文档介绍：RITA Bureau of Transportation Statistics
Pocket
Guide to
Transportation
2010
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January 2010
RITA Bureau of Transportation Statistics
Pocket
Guide to
Transportation
2010
. Department of
Transportation
Ray LaHood
Secretary
John D. Porcari
Deputy Secretary
Acknowledgments
Research and Produced under the
Innovative direction of:
Technology Deborah Johnson
Administration Assistant Director for
Transportation Analysis
Peter H. Appel
Administrator Project Manager
Sean Jahanmir
Robert L. Bertini, .
Deputy Administrator Contributors
David Chesser, .
Vincent Fang, .
Bureau of Chester Ford
Transportation Xiaoli Han, .
Statistics Getachew Mekonnen
Steven D. Dillingham, . Adam Mengesha
Director William Moore
Steven K. Smith, . Long Nguyen
Deputy Director Hilary Ross
Alpha Glass Wingfield
Jie Zhang
Contents
Transportation Infrastructure and Use 2
Safety 5
Security 11
Mobility and Livability 17
Economy 32
Environmental Sustainability 44
Glossary 48
merica’s transportation system continues to change
Aalong with the population, work force, and economy.
The following table puts those changes in perspective:
Context 1990 2008
Resident population (thousands) 248,791 304,060
Total area (thousand sq. mi.) 3,718 3,794 (2000)a
Total civilian labor force (thousands) 125,840 154,287
Real gross domestic productb (trillions) $ $
Median household eb,c $41,465 $46,370
Average household eb,c $44,160 $58,594
Aver