Transportation air quality
Subtitle: selected facts and figures
By: U.S. Department of Transportation, Federal Highway Administration
Publisher: U.S. Dept. of Transportation, Federal Highway Administration
Published: 2006
Place of publication: Washington, D.C
Language: eng
Number of pages: 55
Subjects: Air; Statistics; Pollution; Economic aspects; Standards; Transportation
Notes: Cover title.

"January 2006."

"Publication no. FHWA-HEP-05-045"--Back cover.

Includes bibliographical references.