Highlights Mandatory and discretionary lane changing maneuvers are simultaneously considered. Lane-specific fundamental and minimum gap acceptance criterion. The longitudinal cumulative distribution functions of lane changing flows are calibrated and validated. Dynamical adjustment process of lane changing demand. Parsimonious representation enables simulation using conventional data available to most management centers.

    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.


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    Title :

    Modeling the impacts of mandatory and discretionary lane-changing maneuvers


    Contributors:
    Pan, T.L. (author) / Lam, William H.K. (author) / Sumalee, A. (author) / Zhong, R.X. (author)


    Publication date :

    2016-05-02


    Size :

    22 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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