prepared by Service Assessment Division, Office of Research and Analysis, Volpe National Transportation Systems Center, Research and Special Programs Administration, U.S. Department of Transportation
Date
[1997]
Series
Seeing clearly-- a series of reports on transportation and air quality
J.R. Martinez ... [and others] ; research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration
Date
[1981]
Series
Report (National Cooperative Highway Research Program); 245