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Macroscopic Analysis of Traffic Flow Behaviour on Multilane Highways Under Heterogeneous Traffic Conditions
Traffic flow behaviour is a complex phenomenon and needs better understanding and concepts for its analysis. The highways in India normally operate under mixed traffic conditions, and the driving behaviour varies from one place to another. Macroscopic models which are quite suitable for describing the behaviour of entire stream and further accepted worldwide for estimation of capacity. The present study demonstrates the dynamic nature of PCU factors on two-way two-lane highways under highly heterogeneous traffic composition. Dynamic PCU’s were estimated based on speed and size of vehicle type in the traffic stream with respect to a standard passenger car. The PCU values obtained in this study were compared with the existing static PCU’s to get an overview of how the PCU varies when dynamics is involved. The present study also analyses the macroscopic traffic flow behaviour such as capacity and speed flow modelling on multilane highways. The VISSIM model parameters those were sensitive to capacity are calibrated based on the traffic composition observed in field by taking measure of effectiveness as traffic volume, speed and capacity. Validation of model was also performed by the same methodology with the help of VISSIM model on four-lane divided highways.
Macroscopic Analysis of Traffic Flow Behaviour on Multilane Highways Under Heterogeneous Traffic Conditions
Traffic flow behaviour is a complex phenomenon and needs better understanding and concepts for its analysis. The highways in India normally operate under mixed traffic conditions, and the driving behaviour varies from one place to another. Macroscopic models which are quite suitable for describing the behaviour of entire stream and further accepted worldwide for estimation of capacity. The present study demonstrates the dynamic nature of PCU factors on two-way two-lane highways under highly heterogeneous traffic composition. Dynamic PCU’s were estimated based on speed and size of vehicle type in the traffic stream with respect to a standard passenger car. The PCU values obtained in this study were compared with the existing static PCU’s to get an overview of how the PCU varies when dynamics is involved. The present study also analyses the macroscopic traffic flow behaviour such as capacity and speed flow modelling on multilane highways. The VISSIM model parameters those were sensitive to capacity are calibrated based on the traffic composition observed in field by taking measure of effectiveness as traffic volume, speed and capacity. Validation of model was also performed by the same methodology with the help of VISSIM model on four-lane divided highways.
Macroscopic Analysis of Traffic Flow Behaviour on Multilane Highways Under Heterogeneous Traffic Conditions
Lecture Notes in Civil Engineering
Laishram, Boeing (editor) / Tawalare, Abhay (editor) / Anusha, Kanchumurty (author) / Yugendar, Poojari (author) / Santhakumar, S. Moses (author)
International Conference on Advances in Civil Engineering ; 2020
2021-12-15
11 pages
Article/Chapter (Book)
Electronic Resource
English
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