Improved traffic signal maintenance and management
eBook, English, 2004
South Dakota Dept. of Transportation, Office of Research, Pierre, S.D., 2004
handbooks
1 online resource (x, [176] pages) : illustrations, charts, forms (some color)
1411227894
"Feb. 19, 2004."
Electronic reproduction, [Place of publication not identified], HathiTrust Digital Library, 2023