Going
catch the metro A at the near station
Vittorio Emanuele(Battistini direction), get off at Lepanto, at 50 meters you will find the bus 301
stop
(Grottarossa direction), get off
here.
The entrances are on the other side of the street (look the
map of Stadio Olimpico).
Or:
catch the bus 910 at the
square
in front of Termini Station and get off at the
terminus,
then overstep the tennis courts, cross the bridge and you are there (look the
map of Stadio Olimpico).