We are still in the process of deciding how/where to open source the project, stay tuned.

Hadn't seen this before but it's interesting, their 'number of weekday riders' section is similar to the way we displayed station entrances over time. Thanks for the link!

There are lots of influences from Tufte, the image you link was one of them for sure. We tried to incorporate other ideas like fully integrated text, numbers, and graphics and showing comparisons and causality. Bret Victor's work was also a big influence. If you are interested in what the design and implementation looks like and are in the Boston area there's a meet up this Thursday where we talk about building this: http://www.meetup.com/Data-Visualization-in-MetroWest-Boston...

Any chance you can record it and upload it for us who can't get there? Thanks.

We weren't able to record the talk, but there are handouts that walkthrough the design and implantation process available here: http://mbtaviz.github.io/handout.pdf. If you have more questions feel free to contact https://twitter.com/msb5014.

Most of the data is collected from the MBTA's real time data feeds that list the current positions of all of the trains. The capacity data (who's entering and exiting the stations) is collected at the turnstiles and is not part of the MBTA's public API, we were able to get this from the MBTA through their developer relations program http://www.mbta.com/rider_tools/developers/.

Hi there, yeah that looks like a bug good catch. We'll take a look at this and see if it can be fixed.