This report summarizes the results of case studies relating to the following six potential applications of highway-highway grade separations and interchanges: (1) Freeway vs. Arterial; (2) Freeway vs. Collector; (3) Freeway vs. Local Street; (4) Expressway vs. Arterial; (5) Expressway vs. Local Street, and (6) Arterial vs. Arterial. Cases in both urban and rural areas were examined, with primary emphasis on economic justification of an interchange or a grade separation.

  • Supplemental Notes:
    • Prepared in cooperation with Illinois State Dept. of Transportation, Springfield. See also PB-170 366.
  • Corporate Authors:

    Northwestern University, Evanston

    Department of Civil and Environmental Engineering, 2145 Sheridan Road
    Evanston, IL  United States  60208

    Federal Highway Administration

    1200 New Jersey Avenue, SE
    Washington, DC  United States  20590

    Illinois Department of Transportation

    126 East Ash Street
    Springfield, IL  United States  62706
  • Authors:
    • Berry, D S
    • Satterly Jr, G T
    • Shortreed, J H
    • Shuldiner, P W
    • Wegmann, F J
  • Publication Date: 1974-12

Media Info

  • Pagination: 43 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00091555
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: Final Rpt.
  • Contract Numbers: IHR-55
  • Files: NTIS, TRIS, USDOT
  • Created Date: Aug 13 1975 12:00AM