Transportation air quality
Subtitle: selected facts and figures
By: U.S. Department of Transportation, Federal Highway Administration.
Contributors: United States. Federal Highway Administration.
Publisher: U.S. Dept. of Transportation, Federal Highway Administration
Published: 1999
Place of publication: Washington, D.C
Language: eng
Number of pages: 44
Subjects: Air -- Pollution -- Economic aspects -- United States -- Statistics.; Air -- Pollution -- Standards -- United States -- Statistics.; Transportation -- United States -- Statistics.
Notes: Includes bibliographical references (p. 41-44).
Cover title.
"January 1999."
"Publication no. FHWA-PD-99-015"--Back cover.