The Company EAV Bus operates a shuttle service from the city center of Naples to the Vesuvius. Buses leave from the terminal of Piazza Piedigrotta and cross different parts of the city reaching the Vesuvius after 1 hour and 30 minutes.
The buses to the Vesuvius, from Naples, depart at 09:00 and at 10:00.
To go back to Naples from the terminal Vesuvius departures are at 12:45 and 14:15, arriving in Naples, Piazza Piedigrotta about 1 hour and 30.
For additional info about the time schedule and the stops please see Naples-Vesuvius