Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/61378
Title: Modeling the impacts of mandatory and discretionary lane-changing maneuvers
Authors: Pan, TL
Lam, WHK 
Sumalee, A 
Zhong, RX
Keywords: Lane specific fundamental diagram
Mandatory lane changing demand estimation
Mesoscopic multilane traffic model
Minimum gap acceptance criterion
Issue Date: 2016
Publisher: Pergamon Press
Source: Transportation research. Part C, Emerging technologies, 2016, v. 68, p. 403-424 How to cite?
Journal: Transportation research. Part C, Emerging technologies 
Abstract: In this paper, a novel mesoscopic multilane model is proposed to enable simultaneous simulation of mandatory and discretionary lane-changing behaviors to realistically capture multilane traffic dynamics. The model considers lane specific fundamental diagrams to simulate dynamic heterogeneous lane flow distributions on expressways. Moreover, different priority levels are identified according to different lane-changing motivations and the corresponding levels of urgency. Then, an algorithm is proposed to estimate the dynamic mandatory and discretionary lane-changing demands. Finally, the lane flow propagation is defined by the reaction law of the demand-supply functions, which can be regarded as an extension of the Incremental-Transfer and/or Priority Incremental-Transfer principles. The proposed mesoscopic multilane cell transmission model is calibrated and validated on a complex weaving section of the State Route 241 freeway in Orange County, California, showing both the positive and negative impact of lane changing maneuvers, e.g., balancing effect and capacity drop, respectively. Moreover, the empirical study verifies that the model requires no additional data other than the cell transmission model does. Thus, the proposed model can be deployed as a simple simulation tool for accessing dynamic mesoscopic multilane traffic state from data available to most management centers, and also the potential application in predicting the impact of traffic incident or lane control strategy.
URI: http://hdl.handle.net/10397/61378
ISSN: 0968-090X
DOI: 10.1016/j.trc.2016.05.002
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