10 Busiest US Container Ports Visualized

Visualizations :  Container Ports By Size

U.S. International Container Trades by Port, 2001-2006 Visualized (Thousand TEU’s)
Source: Port Import/Export Reporting System (PIERS). Detailed data available at www.piers.com.

More Visualizations (that you can play with!) over at IBM’s Many Eyes Project: