Highlights Game theoretic models for lane changing that incorporate conflict risk. A QRE model is used to estimate the utilities. The models developed were found to predict behaviour with reasonable accuracy. Longer acceleration lanes reduce likelihood of lane-changing conflicts. Reduction of speed limits on on-ramps reduce likelihood of lane-changing conflicts.

    Abstract The study employs a Quantal Response Equilibrium framework to model lane changing manoeuvres. Prior game theoretic studies in lane changing have pre-eminently assumed Nash equilibrium solutions with deterministic payoffs for actions. The study method involves developing expected utility models for drivers’ merge and give-way decisions. These utility models incorporate explanatory variables representing driver trajectories during a lane changing manoeuvre. The model parameters are estimated using maximum likelihood on lane changing data at a freeway on-ramp using the NGSIM dataset. Based on the estimated parameters it was concluded that longer acceleration lanes and reduction of speed limits on on-ramps could help significantly reduce likelihood of conflict. To demonstrate the robustness of the model, predictions of lane changing on an out-of-sample data were found to be reasonably accurate.


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    Title :

    Game theoretic model for lane changing: Incorporating conflict risks


    Contributors:

    Published in:

    Publication date :

    2019-02-06


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





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