Bus number 5. This is the quickest route up the hill from the city center. The trip takes about 10 minutes. Board the bus at the "Piazza Dante" stop in front of the train station or at the "Piazza Venezia" stop. Get off at the "Povo - Facoltà di Scienze" stop just after the blue sign for "Povo".
Bus number 13. Getting to DISI from the city center takes much more time on this bus, but it might be useful if you are in the southern area of the city. Get off at the "Povo - Piazza Manci" stop and walk down the hill to get to the department.
Bus number 16. From the northern part of the city to Povo.
Route times are displayed at every stop. The stop names are shown on bus stop placards. Tickets can be purchased at newsstands. Get them before boarding. Times and fares are available on the Trentino Trasporti website.
The taxicab stand is just outside the train station on the right as you exit. Or call Radio Taxi at 0461 930002. The cost is 10 to 15 euros.
Here's a good link for detailed driving directions.
How to reach Trento
To reach Trento you can take Strada Statale dell'Abetone e del Brennero; Autostrada del Brennero - A22 motorway (this is a toll road, phone no. +39 0461 980085); Superstrada della Valsugana (Strada Statale 47) if you are coming from Venice, and Strada Statale 45 bis (Gardesana Occidentale), if you are coming from Brescia.
Two train lines reach Trento: the Brennero line (connecting to Rome to the south, and Innsbruck and northern Europe to the north) and the Valsugana line to Venice. Timetable details on the website of Trenitalia. A local train line connects Trento with Valle di Non (Ferrovia Trento-Malé, for more information see Trentino Trasporti).
The following airports are the closest to Trento:
Trento is connected with the main airports by the A22 Brennero-Modena Motorway and by railway.
A shuttle service is available to/from the center of Milan and Malpensa and Linate airports. Buses leave every 20-30 minutes, 24 hours a day.
A shuttle service is available at Verona Valerio Catullo airport to transfer passengers to Verona railway station, every day, every 20 minutes, from 6.30 in the morning until 11.35 pm.
A shuttle service is available at Bergamo Orio al Serio airport to transfer passengers to Bergamo railway station (every day, every 15 minutes, from 6.05 to 00.15), to Milano Centrale railway station (every 20 minutes from 04.30 to 01.00), and to Brescia railway station.
A shuttle service is available at Venice Marco Polo Airport to transfer passengers to Venezia-Santa Lucia and Mestre-Venezia railways stations.