Citi Bike Wind Map

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Each trip is a straight line from start to end station; its direction is added to the ~400 m hexagons at both ends, then smoothed into a flow field that the streaks follow. 15-minute steps on an average day; areas with fewer than 4 trips an hour are left out. September 2026, Labor Day excluded. Data: Citi Bike System Data · #30DayMapChallenge