DETERMINING THE LATERAL DEPLOYMENT OF TRAFFIC ON AN APPROACH TO AN INTERSECTION

An analytic model that predicts the lateral (i.e., lane-specific) deployment of traffic on an approach to an intersection is described. The basis for this model is a variation of Wardrop's first principle: that every motorist will select a lane on an approach consistent with his or her intended turn maneuver and with any specified lane channelization so as to minimize his or her perceived travel time. The specified conditions include the approach geometry; lane channelization, if any; specification of control policy at the intersection; service rate for each turn-movement component of the traffic stream; and turn percentages of the traffic stream discharging from the approach. The model yields the proportion of the total traffic volume entering the approach that is deployed in each lane, stratified by turn movement. The model is one component of a larger analysis that predicts the capacity of an approach and, by aggregation, intersection capacity. A brief outline of this capacity model is also included. (Author)

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• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Traffic Flow Theory and Characteristics.
• Authors:
  • Lieberman, E B
• Conference:
  • 59th Annual Meeting of the Transportation Research Board
  • Location: Washington District of Columbia, United States
  • Date: 1980-1-21 to 1980-1-25
• Publication Date: 1980

Media Info

• Media Type: Print
• Features: Figures; References;
• Pagination: pp 1-5
• Monograph Title: Traffic flow theory, characteristics and capacity
• Serial:
  • Transportation Research Record
  • Issue Number: 772
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Approach lanes; Behavior; Channelized intersections; Drivers; Intersections; Traffic density; Traffic lanes; Traffic simulation; Turning traffic
• Uncontrolled Terms: Turning movements
• Old TRIS Terms: Approaches
• Subject Areas: Highways; Operations and Traffic Management; I71: Traffic Theory;

Filing Info

• Accession Number: 00334154
• Record Type: Publication
• ISBN: 0309031168
• Files: TRIS, TRB
• Created Date: Oct 28 1981 12:00AM