From Termini railway station:
Take the underground line A towards Anagnina. Get off at the last stop Anagnina, allowing 20 minutes for the trip. Then take bus 500 or bus 046 or the express bus line 20, getting off at the stop in front of the Science Faculty building, which is called Sogene.
From Fiumicino airport:
Take the train Rome onward, get off at Termini railway station stop and follow instructions given above. The train takes about 40 minutes and it runs every 30 minutes.
Coming from the external lane of Grande Raccordo Anulare: Take the exit 20 Romanina Università di Tor Vergata and follow signs for Facoltà di Scienze (Science Faculty). Coming from the internal lane of Grande Raccordo Anulare: Take the exit 19 motorway ROMA-NAPOLI / Università di Tor Vergata, after 150 metres turn right to Romanina, go straight on and then turn left following signs for Facoltà di Scienze (Science Faculty).