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All Journal Jurnal Transportasi Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Journal of Civil Engineering Civil Engineering Dimension International Journal of Economics, Business and Accounting Research (IJEBAR) Jurnal Jalan Jembatan Berkala Forum Studi Transportasi antar Perguruan Tinggi International Journal of Mechanical, Electrical and Civil Engineering
Anastasia Caroline Sutandi
Universitas Katolik Parahyangan
Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation

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Evaluation of The Impacts of VMS on Traffic Performance Measures in An Urban Area in Indonesia A. Caroline Sutandi
Civil Engineering Dimension Vol. 10 No. 1 (2008): MARCH 2008
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (185.691 KB) | DOI: 10.9744/ced.10.1.pp. 28-34

Abstract

Variable Message Sign (VMS) is especially recommended for congested flow conditions. The aim of this study is to investigate how drivers in a large city in a developing country with many specific geometric and traffic conditions and also specific driver behaviour, use VMS in aid of choosing route for their inter-city trips. Furthermore, to explore the impact of the use of the information on increasing traffic performance measures. A case study was carried out in Bandung, Indonesia. Microscopic traffic simulations were used in this study to evaluate traffic performance measures. The results of the evaluation found that VMS has insignificant impact on drivers’ route choice behaviour. The results indicated that drivers in Bandung rely much on their experience of traffic conditions commonly occur in the city and demonstrated that VMS has no significant impact to increase traffic performance, but has better impact on the roads with higher number of alternative roads.
PENGEMBANGAN ATRIBUT PERHITUNGAN NILAI PERLINDUNGAN JALAN UNTUK RUAS JALAN NASIONAL INDONESIA DARI PERSPEKTIF PENGENDARA KENDARAAN BERMOTOR RODA EMPAT ATAU LEBIH Muhammad Idris; Wimpy Santosa; Anastasia Caroline Sutandi
Jurnal Jalan-Jembatan Vol 38 No 2 (2021)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

This paper presents the development of road assessment attributes for the calculating Road Protector Scores (RPS) or Star Rating Scores (SRS) model for Indonesia’s national roads derived from the perspective of four-wheeled or more motorized vehicle drivers. Based on the study of traffic accident characteristics from a total of 283,518 accidents, two new accident types are considered significant as parameters for calculating SRS. These accidents are front-rear collision and front-side collision, and they are the top of highest types of accidents on Indonesia’s national roads. The inclusion of the two types of accidents is hypothesized to provide differences between the attributes in the SRS model for Indonesia’s national roads and the SRS developed by iRAP. Benchmarking and studies based on accident characteristics of the attributes have resulted 51 items while the SRS iRAP model has 31 items. A quadrant analysis by using Importance and Performance Analysis (IPA) method, have shown that there are 43 attributes that can be divided into six parameters of the National Road SRS model. Sign test using a binomial table that has use in this research also proves that there is a significant difference between the numbers of attributes of the two road assessment attributes of SRS iRAP and SRS National Road models. The difference in attributes in the two SRS models is shown by 17 different and completely new road attributes from the previous SRS models. This result implies that the RPS attributes in the iRAP model must be modified according to the dominant types of accidents if it is to be applied in Indonesia. Theferefore, an SRS model developed for Indonesia's national roads needs to integrate these attributes.
PAPARAN RISIKO DARI KESELAMATAN JALAN DI INDONESIA BERDASARKAN FATALITAS KECELAKAAN Anastasia Caroline Sutandi
Jurnal Jalan-Jembatan Vol 39 No 2 (2022)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

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Abstract

Numbers and fatality of casualties in Indonesia is a very serious problem that has to be solved as soon as possible. Data shows that 3 or 4 casualties die every 12 accidents per hour. The high risk occurs because of many factors i.e. humans, condition of road, vehicle, environment, technology, and weather that can be explained with Risk Exposure. The aims of this study are to determine the value of Risk Exposure in order to improve road safety in Indonesia based on accident fatality and then propose recommendations in order to reduce the number and fatality of the accident risk. Complete, accurate, and up to date data is collected from Korps Lalu Lintas Polri, 2019 and Statistics Central Bureau in year 2010-2019 in all provinces in Indonesia. Data from year 2010 up to year 2019 can be considered as a normal data, whereas data during pandemic conditions can be assumed as an up normal data because of many traffic policies applied as need at that time. Descriptive statistics indicated that Risk Exposure Value (REV) based on accident fatality to population number, vehicle number, driving license ownership, and various roads surface pavement conditions increase every year. From the REV, then the practice actions that have to be done soon are education to the divers, implementation of road furniture, and step by step installation of ITS as needed. The results of this study are important because the study reviews from another point of view rather than that most accidents are caused by human error and can then be used as a basis for real follow-up in the field. Key words: risk exposure, risk exposure value, road safety, Indonesia
KONSEP PENERAPAN AREA TRAFFIC CONTROL SYSTEM (ATCS) UNTUK KABUPATEN KUBU RAYA Zaki, Sheva Naufal; Sutandi, Anastasia Caroline
Jurnal Transportasi Vol. 23 No. 3 (2023): Jurnal Transportasi
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26593/jtrans.v23i3.7553.197 - 207

Abstract

Developments in urban planning and infrastructure development are still ongoing and being improved, which makes it challenging to handle transportation problems optimally. The transportation problem currently being faced is traffic jams. This study proposes implementing an Area Traffic Control System (ATCS) to overcome transportation problems at signalized intersections in Kubu Raya Regency. ATCS was implemented at Simpang 4 Major Alianyang-Adi Sucipto and Simpang 4 Major Alianyang-Raya Kapur Village. The method used to analyze intersection performance is MKJI 1997. The survey was carried out at peak hours on Wednesday and Saturday. Based on the results of the analysis using PTV VISSIM Software after implementing ATCS at the Major Alianyang-Adi Sucipto Intersection 4, it had a delay of 11,80 seconds with LOS B, and the Major Alianyang-Raya Intersection, Kapur Village, had a delay of 127,35 seconds with LOS F. ABSTRAK Perkembangan dalam pembangunan tata kota maupun infrastruktur masih terus berlangsung dan ditingkatkan, hal ini menyebabkan penanganan permasalahan transportasi sulit berjalan optimal. Permasalahan transportasi yang sedang dihadapi adalah kemacetan lalu lintas. Tujuan dari studi ini adalah memberikan konsep penerapan Area Traffic Control System (ATCS) untuk mengatasi permasalahan transportasi pada simpang bersinyal di Kabupaten Kubu Raya. Konsep penerapan ATCS dilakukan pada Simpang 4 Major Alianyang–Adi Sucipto dan Simpang 4 Major Alianyang–Raya Desa Kapur. Metode yang digunakan untuk menganalisis kinerja simpang adalah MKJI 1997. Survei dilakukan pada jam puncak hari Rabu dan Sabtu. Berdasarkan hasil analisis menggunakan Software PTV VISSIM setelah penerapan ATCS pada Simpang 4 Major Alianyang–Adi Sucipto memiliki tundaan 11,80 detik dengan LOS B dan Simpang 4 Major Alianyang–Raya Desa Kapur memiliki tundaan 127,35 detik dengan LOS F.
ANALISIS BLACKSPOT DI INDONESIA BERDASARKAN PERBEDAAN KONDISI JALAN, FATALITAS KECELAKAAN, DAN ANALISIS RISIKO Sutandi, Anastasia Caroline
Jurnal Jalan Jembatan Vol 40 No 1 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i1.1179

Abstract

Blackspot is a prone location with a high number of accidents. There are a number of definitions of blackspot, i.e. based on country, location, and the severity of road traffic accidents (accidents). One definition of blackspot in Indonesia is a location of 300 up to 500 meters long with a high number of accidents. Usually, blackspot is only analyzed based on the number of accidents and the severity of accidents. In this study, blackspot is analyzed based on 3 criteria i.e. (1) differences in road conditions, (2) the number of accident fatality, and (3) risk analysis in a specific time period. The differences in road conditions in terms of geometric conditions, road pavement surface conditions, and road furniture conditions. The number of accident fatality data can be taken from the National Police of the Republic of Indonesia or from the Central Bureau of Statistics in Indonesia. Risk analysis is an analysis to determine the risk value, risk category, and action recommendation in order to reduce the number of accidents and the fatality of the accident. Furthermore, comparison is carried out between determination of blackspot location based on the number and the severity of accident and those based on the three criteria. The results based on the three criteria show that determination of blackspot location is more accurate. The results of the study produce a more accurate and detailed blackspot analysis and can be used in all locations in Indonesia using complete, accurate, and up-to-date accident data, so that the results are valid and useful for explaining actual real conditions.
DIGITALISASI INFORMASI ASPHALT MIXING PLANT (AMP) BALAI PELAKSANA JALAN NASIONAL MERAUKE Sowolino, Bertho Orbain; Sutandi, Anastasia Caroline; Fortuna, Muhammad Wahyudi
Berkala Forum Studi Transportasi antar Perguruan Tinggi Vol. 1 No. 3 (2023): Berkala Forum Studi Transportasi antar Perguruan Tinggi
Publisher : Prodi Teknik Sipil, Fakultas Teknik, Universitas Jember dan Forum Studi Transportasi antar Perguruan Tinggi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/berkalafstpt.v1i3.612

Abstract

The importance of Asphalt Mixing Plant (AMP) equipment in road preservation activities requires an efficient monitoring and evaluation process from equipment operation worthiness certification. Digitization is needed for automatic AMP management in order to produce a simple, fast, accurate, and transparent reporting system. Manually collecting AMP information data could hinder road preservation performance directly, particularly for the monitoring process from central ministry offices to regional offices, especially in the work scope of the Directorate of Road and Bridge Preservation Region II C. Utilization of Google features in an effort to optimize AMP data updates could actualize the main goal of digitizing information. Information technology such as Google Data Studio, integrated with other features, provides effectiveness in data management which is empowered as a means of monitoring AMP units in supporting the performance of the Directorate of Road and Bridge Preservation Region II C, Ministry of Public Works and Public Housing. ABSTRAK Pentingnya peralatan unit Asphalt Mixing Plant (AMP) dalam kegiatan preservasi jalan menuntut adanya efisiensi proses monitoring dan evaluasi dari sertifikasi laik operasi alat. Dalam aktifitas pemantauan, digitalisasi diperlukan untuk pengelolaan AMP secara otomatis guna menghasilkan sistem pelaporan yang mudah, cepat, akurat, dan transparan. Pengumpulan data informasi AMP yang dilakukan secara manual tentu dapat menghambat kinerja preservasi jalan secara langsung terutama untuk proses pemantauan dari kantor kementerian pusat ke balai di daerah terutama pada lingkup kerja Direktorat Preservasi Jalan dan Jembatan Wilayah II C. Pendayagunaan fitur Google dalam upaya optimalisasi pembaharuan data AMP dapat mewujudkan tujuan utama digitalisasi informasi. Pemanfaatan teknologi informasi seperti Google Data Studio yang dapat diintegrasikan dengan fitur lainnya, memberikan efektifitas dalam mengelola data yang diberdayakan sebagai sarana pemantauan unit AMP, dari mulai lokasi hingga kelaikan operasi alat dalam mendukung kinerja Direktorat Preservasi Jalan dan Jembatan Wilayah II C, Kementerian Pekerjaan Umum dan Perumahan Rakyat.
Analysis of Operational Efficiency at Unsignalized Intersections in Pontianak City Irwandi Irwandi; Anastasia Caroline Sutandi; Elsa Tri Mukti
International Journal of Mechanical, Electrical and Civil Engineering Vol. 2 No. 1 (2025): January : International Journal of Mechanical, Electrical and Civil Engineering
Publisher : Asosiasi Riset Ilmu Teknik Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/ijmecie.v2i1.156

Abstract

Congestion in Pontianak City significantly impacts traffic flow, affecting both efficiency and comfort of road transit. The city's unsignalized intersections, crucial for managing vehicle flow from multiple directions, are under scrutiny for their performance. A study using the Indonesian Road Capacity Guidelines (IRCG) has assessed intersections, that the degree of saturation often exceeds acceptable limits, leading to congestion and increased delays. The research highlights that the current capacity of these intersections is insufficient to handle the growing traffic demand. For instance, under maximum traffic flow conditions, one intersection recorded a total traffic flow of 2,978.20 pcu/hour against a capacity of 2,716.40 pcu/hour, resulting in a degree of saturation of 1.096. This indicates a need for interventions like installing traffic signals or modifying road geometry to enhance flow efficiency. Despite these findings, the analysis of existing conditions specific unsignalized intersections showed a level of service value of E and F, suggesting that these intersections currently require immediate improvements. However, to further improve intersection performance, recommendations include reducing side obstacles, enhancing road geometry, and installing two-phase traffic signals, which offer the highest capacity with minimal delay. These measures aim to ensure that Pontianak City's transportation infrastructure can effectively.
The Value of Passenger Car Equivalent using the Time Headway Method on Urban Roads Irwandi Irwandi; Anastasia Caroline Sutandi; Elsa Tri Mukti
Civil Engineering Dimension Vol. 27 No. 1 (2025): MARCH 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.1.33-46

Abstract

The escalating proliferation of vehicles has had a significant impact on the existing Passenger Car Equivalent (PCE) values, making them less effective under current traffic conditions for assessing road performance. This study aims to redefine PCE values for urban highways using the Time Headway method. Data collection was conducted over four days during peak traffic hours. The methodology involved direct field observations, analysis footage, and statistical modeling of time headway data distributions. The Kolmogorov-Smirnov fit test identified the Wakeby distribution as the most suitable representation of time headway data. Results yielded PCE values of 0.413 for motorcycles and 1.416 for medium vehicles, with discrepancies of 65.37% and 18.02%, indicating that the measured PCE values surpass the established benchmarks. The rise in vehicle numbers and the methodologies employed contribute to the variations in observed PCE levels. This research provides valuable insights for urban road planning and foundation studies for future research.
THE EFFECTS OF SIDE FRICTION REDUCTION TO THE PERFORMANCE OF UNSIGNALIZED INTERSECTION (CASE STUDY IN BANDUNG, INDONESIA) Anastasia Caroline Sutandi; Novaliya Novaliya
Journal of Civil Engineering Vol. 29 No. 2 (2009)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v29i2.7605

Abstract

Unsignalized intersections, which are locations, with high potential traffic congestion, are the largest number of intersections in large cities in developing country such as Indonesia. Moreover, a number of side frictions worsen traffic congestion and then decrease performance of intersection. Some Regulator traffic signs have been installed to reduce traffic congestion at these locations. However, road users especially angkot (local public transportation mode) drivers ignored the signs. The purpose of this paper is to analyze the effects of side friction reduction to the performance of the intersection. Unsignalized intersection at Rajawali-Dadali in Bandung, Indonesia was used as a case study. Results of this paper showed that at the intersection with capacity of around 4000 pcu/hour, degree of saturation of 0.91 and delay of 15.3 second/pcu, traffic signs alone were not effective. The presence of police officer increased 8.46 percent of capacity, decreased 2.72 percent of degree of saturation, and decreased 4.93 percent of delay at the intersection. However, since the presence of police officers are not always available even during peak hours, it is recommended that the unsignalized intersections with high degree of congestions be changed into signalized intersections.
Co-Authors Brian Sixon Christian Umboh Dipo Balida Elsa Tri Mukti Elsa Tri Mukti Fadil Budi Setianto Fortuna, Muhammad Wahyudi Gatot Perdana Kusuma, Gatot Perdana Gunarta, IGW Samsi Hansen Samuel Arberto Gultom Ida Farida IGW Samsi Gunarta Irwandi Irwandi Irwandi Irwandi Muhammad Idris Muhammad Idris Novaliya Novaliya Novaliya Novaliya Oktavianto, Panji _ Paladan, Floid Olzon Sowolino, Bertho Orbain Tri Basuki Joewono Triono Junoasmono Wilson Gosalim Wilson Gosalim Wimpy Santosa Yustina Niken R. Hendra Zaki, Sheva Naufal