London Underground - 24 Hour Time-lapse Animation

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Through analyzing 25,440 data points collected from 265 stations, this animation visualizes commuting patterns in the London Underground over two weeks in 2010.

Each colored dot is one underground station. The dots pulsate larger and smaller in mathematical proportion to the number of riders passing through. Big dots for busy stations. Small dots for less busy stations.

Dot color represents the lines serving each station. White dots are for stations where three or more lines intersect. Each dot pulsates twice in a day: Once during the morning commute; and again during the evening commute.

By syncing the audio volume with the density of riders and the background color with the time of day, the animation becomes visually legible. The audio volume rises and falls to mirror the growth and contraction of each colored dot during the daily commute.