Traffic flow on a given link in an urban road network can be divided into several traffic streams, depending on their turning manoeuvres when entering and leaving the link. These traffic streams may experience various travel times due to multiple reasons, such as fluctuations in traffic demand/supply and stochastic arrivals/departures at signalised intersections. However, the current travel time estimation methods take traffic flow as a whole and produce a single estimation value. This approach can produce large errors. Furthermore, given the travel time information of each traffic stream, the results of dynamic traffic assignment models can be made much more accurate and the effect of signal controls improved. In this paper, a comparison analysis is conducted to verify the significant difference in link travel times of different traffic streams. Then, link travel time is redefined in consideration of traffic stream directions. This process is also successful in filtering noise, as shown in the numerical experiments. In addition, existing estimation methods cannot reflect real values or fluctuations of travel times in sampling intervals without any valid observational data. To solve this problem, a regression model is built and integrated into the travel time estimation model. Error analysis of several links on two different days demonstrates the improvements made by the model.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Travel time estimation method for urban road based on traffic stream directions


    Contributors:
    Wang, Dianhai (author) / Fu, Fengjie (author) / Luo, Xiaoqin (author) / Jin, Sheng (author) / Ma, Dongfang (author)

    Published in:

    Publication date :

    2016-07-02


    Size :

    25 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




    Travel time estimation in urban road networks

    Anderson, J. / Bell, M. | IEEE | 1997


    Travel time estimation based on urban traffic surveillance data

    Wenming LI / Fang LIU / Peng LYU et al. | DOAJ | 2021

    Free access

    Full-road-network road section travel time estimation method based on urban road checkpoint data

    JI YANJIE / ZHANG YUHUI / YU JIAJIE et al. | European Patent Office | 2020

    Free access

    Travel Demand Estimation in Urban Road Networks as Inverse Traffic Assignment Problem

    Krylatov A. / Raevskaya A. / Zakharov V. | DOAJ | 2021

    Free access

    Urban link travel time estimation using traffic states‐based data fusion

    Zhu, Lin / Guo, Fangce / Polak, John W. et al. | Wiley | 2018

    Free access