Calibration of microsimulation model for tight urban diamond interchange under heterogeneous traffic

Azam, Muhammad; Puan, Othman Che; Hassan, Sitti Asmah; Mashros, Nordiana

doi:10.1088/1757-899x/527/1/012077

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…The RSMPE and the GEH values for both traffic parameters are within the validation threshold of 5% and 3%, respectively; hence the base model was validated [48]. A calibrated and validated model is essential in model development to ensure a valid and reliable evaluation [56][57][58]. The calibrated and validated base case model was then expanded further to model the bus rapid transit (BRT) strategies.…”

Section: Bus Rapid Transit (Brt) Scenario Model Developmentmentioning

confidence: 99%

Bus Rapid Transit System Introduction in Johor Bahru: A Simulation-Based Assessment

et al. 2021

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Bus rapid transit (BRT) is one of the strategies to promote improvements in urban mobility. In this study, BRT scenarios, which integrate exclusive bus lanes and bus priority signal control in mixed traffic scenarios, were modelled using a VISSIM microsimulation. Three scenarios of BRT were modelled to represent 16:84, 38:62 and 54:46 modal splits between public transport and private vehicles. It was found that Scenario 4 (the 54:46 scenario) offers better benefits in terms of delay time saving and economic benefits. In general, it was found that the BRT system enhances the functioning of the transport system and provides people with faster and better mobility facilities, resulting in attractive social and economic benefits, especially on a higher modal split of public transport. It is regarded as one strategy to alleviate traffic congestion and reduce dependency on private vehicles. The finding of this study provides an insight on the effective concept of the BRT system, which may promote the dissemination of an urban mobility solution in the city. The results can help policymakers and local authorities in the management of a transport network in order to ensure reliable and sustainable transport.

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Section: Bus Rapid Transit (Brt) Scenario Model Developmentmentioning

confidence: 99%

Bus Rapid Transit System Introduction in Johor Bahru: A Simulation-Based Assessment

et al. 2021

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“…e lateral displacement behaviour is widely prevalent and time discrete in the case of mixed-flow conditions, which is absent in the case of adopting the spacecontinuous car-following and lane-changing longitudinal homogeneous models [124]. A microsimulation model was developed and calibrated by Azam et al [151] using VISSIM for an urban diamond interchange consisting of heterogeneous traffic flow. e authors concluded that VISSIM could model mixed traffic stream and reflect the actual scenario.…”

Section: Simulation Framework Based On Psychophysicalmentioning

confidence: 99%

Simulation Strategies for Mixed Traffic Conditions: A Review of Car-Following Models and Simulation Frameworks

Matcha

Namasivayam

Fouladi

et al. 2020

Journal of Engineering

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The area of traffic flow modelling and analysis that bridges civil engineering, computer science, and mathematics has gained significant momentum in the urban areas due to increasing vehicular population causing traffic congestion and accidents. Notably, the existence of mixed traffic conditions has been proven to be a significant contributor to road accidents and congestion. The interaction of vehicles takes place in both lateral and longitudinal directions, giving rise to a two-dimensional (2D) traffic behaviour. This behaviour contradicts with the traditional car-following (CF) or one-dimensional (1D) lane-based traffic flow. Existing one-dimensional CF models did the inclusion of lane changing and overtaking behaviour of the mixed traffic stream with specific alterations. However, these parameters cannot describe the continuous lateral manoeuvre of mixed traffic flow. This review focuses on all the significant contributions made by 2D models in evaluating the lateral and longitudinal vehicle behaviour simultaneously. The accommodation of vehicle heterogeneity into the car-following models (homogeneous traffic models) is discussed in detail, along with their shortcomings and research gaps. Also, the review of commercially existing microscopic traffic simulation frameworks built to evaluate real-world traffic scenario are presented. This review identified various vehicle parameters adopted by existing CF models and whether the current 2D traffic models developed from CF models effectively captured the vehicle behaviour in mixed traffic conditions. Findings of this study are outlined at the end.

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“…From the perspective of Azam et al (2019), in contrast to models used by other programs, a proposed model that considers each vehicle, including its physical behavior and dynamics, in terms of acceleration or braking maneuvers, and a driver behavior model, which provides braking. , accelerating, changing lanes, etc.…”

Section: International Journal Of Advanced Engineering Research and Science (Ijaers)mentioning

confidence: 99%

“…And from this, a use of microsimulation raise several enlightening information. According to Azam et al (2019), understanding the nature of spatial variation behavior, in terms of time and stakeholder integeration, provides important insights that aid in the planning and management of urban traffic (people and vehicles).…”

Section: IIImentioning

confidence: 99%

Microsimulation in the Assessment of Vehicle and Pedestrian traffic in an Urban Network

Louro¹,

Zatta²,

Freitas³

et al. 2019

IJAERS

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Metropolitan cities have attracted and accumulated most of the world's population territorially. Concomitant to this, there are impacts generated by urban traffic, which directly affect social life and relationships, namely, educational, personal, commercial, among others. These impacts, by their very nature, involve multiple actors; multiactivities; complex relationships from and between people; different activities and infrastructures. In addition, the effects of rapid urbanization and the modernization and change of urban lifestyles have fostered new behaviors. Because of this, and the wide spectrum of variables, as well as the need to view and analyze scenarios, in this work we used microsimulation, as it offers possibilities to understand behaviors. Being proposed a model that describes the elements that make up the daily movement of vehicles and pedestrians in urban areas. This model is a modification of the traditional four-step approach, considering the behavior of each decision maker and other actors individually involved. The structure of the model consists of five steps: operational analysis; simulation structuring; data collect; measures of efficiency and acceptability. The research unit used was a metropolitan region with a high flow of pedestrians and vehicles, located in the state of Espírito Santo. The results showed that changes in tracing and use of restriction signals are alternatives that lead to the minimization of queues. The contributions of this work are not limited to scientific development, but also serve to compose the framework for decision making in the sector.

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Calibration of microsimulation model for tight urban diamond interchange under heterogeneous traffic

Cited by 6 publications

References 5 publications

Bus Rapid Transit System Introduction in Johor Bahru: A Simulation-Based Assessment

Bus Rapid Transit System Introduction in Johor Bahru: A Simulation-Based Assessment

Simulation Strategies for Mixed Traffic Conditions: A Review of Car-Following Models and Simulation Frameworks

Microsimulation in the Assessment of Vehicle and Pedestrian traffic in an Urban Network

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