FROM TERMINI RAILWAY STATION:
from via Giolitti take Via Gioberti, go on until the church of S.ta Maria Maggiore. Then take Via Merulana and after 500 meters you'll find Via Poliziano on your right.
FROM FIUMICINO AIRPORT:
take the train till Termini Railway station, then follow the instructions above.
FROM CIAMPINO AIRPORT:
Take the bus to Anagnina and from there take the metro (A Line) till the stop Vittorio Emanuele. Take Via dello Statuto and then turn left on Via Merulana. After 500 meters you'll find on your right Via Poliziano.