I friggin’ love counting and mapping projects. Never was any good at it myself, but I do have the grad school loans to prove my enthusiasm.
This piece by Alexander Chen is a beautifully visualized schedule of the NYC subway system. Pulling data from the MTA’s public API, the graphics represent trains as they depart from one end of the city and travel along their respective routes. It’s as if you had an aerial view of the tunnels without any of the stink, bed bugs, violence, and (sadly) Mariachi bands. Learn more about the methodology from the motionographer post.