The closest train station to the festival is Ipswich Station, visit the TransLink website here for the train timetables and info.
Take the TRAIN to Ipswich
See here for train timetable.
Then take the 515 Amberley Bus from Ipswich Station (departs Bell Street Interchange) to Coopers Road and connect with the CMC Shuttle Service to the Festival Site.
The 515 Amberley Bus stops near several Ipswich Hotels.