| 2010/09/06 | — | Add commuter rail. Add checkboxes for clarity. |
| 2010/09/04 | — | Update to link correctly into new MBTA website; updates to Silver Line and a few station names. |
| 2006/07/25 | — | Add toggle buttons for all lines. |
| 2006/07/25 | — | Debug to work on Internet Explorer and Safari in addition to Firefox. |
| 2006/07/24 | — | Upgrade to Google Maps API 2. Add address search. |
| 2006/07/24 | — | Fix Green Line D and Red Line station and track coordinates, thanks to James C. Reilly. |
| 2006/03/06 | — | Add automatic convertion to GPX. |
| 2005/10/12 | — | Add mission Charles/MGH station, thanks to Sanghamitra Sen. |
| 2005/10/03 | — | Follow some train tracks. |
| 2005/09/22 | — | Initial version. |