Browse Research and Publications - Illinois Center for Transporation by Subject "annual average daily traffic"

  • Hall, James P.; Sung, Chung-Hsien; Morgan, William (Illinois Center for Transportation/Illinois Department of Transportation, 2014-04)
    The Illinois Department of Transportation (IDOT) has requested a waiver from the Federal Highway Administration (FHWA) to allow IDOT to implement a 24-hour traffic-count program on the non-state HPMS routes, as opposed to ...

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