STOPPED DELAYS FOR DIFFERENT VEHICLE TYPES AT SIGNALIZED INTERSECTIONS IN MIXED TRAFFIC CONDITIONS
Stopped Delays for Different Vehicle Types
DOI:
https://doi.org/10.55766/sujst-2024-04-e03733Keywords:
Mixed Traffic Conditions, OSM tracker, Signalized Intersections, Stopped delay, Vehicle TypesAbstract
Vehicular delays are unavoidable while assessing the performance of signalized intersections, but measuring these vehicular delays in the field is a complex process in mixed traffic conditions. Different vehicle types have different dynamic and physical characteristics. Even when the specific vehicle category is taken there are many variations within that vehicle category. Therefore, the delay experienced by each vehicle category is different from other vehicle category. The aim of the present study is to evaluate the stopped delays for different vehicle category at signalized intersections and to develop vehicle category wise stopped delay model in mixed traffic scenario. For this purpose, data was collected from five locations. The study results showed that the stopped delay experienced by the two-wheelers and three-wheelers s is less compare to LCVs and HCVs. Also, the obtained stopped delays were compared with the Indian Highway Capacity Manual (Indo HCM, 2017). The comparison results showed that the Indo HCM (2017) stopped delay model is either over estimating or underestimating the stopped delay values. The maximum and minimum Relative Percentage Error (RPE) between observed and Indo HCM (2017) estimated stopped delays are 27.67% and 7.40% respectively.
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