ajánlom az ATM honlapját:)

(ahol az olasz szöveg egyértelműbben fogalmaz)

Standard Ticket

Price: € 1.50
Validity: 90 minutes after stamping. Valid for a single journey on the underground or rail network, including the urban rail lines of Trenord and the 'Passante Ferroviario' (Urban Railway Network).

Validità: 90 minuti dalla convalida; consente un unico accesso in metropolitana, ferrovie e Passante Ferroviario