On September 28, 2009 MassDOT/EOT announced the 2009 MassDOT Developers Challenge. The Challenge inspired developers to create both applications and data visualizations, to submit them to MassDOT, and to release them to the public. The two top submissions received a CharlieCard valid for one-year of free travel on the MBTA, in addition to recognition at the MassDOT Developers Conference.
The Visualization Challenge called on developers to use data released through the MassDOT Developers site to show "A day in the life of the MBTA." The data released included all CharlieCard "taps" on average weekdays in the summer and fall.
The following visualizations were submitted to the MassDOT Developers Challenge:






