HetroTraffSim: A macroscopic heterogeneous traffic flow simulator for road bottlenecks

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dc.contributor.authorZeb, Ali
dc.contributor.authorKhattak, Khurram S.
dc.contributor.authorRehmat Ullah, Muhammad
dc.contributor.authorKhan, Zawar H.
dc.contributor.authorGulliver, Thomas Aaron
dc.date.accessioned2023-10-07T19:05:04Z
dc.date.available2023-10-07T19:05:04Z
dc.date.copyright2023en_US
dc.date.issued2023
dc.description.abstractSmart mobility is crucial for future smart cities. Traffic simulation software (TSS) is an important tool for efficient planning and management of road networks to achieve this goal. Many TSS tools have been developed for both microscopic and macroscopic homogenous traffic flow. However, only two (SUMO and HetroSim) are applicable to heterogeneous traffic. In this paper, HetroTraffSim is proposed to simulate macroscopic heterogeneous traffic flows at road bottlenecks. It is developed using the Unity3D engine and is based on a second-order traffic flow model. It is evaluated for a 360 m road segment on University Road, Peshawar, Pakistan. This segment contains a 78.5 m bottleneck which causes traffic congestion. This bottleneck is due to the construction of a pedestrian overhead bridge which reduces the three-lane road to two lanes. HetroTraffSim provides normalized traffic velocity, average traffic density, traffic flow, and time, as well as the temporal and spatial evolution of traffic. The results obtained show that a change in the distance headway affects the traffic flow, velocity, and density. Further, HetroTraffSim can be extended to automated traffic flows using raycasting. It can easily be used to create realistic traffic scenarios and the computational complexity is low due to the small-degree polynomials employed. HetroTraffSim can be used by traffic planners to improve traffic flow and public safety.en_US
dc.description.reviewstatusRevieweden_US
dc.description.scholarlevelFacultyen_US
dc.description.sponsorshipThis work was funded by the Higher Education Commission (HEC), Pakistan through the National Centre for Big Data and Cloud Computing (NCBC) at the University of Engineering and Technology (UET) Peshawar, Pakistan.en_US
dc.identifier.citationZeb, A., Khattak, K. S., Ullah, M. R., Khan, Z., & Gulliver, T. A. (2023). HetroTraffSim: A Macroscopic Heterogeneous Traffic Flow Simulator for Road Bottlenecks. Future Transportation, 3(1), 368–383. https://doi.org/10.3390/futuretransp3010022en_US
dc.identifier.urihttps://doi.org/10.3390/futuretransp3010022
dc.identifier.urihttp://hdl.handle.net/1828/15492
dc.language.isoenen_US
dc.publisherFuture Transportationen_US
dc.subjecttraffic simulationen_US
dc.subjectsimulations softwareen_US
dc.subjectheterogeneous trafficen_US
dc.subjectroad bottlenecken_US
dc.subjectlane changeen_US
dc.subjectUnity3Den_US
dc.subjectraycastingen_US
dc.titleHetroTraffSim: A macroscopic heterogeneous traffic flow simulator for road bottlenecksen_US
dc.typeArticleen_US

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