Browse Research and Publications - Illinois Center for Transporation by Subject "Noise Barrier Approvals"

  • El-Rayes, Khaled; Liu, Liang; Ignacio, Ernest-John (Illinois Center for Transportation/Illinois Department of Transportation, 2018-11)
    Current Illinois Department of Transportation (IDOT) policies specify that noise barriers can be constructed of earth, masonry, concrete, and composite materials. These IDOT policies specify that alternative noise barriers ...

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