On the Road

In the Air

On (and Under) the Water

On the Rails

World's Largest Subway Systems

Two Centuries of Railroading

Ten Famous Trains

Nano: World's Cheapest Car

The U.S. Highway System

Numbering the Highway System

Most Popular Car Colors, 2003–2006

Most Popular International Car Colors, 2003–2004

Most Popular International Car Colors, 2005–2006

Top-Selling Vehicles in the U.S., 2005

Most Expensive Cars, 2007

Most Expensive Cars, 2006

Least and Most Polluting Cars, 2008

Least and Most Polluting Cars, 2007

Top 20 Selling Passenger Cars in the U.S., 1999–2001

Speed Records: Cars, Trains, Bikes, Boats, and More

Top-Selling Vehicles in the U.S., 2006

Travel and Transportation
  Transportation and Aviation Aviation

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