Thanks to an agreement between Trenitalia and Metropark (Italy's state railway group) customers of the Eurostar Italia trains indicated in the table can - together with their train ticket - also buy tickets for parking at the stations of Rome or Naples.

Train	From	To	Departure	Arrival
9302	Roma Termini	Florence, Bologna, Milan	6.20	10.35
9426	Roma Termini	Florence, Bologna, Milan	6.30	11.00
9428	Roma Termini	Florence, Bologna, Milan	7.30	12.00
9430	Roma Termini	Florence, Bologna, Milan	8.30	13.00
9464	Roma Termini	Florence, Bologna, Milan	8.55	13.28
9432	Napoli Centrale	Rome, Florence, Bologna, Milan	7.30	14.00
9434	Napoli Centrale	Rome, Florence, Bologna, Milan	8.30	15.00
9436	Napoli Centrale	Rome, Florence, Bologna, Milan	9.30	16.00

Rome: parking situated in Piazza dei Cinquecento;
Naples: parking situated in Corso Lucci, inside the railway station

Per usufruire di questa nuova offerta di Trenitalia, basta digitare sulla tastiera presente nella colonnina di accesso al parcheggio il codice PNR riportato sul biglietto ferroviario.

The special-offer daily parking cost is € 20.00 beginning at 6:00 and ending at 01:00.
You can buy the package "train + parking" until 16:00 of the day before departure of the Eurostar train from:
where you can also change the whole packet by 4 pm of the day before departure, provided a place is available on the new train and in the parking area.
After 4 pm you are allowed to change booking only of the Eurostar train as provided for under current Legislation.