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Transportation Air Quality Facts and Figures January 2006

Transportation Air Quality Selected Facts and Figures January 2006U.S. Department of Transportation
Federal Highway Administration
Office of Natural and Human Environment
400 7th Street, S.W., Room 3240
Washington, D.C. 20590
(202)366-6724

Publication No. FHWA-HEP-05-045
HEP/12-05(8M)E

Table of Contents

FHWA
U.S. Department of Transportation
Federal Highway Administration

Updated: 03/01/2012
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