Calibration and validation of vissim microscopic model of contraflow operation system of Silk Highway, Malaysia

Jehad, Ali E. and Al-Msari, Haitham and Ismail, Amiruddin (2022) Calibration and validation of vissim microscopic model of contraflow operation system of Silk Highway, Malaysia. Journal of Engineering Science and Technology, 17 (1). pp. 640-653. ISSN 1823-4690,

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The understanding of heterogenous driving conditions can be furthered through microscopic simulation model calibration. This study focused on the calibration of six (6) driving behaviour parameters (standstill distance, look-ahead distance, headway time, following variation, diamond-shape queuing, and look-back distance) for control and simulation of driving behaviour in VISSIM for the prediction of heterogeneous traffic when operating a contra-lane. Driving behaviour simulation at a contraflow operation system is more complicated than mainstream traffic simulation due to the heterogeneous traffic condition at peak hour. The calibrated results in this study were validated and compared to field results using Mean Absolute Percent Error (MAPE) and paired t-test analysis at 95 level of confidence. The validation process showed no observable difference at 98.5 confidence level. Furthermore, standstill distance, headway time, and following variation were found to govern driving behaviour variations. The look-ahead & look-back distances allow smooth and realistic driving manoeuvres in merging & diverging scenarios. Microscopic driving behaviour model enhancement in VISSIM at heterogeneous Asian highway has its benefits in terms of predicting various scenarios as an alternative solution in such traffic. © School of Engineering, Taylor’s University

Item Type: Article
Funders: None
Uncontrolled Keywords: Calibration; Contraflow; Driving behaviour parameters; Microscopic simulation; VISSIM
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Civil Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 21 Nov 2023 03:17
Last Modified: 21 Nov 2023 03:17

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