corso Grande Torino stop.
By plane
* Landing at Torino-Caselle airport
Travel towards city centre, take the Tangenziale Nord towards Frejus, exit at Borgaro, then follow signs to the Stadio delle Alpi.