The schedule through the first 10 days of May 2012 includes:
- May 1: Willimantic, CT to Plainfield, CT and on to Worcester, MA; Worcester, MA to Pawtucket, RI – Valley Falls Yard (Providence & Worcester)
- May 2: Pawtucket, RI to Worcester, MA; Worcester, MA to Barber, MA (Providence & Worcester); Barber, MA to Ayer, MA – Hill Yard, via Clinton, MA (Pan Am Southern / Handoff to the Mass Bay Commuter Railroad)
- May 3: Ayer, MA to Boston, MA (via Littleton, MA [CPF-Willows]; Acton, MA and Somerville, MA); Boston, MA to Newburyport, MA and return (Mass Bay Commuter Railroad)
- May 4: Boston, MA to Haverhill, MA (via Wilmington, MA and Lowell Jct.) (Mass Bay Commuter Railroad / Handoff to Pan Am Railways); Haverhill, MA to Portland, ME (via Exeter, NH)
- May 5-13: DOTX 216 will be receiving preventative maintenance and will not be testing
