Authors : Rathika Aliviani; Taslim Bahar; Arief Setiawan

Volume/Issue : Volume 10 - 2025, Issue 3 - March

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DOI : https://doi.org/10.38124/ijisrt/25mar870

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Abstract : The traffic flow on a road segment is analyzed using three characteristics: Speed, Volume, and Traffic Density. Three models are employed to illustrate the mathematical link among volume, speed, and traffic density: Greenshield, Greenberg, and Underwood. This research aims to elucidate the correlation among volume, speed, and traffic density on the R.E. Martadinata Palu road section, evaluate the performance of the road segment, and examine the influence of heavy vehicles on the current conditions. The investigation of the three models, grounded in statistical evaluation and field features, culminated in the preliminary conclusion that the Greenberg relationship model yields the most accurate representation of the current conditions. The Greenberg model yields a coefficient of determination of r2 = 0.76 for scenarios involving heavy vehicles and r2 = 0.82 for scenarios devoid of heavy vehicles, with Vmaks values of 1725 smp/hour and 1534 smp/hour for each condition, respectively, and an estimated model capacity reduction of 11.07% when transitioning from conditions with heavy vehicles to those without. This signifies that the model's capability is affected by the traffic volume. Utilizing the MKJI 1997 methodology, the DS value was determined to be 0.56 with HV and 0.53 without HV, indicating that the RE. Martadinata road segment is much below saturation levels that would result in congestion during peak traffic periods.

Keywords : Volume, Speed, Density, Greenshield Model, Greenberg Model, Underwood Model, MKJI 1997 Method, Heavy Vehicles.

References :

1. Abdi, G. N., Priyanto, S., & Malkamah S. (2019). The relationship between volume, speed, and traffic density on the Padjajaran road section (northern ring road), Sleman. Teknisia. XXIV (1). 55-64.
2. Ariadi, Isya M., & Caisarina, I. (2016). Analysis of the relationship between volume, speed, and traffic density (case study: Lamnyong Bridge, Teuku Nyak Arief Road Banda Aceh). Civil Engineering Journal. Syiah Kuala University. 279 – 290.
3. Bahar, T. (2000). The influence of stopped vehicles on the traffic characteristics of urban road segments. Thesis. Master of Civil Engineering Program, Graduate School. Bandung Institute of Technology. Bandung.
4. Department of Public Works. (1990). Traffic travel time survey and calculation guide. Directorate General of Highways. Directorate of Urban Road Development. Jakarta,
5. Department of Public Works. (1997). Indonesian Road Capacity Manual (MKJI). Directorate General of Highways. Jakarta.
6. Fadriani, Hetty. (2020). The relationship between volume, speed, and density of the Otto Iskandar Dinata road segment in Bandung. Mandala Institute of Technology. Bandung. 56 – 63.
7. HCM. (2000). Highway Capacity Manual (HCM) 2000. Transportation Research Board. National Research Council. Washington D. C.
8. Hobbs. (1995). Traffic planning and engineering. Gadjah Mada University. Yogyakarta.
9. Saputra, B. & Savitri, D. (2021). Analysis of the relationship between volume, speed, and traffic density based on the Greenshield, Greenberg, and Underwood models. Journal of Infrastructure & Facility Asset Management. Department of Mathematics. State University of Surabaya. Surabaya.
10. Mashuri. (2006). Model of the speed-volume-density relationship of traffic flow on arterial roads in the city of Palu. Mektek scientific journal, year VIII, (2), 83-90.
11. May. A.D. (1990). Traffic flow fundamentals. Prentice-Hall Inc. New Jersey.
12. Morlok, E. K. (1991). Introduction to Transportation Engineering and Planning, Erlangga. Jakarta.
13. Nego, A., Suyono, R. S., & Kadarini, S. N. (2018). Model of the relationship between volume, speed, and density on Jalan Jendral Ahmad Yani 1 Pontianak. Tanjungpura University. Pontianak.
14. Pribadi, L. T. (2004). Study of the relationship between volume, speed, and density on the Gatot Subroto road segment, Cimahi City. Department of Civil Engineering, Faculty of Engineering, Jenderal Achmad Yani University. Journal of Engineering. 3(1). 233 – 239.
15. Probowo, M. (2011). Analysis of traffic density on the Mastrip highway segment STA 2+600 – 3+800 in Surabaya City using a linear approach. Bachelor's Thesis. Universitas Pembangunan Nasional Veteran. East Java.
16. Tamin, O. Z. (2000). Transportation planning and modeling. Second edition of the civil engineering journal. Bandung Institute of Technology. Bandung.
17. Tamin, O. Z. (1992). The relationship between volume, speed, and traffic density on the HR. Rasuna Said road segment (Jakarta). Civil engineering journal number 5, Department of Civil Engineering. Bandung Institute of Technology. Bandung.
18. Thalib, M. T. N. (2018). Analysis of the relationship between volume, speed, and density of traffic flow on the Prof. Dr. H. B. Jassin road segment by comparing the Greenshield method and the Greenberg method. Radial – Journal of Civilization in Science, Engineering, and Technology. Sekolah Tinggi Teknik (STITEK) Bina Taruna Gorontalo. 6(1). 59-68.
19. Timpal, G. S., Sendow, T. K., & Rumayar, A. L. (2018). Capacity analysis based on Greenshield, Greenberg, and Underwood modeling and road performance analysis on the Sam Ratulangi Manado road segment. Jurnal Sipil Statik. 6(8).
20. Utama, G. P. (2016). Analysis of the relationship between speed, volume, and density of vehicle flow on the Muhammad Yamin road segment in Samarinda City. S Curve Student Journal. 2(1). 1567.
21. Widodo, W., Wicaksono, N., & Harwin, H. (2012). Analysis of traffic volume, speed, and density using the Greenshield and Greenberg methods. Semesta Teknika. 15(2). 178-184.
22. Wijayanto, C. S., Adawiyah, R., & Abdurrahman. (2021). Analysis of the relationship between volume, speed, and traffic density by comparing the Greenshield method and the Greenberg method. Civil Engineering, Faculty of Engineering, Islamic University of Kalimantan Muhammad Arsyad Al Banjari. Banjarmasin.