Travel by bus in Italy lets you reach destinations which, due to Italy’s geography, are not connected to the rail network. Many bus providers offer low cost bus tickets, so that choosing to travel by bus is also a penny-wise choice. Thanks to the liberalizations of the transportation market, indeed, many new low cost bus carrier are connecting Europe, and also Italy, at very cheap prices.
Many bus companies travel in Italy, like Baltour, which deals with national routes like Rome - Siena or Milan - Naples, and Eurolines and Flixbus, european groups that connect Italy to many european destination, like Barcelona or Paris. Unlike the Italian railway service, there isn’t a national bus company in Italy.