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All Journal Jurnal Transportasi Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Journal of Civil Engineering Civil Engineering Dimension Jurnal Jalan Jembatan

Anastasia Caroline Sutandi

Civil Engineering Department Parahyangan Catholic University, Bandung, Indonesia

Author-ID : 396826

Civil Engineering, Building, Construction & Architecture Transportation

Published : 16 Documents Claim Missing Document

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BLACKSPOT LOCATION AND RECOMMENDATION TO REDUCE NUMBER AND SEVERITY OF ACCIDENTS ON PURBALEUNYI TOLL ROAD A. Caroline Sutandi; Wilson Gosalim
Jurnal Transportasi Vol. 13 No. 2 (2013)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

Toll roads, as land transportation infrastructure, have an important role in Indonesia. With a high number of road crashes in Indonesia, with about 40,000 people die on the road each year, the determination of blackspot locations is crucial. The aim of this study is to analyze blackspot location on a toll road in Indonesia and, furthermore, to provide recommendations in order to reduce number and severity of accident. A case study is carried out on a toll road, named Purbaleunyi Toll Road, in West Java. Accident rate value and UCL method are used in this study to determine blackspot locations. The results indicated that there are many blackspot locations along the toll road and recommended solutions provided are adherence to traffic regulation, adherence to vehicle worthiness,dissemination of road safety importance to road users, and the implementation of blackspot treatments continuously.Keywords: blackspot location, road crashes, toll road, blackspot treatments

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

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.

PERFORMANCE EVALUATION OF ADVANCED TRAFFIC CONTROL SYSTEMS AT SIGNALISED INTERSECTIONS FAR FROM ADJACENT INTERSECTIONS A. Caroline Sutandi
Civil Engineering Dimension Vol. 9 No. 2 (2007): SEPTEMBER 2007
Publisher : Institute of Research and Community Outreach - Petra Christian University

Advanced Traffic Control Systems (ATCS) have been recognised as one of the most direct methods for relieving urban traffic congestion. However, the applications of the systems in large cities in developing countries are unique because road networks in these cities face more severe transportation problems than those in developed countries. Furthermore, some of signalised intersections lie close, but others far from adjacent intersections. The aim of this paper is to evaluate the performance of ATCS at intersections with far distance to adjacent intersections and to recommend how to improve traffic performance with given constraints of severe transportation problems. Road network in Bandung, Indonesia was used as a case study. Microscopic traffic simulation was conducted to evaluate the performance of ATCS. It is shown that on average, traffic performance measures under Fixed Time traffic control system were similar or better than those under ATCS. In conclusion, the application of ATCS at intersections far from adjacent intersections is not effective.

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

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 driversâ 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.

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

Show Abstract | Download Original | Original Source | Check in Google Scholar

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

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

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.

Co-Authors Dipo Balida Elsa Tri Mukti Gatot Perdana Kusuma, Gatot Perdana Irwandi Irwandi Novaliya Novaliya Oktavianto, Panji _ Paladan, Floid Olzon Tri Basuki Joewono Wilson Gosalim Wilson Gosalim Wimpy Santosa Yustina Niken R. Hendra

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