The Ebb and Flow of a City in Motion

NYC Riders is a striking animated map that visualizes the 4.3 million NYC subway trips taken on an average Wednesday in September 2025. The map uses scaled circles to show trains moving on the network based on the MTA timetable. The size of the circles is determined by how many (estimated) passengers are on each train.As you watch the animation unfold, the daily rhythm of the city becomes