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BTS Home > Publications > Pocket Guide to Transportation > 2007
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4 - Mobility

The U.S. transportation network makes possible a high degree of personal mobility and freight activity. The data in this section show growth in travel and freight shipments over time. Factors infl uencing this growth include, among others: vehicle availability, travel costs, population, congestion, the economy, and consumer income.

 

 

 

 

 

 

 

 
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