Stand Clear: The Most Used Subways
Once and awhile, one stumbles across an interesting and effective visualization. Visualizations can often be too simple or too complex. Finding a happy medium can be difficult, but I think this graphic achieves that goal. This subway graphic is data-rich and displays multiple data dimensions. While the chart visually displays track length and ridership, a small geographic map details the track arrangement. A small table on the right displays information best shown in table form. This visualization works because it successfully plots two variables on the same axis. The viewer is easily able to compare and relate ridership and track length to infer the level of congestion when riding the subway.
Stand Clear: The Most Used Subway Systems in the United States and Around the World
Good Magazine Issue 15