The RI public bus RIPTA R-Line stops right in front of the building. The line goes from Kennedy Plaza in Downtown Providence to Downtown Pawtucket and back. For Schedules:

R Line Schedule (Subject to updates).

The Downtown Providence Amtrak Station is a 5-8 minute drive and a close walk to Kennedy Plaza.

The Peter Pan Bus Line is blocks away.

The MBTA South Attleboro Station is a 10 minute drive, some of the MBTA trains continue to Downtown Providence.

The Providence, RI Airport PVD (actually in Warwick, RI) TF Green International is a 15 minute drive. There is a list of the private airports in the area on the site.

The Boston, MA Airport BOS Logan International is a 50 minute drive and there are numerous buses & trains to Providence.