This program displays annual subway station passenger data from 1905 through 2004.
Use the timeline slider at the top to scroll through time.
Pan the map using the mouse. Zoom using the scrollwheel or Page Up/Down.
Mouse over stations to see hover-over data.
Double-click a station to see its passanger total graph display in the left pane.
Use the scale slider in the top right to adjust the size of the circles on the map.
Datapoint size is proportional to circle radius (not area).
Brown circles indicate a closed station.
For 1 year and 5 year change displays, green circles mean increase and red circles mean decrease.
Programmed by Mikolaj Franaszczuk.