Collegno to Treviglio trains might be a good value for money solution: travelling in Italy by train is often rather cheap and faster than taking a bus indeed Trains leave from Collegno and arrive at Treviglio every 60 minutes on average. If travelling with Trenitalia, you need to know the Collegno to Treviglio train schedule: the first train leaves at 05:00, while the last ride is at 21:00. A Collegno to Treviglio train cost about 14.15 €. But how long is the train ride from Collegno to Treviglio? Your journey takes about 4 hours on average.