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Jurnal Keselamatan Transportasi Jalan

ktj
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Published by Politeknik Keselamatan Transportasi Jalan

ISSN : 23384247 EISSN : 27217248 DOI : https://doi.org/10.46447/ktj.v9i2.440

Core Subject : Engineering,

Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Engineering Transportation

The aim of this journal publication is to disseminate the conceptual thoughts or ideas and research result that have been achieved in the area of Road Transportation Safety. Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety), particularly focuses on the main problems Innovation of Road Safety and Scientific Research areas as follows: 1. Road Safety Management 3. Road Transportation Engineering 3. Automotive Technology 4. Automotive Engineering Technology

Arjuna Subject : Teknik (semua kategori) - Keselamatan, Resiko, Realibilitas dan Kualitas

Articles 127 Documents

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Analisis Titik Daerah Rawan Kecelakaan Tertinggi Jalan Tol Surabaya – Gempol Dengan Metode Equivalent Accident Number (EAN) Serta Upaya Penanganannya Riskiani, Tasya
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

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The Surabaya–Gempol Toll Road is a strategic transportation corridor in East Java that supports both the movement of people and the distribution of goods. As traffic volume continues to increase, the risk of traffic accidents along this route has also risen. This study aims to identify accident-prone areas (black spots) and evaluate road users perceptions regarding the causes and handling of incidents, particularly at KM 15–16 of Lane B. A quantitative approach was employed in this research. The Equivalent Accident Number (EAN) method was used to determine accident-prone locations, while user perceptions were assessed using a Likert scale through distributed questionnaires. Prior to analysis, the instrument was tested for validity and reliability using SPSS, involving a total of 30 respondents. The analysis results indicate that the accident-prone area is located at KM 15–16 of Lane B, with KM 15.600 identified as the most critical point. Perceptions suggest that poor lighting and driver fatigue are the primary contributing factors to accidents. Respondents viewed incident handling as fairly adequate, although aspects such as emergency services and reporting systems require improvement. This study recommends enhancements in safety infrastructure and traffic management in high-risk areas.

Studi Komparatif tentang Kemacetan Lalu Lintas Parah Komuter Jabodetabek: Bukti Empiris Survei 2019 dan 2023 Usfatul Hasanah, Linda; Chotib, Chotib
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

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Severe traffic congestion remains a persistent challenge in Greater Jakarta (Jabodetabek), driven in part by the imbalance between high private-vehicle use and low public-transport uptake. This study compares the incidence of severe congestion among commuters in 2019 and 2023 and examines changes in trip characteristics. We conduct descriptive analyses of microdata from the Jabodetabek Commuter Surveys (2019, 2023) using IBM SPSS 29.0.2.0(20), focusing on severe-congestion status, trip distance, travel time, and mode. Results show a decline in severe congestion in 2023 despite an increase in the number of commuters. Average trip distance decreased from ~21 km (2019) to ~10 km (2023), and travel time fell from ~60 minutes to ~31 minutes. These shifts are consistent with post-pandemic mobility changes-especially flexible/hybrid work—that shorten trip chains and redistribute demand. The study’s original contribution is a cross-year, microdata-based comparison for Jabodetabek that demonstrates congestion reductions are not solely attributable to roadway capacity increases but also to behavioral changes in mobility, a dimension rarely quantified in prior work. Practical implications include prioritizing suburban traffic management, strengthening multimodal integration for short-to-medium trips (integrated fares, timetable synchronization, improved last-mile services), and advancing behavioral policies to shift users toward public transport.

Memahami Perilaku Mengemudi Berisiko: Perspektif Faktor Demografi Pengendara Sepeda Motor Ahmad Fauzi; Suraharta, I Made; Sarjana, Sri
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.762

The high level of involvement of motorcyclists in traffic accidents highlights the importance of understanding the psychological factors that influence risky driving behavior, particularly attitudes toward safety. This study aimed to examine the influence of attitudes on two dimensions of risky driving behavior—violations and errors—and to identify differences in the strength of these influences based on rider demographic characteristics. The study used a quantitative approach with a cross-sectional design on 206 motorcyclists in Tegal City, analyzed using Structural Equation Modeling–Partial Least Squares (SEM-PLS) and Permutation Multi-Group Analysis. The results showed that attitudes significantly influenced both violations (β = 0.460; p < 0.001) and errors (β = 0.530; p < 0.001), with a stronger influence on errors. Cross-group analysis revealed that the mechanism of attitude influence was not uniform: the influence on errors was strongest among riders aged 18–25 years, while the influence on violations was greatest among riders aged >36 years. Educational level significantly moderated the relationship, with less educated drivers demonstrating higher attitudinal sensitivity across both dimensions of risky behavior. Furthermore, driver training was shown to attenuate the influence of attitudes toward violations. These findings confirm that the effectiveness of traffic safety interventions depends on driver segmentation, with an emphasis on shaping safety attitudes and self-regulation tailored to demographic characteristics.

Deteksi Objek Di Jalan Tanpa Penerangan Pada Kendaraan Menggunakan White Dan Yellow Headlamp Ahmad, Rahmat; Yudi Martha Wiguna, I Wayan; Prima Gilang Rupaka, Anggun; Handoko, Handoko
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.767

Road conditions without lighting often pose a high risk of traffic accidents, especially in rural areas or on alternative routes. This study aims to analyze the effectiveness of using white and yellow headlamps on vehicles in detecting objects under dark road conditions. The methods employed were field experiments and interviews with drivers. The results show that the use of white headlamps, based on SWOT analysis, is positioned in Quadrant I at the coordinates 0.92 and 0.23, while the use of yellow headlamps, based on SWOT analysis, is positioned in Quadrant I at the coordinates 0.47 and 0.08. These findings indicate that the use of white headlamps is still superior to yellow headlamps under nighttime conditions, although the difference is not highly significant on roads without lighting

Evaluasi Efektivitas Diklat Pengemudi Angkutan Umum terhadap Kinerja Perilaku dan Kepuasan Penumpang dengan Pendekatan Terpadu Analitis Mardikawati, Budi; Budi Sulistyo, Aris; Ahmad, Rahmat; Fitasari, Yusime; Handoko, Handoko
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.769

The improvement of public transportation service quality is highly influenced by the competence, performance, and behavior of drivers, who serve as the frontline of service delivery. The Public Transport Driver Certification Training (SPAU) is conducted to enhance professionalism, driving safety, and service ethics; however, its effectiveness in the field needs to be evaluated comprehensively. This study aims to assess the effectiveness of SPAU training on drivers’ performance and behavior, as well as its impact on passenger satisfaction, using an integrated analytical approach. The research employs a quantitative approach with data triangulation from drivers, their direct supervisors, and passengers. Analyses are conducted using Structural Equation Modeling (SEM) to examine causal relationships among variables, Importance Performance Analysis (IPA) to identify service attributes requiring priority improvement, and the Customer Satisfaction Index (CSI) to measure overall passenger satisfaction. The results indicate that competencies acquired from the training significantly influence improvements in drivers’ performance and behavior, which in turn positively affect passenger satisfaction. IPA analysis reveals several service attributes that still require improvement, while the CSI score shows that overall passenger satisfaction falls within a good category. These findings underscore the importance of strengthening the curriculum, providing post-certification guidance, and implementing continuous monitoring to ensure the sustainability of the training’s impact on public transportation service quality.

Analisis Pengaruh Beban Dan Dimensi Berlebih Kendaraan Angkutan Barang Terhadap Ketahanan Sasis Dan Sistem Suspensi Kendaraan Fahmadi, Aat Eska; Rafinanda, Rahma; Aziz Kurniawan, Moch; Sugianto, Sugianto; Arief Novianto, R.
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.770

The widespread use of overloaded and overdimensioned freight vehicles (ODOL) has become a serious issue, affecting not only road infrastructure but also the technical components of vehicles, such as the chassis and suspension systems. This study aims to directly analyze the impact of excessive load and dimensions on the durability of the chassis and leaf springs as part of the vehicle’s suspension system. The main problem examined is the extent to which ODOL conditions contribute to technical damage in the chassis and leaf springs.This research adopts an experimental approach by collecting data through field observations, driver interviews, and static load simulations using the Finite Element Analysis method with SolidWorks software. Simulations were conducted on the chassis and leaf springs of an open-bed truck with a 1.2 axle configuration, using three load variations (10%, 20%, and 30% over the vehicle's Gross Vehicle Weight Rating or GVWR). The simulations also aimed to identify the point at which the chassis and leaf springs experience material failure or fracture. The results show a significant increase in stress and displacement in both the chassis and leaf springs under 10%, 20%, and 30% overload conditions. Furthermore, the factor of safety values indicate a declining level of material safety as the load increases. Material failure in the chassis occurred at 55% overload, while the leaf springs failed at 150.7% overload. Based on observations, interviews, and simulation results, this study reinforces the importance of enforcing regulations on vehicle weight and dimensions. In addition to damaging infrastructure, ODOL vehicles significantly compromise the structural integrity of the chassis and suspension system, leading to increased vehicle maintenance costs. This research is expected to serve as a technical reference for business operators and policymakers in supporting the Zero ODOL program and as a basis for developing more evidence-based road safety policies.

Studi Eksperimen Penggunaan Diesel Particulat Filter Terhadap Temperatur Oli Mesin, Air Radiator, Dan Exhaust Manifold Mesin Diesel Kurniawan, Moch. Aziz; Wibowo, Helmi; Eska Fahmadi , Aat; Amin, Nasrul; Farras, Muhammad
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 12 No. 2 (2025): JURNAL KESELAMATAN TRANSPORTASI JALAN (INDONESIAN JOURNAL OF ROAD SAFETY)
Publisher : Pusat Penelitian dan Pengabdian Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46447/ktj.v12i2.771

The use of vehicles using diesel engines is increasing and has a direct impact on increasing exhaust emissions, especially particulate matter (PM), which is harmful to health and the environment. This study aims to analyze the installation of a honeycomb Diesel Particulate Filter (DPF) made of galvalum on exhaust emissions and engine temperature in a Mitsubishi L300 vehicle. The DPF was designed using galvalum material with a square honeycomb configuration and glasswool variations of 50, 100, and 150 grams. The test was conducted experimentally by comparing conditions without DPF and after DPF installation, including testing exhaust emissions, engine oil temperature, radiator water temperature, and exhaust manifold temperature. The installation of a diesel particulate filter (DPF) can reduce exhaust emissions by up to 37.1% at DPF 150 variations. DPF installation also relatively increases the temperature of radiator water, engine oil, and exhaust manifold in diesel engines. The largest temperature increase in exhaust manifold temperature is up to 8.02% compared to without using DPF at idle conditions. This temperature increase is caused by the honeycomb and glasswool structures that can create obstacles to the flow of exhaust gases. When the engine speed reaches 2000 rpm, there is an increase in exhaust manifold temperature of up to 15.09% compared to idle speed. This increase is due to faster engine speed so that combustion heat also increases.

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Setya Wijayanta

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Tegal

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Setya Wijayanta

Contact Email p3m@pktj.ac.id

Phone +6281329012711

Journal Mail Official p3m@pktj.ac.id

Editorial Address Tegal

Location Unknown, Unknown INDONESIA

Abstract

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Abstract

Contact Name
Setya Wijayanta

Contact Email
p3m@pktj.ac.id

Phone
+6281329012711

Journal Mail Official
p3m@pktj.ac.id

Editorial Address
Tegal

Location
Unknown,

Unknown

INDONESIA