Browse Research and Publications - Illinois Center for Transportation by Subject "Safety Performance Functions (SPF), Visual Basic for Applications (VBA)"

  • Robert A. Tegge; Jang-Hyeon Jo; Ouyang, Yanfeng (2010-03)
    This report explains the procedure involved in developing Safety Performance Functions (SPF) for the road segments and intersections in the state of Illinois, under the jurisdiction of the Illinois Department of Transportation. ...


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