00802587

Component

https://doi.org/10.3141/1710-11

http://scholar.google.com....+Li&publication_year=2000

A lane-assignment model in a vehicle-based microscopic simulation system describes a vehicle's position during its journey on an urban street network. In other words, it is used to estimate an individual vehicle's location, speed, routing plan, lane-choice plan, lane-changing plan, and car-following plan from its entrance to a street network until the end of the trip. From the authors' observations and study of lane-choice and lane-changing behavior, it is concluded that a vehicle is assigned to a lane in a logical manner depending on the relationship between its route-planned motivation and traffic conditions in the current lane and other lanes. A lane-assignment model consists of three components: lane choice, car following, and lane changing. The lane-changing component is composed of three submodels--a decision model, a lane-changing condition model, and a lane-changing maneuver model. Rules are discussed for lane-choice and lane-changing modeling based on videotaped observations over four-lane urban streets. Then a heuristic structure of a lane-vehicle-assignment model is proposed, which exposes the inherent relationship between vehicle-based travel behavior and lane-vehicle assignment on an urban street network. With the addition of a lane-assignment model derived from observed data, a simulation may be developed to correctly represent travel behavior and dynamic traffic assignment at the lane level and provide a more effective tool for design and evaluation of the performance of strategies for traffic control, traveler information, and congestion alleviation.

This paper appears in Transportation Research Record No. 1710, Traffic Flow Theory and Highway Capacity 2000.

English

p. 96-103

2000

Transportation Research Record

0309066891

Figures (9) ; References (6)

Car following; Dynamic traffic assignment; Highway traffic control; Lane changing; Microscopic traffic flow; Simulation; Travel behavior; Urban highways; Videotapes

Lane assignment; Lane choice

Highways; Operations and Traffic Management; I71: Traffic Theory; I73: Traffic Control

TRIS, TRB, ATRI

Nov 29 2000 12:00AM

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