Stadio Olimpico (Roma) parking?

The most straightforward way of getting to the stadium is on the cities accomplished metro system. From the City Centre the best way would be to take the A (Orange) Metro Line north until you get to Flaminio Station. From this station, you can grab a tram and ride it to Piazza Mancini. From here you will be able to see the stadium and simply stroll across the bridge and take your seat!