The capacity of a limited priority merge

Unsignalised intersections are the most common intersection type. They can have high cost implications for the community. A new development often has an unsignalised intersection for ingress and egress and the basis for deciding whether an upgraded intersection is needed is based on the performance of the unsignalised intersection. This paper addresses the concept of limited priority in which the major stream drivers slow and allow minor stream drivers to enter in front of them, if the average delay to the major stream vehicles is likely to be short. Similar behaviour could also be due to the minor stream drivers forcing their way into a priority stream. This behaviour leads to a more efficient performance of the merge. This paper develops the relationships to predict the capacity and the maximum delay to the major stream vehicles when drivers exhibit this limited priority behaviour. The implications of the capacity of this merge type are evaluated.

  • Availability:
  • Corporate Authors:

    Queensland University of Technology. School of Civil Engineering. Physical Infrastructure Centre

    Brisbane, Queensland   
  • Authors:
    • Troutbeck, R
  • Publication Date: 1998-12


  • English

Media Info

  • Pagination: 45p
  • Serial:
    • Issue Number: 98-4

Subject/Index Terms

Filing Info

  • Accession Number: 01396152
  • Record Type: Publication
  • Source Agency: ARRB
  • ISBN: 1864353376
  • Files: ATRI
  • Created Date: Aug 23 2012 2:30PM