00621701

Component

http://onlinepubs.trb.org...trr/1991/1320/1320-026.pdf

https://scholar.google.co...mail&publication_year=1991

The development of digital computer simulation models representing vehicle interactions at highway intersections controlled by two- and four-way stop control is described. Driver actions at the stop lines are made on the basis of gap acceptance, and the appropriate distribution of gap acceptance may be selected on the basis of site experience. Demand flows on the approach highways may also be selected according to traffic flow conditions that vary from a uniform flow to a peak-hour flow with pronounced variation between maximum and minimum flow levels. Output from the simulation models is in the form of queue lengths and average and total delays. Observations of lag and gap acceptance and vehicle headway distributions are used in the simulation models to evaluate the relative advantages of two- and four-way stop control in terms of average delay. For the traffic flow conditions simulated, values of total practical intersection capacity occurred when the total inflow was approximately 1,400 veh/hr for a two-way stop intersection with one-lane approaches and 1,650 veh/hr for a four-way stop intersection with one-lane approaches.

This paper appears in Transportation Research Record No. 1320, Freeway Operations, Highway Capacity, and Traffic Flow 1991. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01407170

p. 227-233

1991

Transportation Research Record

0309051533

Figures (5) ; References (3) ; Tables (1)

Gap acceptance; Headways; Highway capacity; Multiway stop signs; Queuing; Stop signs; Traffic delays; Traffic flow; Traffic simulation; Unsignalized intersections

Two-way stop control

Highways; Operations and Traffic Management; I71: Traffic Theory

TRIS, TRB, ATRI

Apr 30 1992 12:00AM

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