CHRIS ZIEGLER, THE VERGE:
"Swiss-German IT firm GeOps has collaborated with the University of Freiburg on an interactive map of the world's major mass transit systems, incorporating public data feeds (like the MTA's) offered by train and bus operators to show everything moving in real time. Over 200 systems from around the globe are represented here, and it's absolutely mesmerizing to watch the colorful dots slowly amble their way across the grid.
"Of course, not all mass transit authorities offer truly real-time data — GeOps notes that much of the map is based on schedule information, though it incorporated live data where it could. Still, it's incredible to watch."
Take a look, here.