We are inviting IDEALS users, both people looking for materials in IDEALS and those who want to deposit their work, to give us feedback on improving this service through an interview. Participants will receive a $20 VISA gift card. Please sign up via webform.

Browse Dept. of Civil and Environmental Engineering by Author "Jang-Hyeon Jo"

  • Jang-Hyeon Jo; Jong-Sung Lee; Ouyang, Yanfeng; Zongzhi Li (2009-09)
    This report introduces the development process of an Internet-based, GIS-compatible software tool for Illinois local road crash analysis. This state-of-the-art tool is capable of performing crash information query, ...


    application/pdfPDF (2MB)
  • 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. ...


    application/pdfPDF (786kB)