It is a time-based integrated ticket that you can use in the Municipality of Rome on different vehicles, with validity limited to 24 hours.
Special links are excluded:
Cotral Rome Tiburtina / Termini-Fiumicino Airport;
Trenitalia "No stop" Rome Termini-Fiumicino Airport.
Where to use them: on buses, trams, trolleybuses and on the Rome underground lines; on the Cotral buses (urban route); on the regional railways: Trenitalia only 2nd class, Rome-Lido, Rome-Giardinetti and Rome-Viterbo (urban route).