Recently, a number of four or six-lane freeways have been widened to account for the increasing traffic demand. However, there is no specific study about capacity models of multi-lane freeways with more than eight lanes. Based on the data from Shen-Shan Segment of Jing-Ha Freeway, this paper aimed to develop different capacity models of 12-lane freeways for two different cross section layout modes, including, the integral mode and the passenger-freight separated mode. VISSIM simulation studies were conducted to obtain different speed-flow curves, based on which, the calibrated parameters were developed for different capacity models. The research results can help transportation professionals determine proper cross section layout and organizational modes in reconstruction and expansion projects of multilane freeways. They can also be used to calculate capacities of 12-lane freeways.


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    Title :

    Development of Capacity Models for Twelve-Lane Freeways in China


    Contributors:
    Wei, Xueyan (author) / Xu, Chengcheng (author) / Wei, Jun (author) / Wang, Wei (author) / Tian, Yuan (author)

    Conference:

    Fifth International Conference on Transportation Engineering ; 2015 ; Dailan, China


    Published in:

    ICTE 2015 ; 1108-1118


    Publication date :

    2015-09-25




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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