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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 135 Documents

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Study Komparatif Penambahan Zat Aditif Alami Dan Kimia Sintetis Pada Pertamax dalam Mengurangi Emisi Gas Buang Kendaraan Bermotor Nanang Okta Widiandaru; Arif Novianto; Rifkqi Jinan Albadi
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 13 No. 1 (2026): 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.v13i1.786

The emergence of Pertamax Green 95 in 2023, with the specification of a bioethanol blend in Pertamax resulting in an octane value of 95, is expected to be a better fuel than Pertamax in terms of vehicle performance and lower exhaust emissions. To confirm this hypothesis, research is needed to determine the comparison of using Pertamax, Pertamax Green (Pertamax mixed with bioethanol/natural additive), and a mixture of Pertamax with an octane booster/synthetic chemical additive on exhaust emissions. The researchers will use the experimental method for this study. The purpose of experimental research is to determine the results of a study due to several treatments or actions taken by the researchers. The research object uses carburetor and EFI cars with Pertamax, Pertamax Green 95, and a mixture of Pertamax and Octane Booster as fuel. The comparison of using Pertamax, Pertamax Green 95, and a mixture of Pertamax with Octane Booster shows significant differences in emissions, which also vary for each vehicle. The lowest emission content in carbureted vehicles was found in Pertamax Green 95 fuel, with an average CO content of 8.76% and an average HC content of 3347.78 ppm. Meanwhile, the lowest emissions in EFI vehicles were also found with Pertamax Green fuel, with an average CO and HC emission content of 0.013% and 5.06 ppm, respectively. Statistical testing was conducted using the Kruskal-Wallis test on the three fuels, yielding significance values (Asymp. Sig.) for CO levels of 0.02 for the carburetor and <0.001 for the EFI, while HC levels were <0.001 for both the carburetor and the EFI. It was concluded that there are significant differences between the three fuel groups in the exhaust gas emission test results.

Optimalisasi Kinerja U-Turn Di Ruas Jalan Sudirman Selatan Kota Pekanbaru Dengan Pendekatan PKJI 2023 Dan Vissim Stefanus Sylvan Ryanto; Meynessa Puspita Tika Putri; Aswin Badarudin Atmajaya
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 13 No. 1 (2026): 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.v13i1.652

U-Turn Sudirman Selatan is located between segments 2 and 3 of Jalan Jenderal Sudirman, Pekanbaru City, which is famous for its congestion. Not only by observation, this is also proven by performance calculations through PKJI 2023 and a degree of saturation of 0.97 is obtained. The large volume of vehicles and the presence of large vehicles maneuvering on the u-turn are the causes of this problem. This study aims to optimize performance on the u-turn study. The method used by the author is PKJI 2023 and modeling through vissim. Meanwhile, the data needed is the busiest one-hour volume data on the u-turn, spotspeed, and also inventory. Based on the existing problems, the solution that can be applied is to redesign the geometry to increase capacity and make the u-turn one-way to break the conflict. Based on the results of the optimization analysis, an increase in performance was obtained in the form of a decrease in the degree of saturation by 18% at the north u-turn and 16% at the south U-Turn, a decrease in queue length by 73% at the north u-turn and 96% at the south u-turn. In addition, there was an increase in travel speed of 23% at the north u-turn and 21% at the south u-turn, as well as a decrease in average travel time by 52% at the north u-turn and 51% at the south U-Turn.

Analisis Mitigasi Risiko dan Peningkatan Keselamatan Pejalan Kaki di Kawasan Pasar Induk Brebes Iswatun Hasanah; Rachmat Mudiyono; Abdul Rochim
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 13 No. 1 (2026): 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.v13i1.795

Traditional market areas with high activity intensity create convergence of multiple traffic movements, leading to congestion and increased pedestrian-vehicle conflicts. This study aims to analyze risk mitigation and formulate strategies for improving pedestrian safety at the Pasar Induk Brebes using an integrated approach. A quantitative descriptive-evaluative method was applied, collecting data through traffic surveys, pedestrian facility audits, and questionnaires involving 110 respondents. Analysis covered traffic performance using MKJI 1997, pedestrian Level of Service (LOS), Walkability Index, inferential statistical tests (Mann–Whitney, Spearman, and Chi-Square), and SWOT analysis. Results show road segments operating at LOS B (V/C = 0.39) with high side friction, while the signalized intersection records DS > 1.0 on two main approaches. Pedestrian facilities are suboptimal: effective sidewalk widths of 2.5 m (east) and 1.2 m (west), LOS B–C at peak hours, and a PV² value of 2.33 × 10⁹ recommending a Pelican Crossing, yet no formal crossing facility currently exists. The Walkability Index averages 42.86 (marginal category). Mann–Whitney tests confirm significant gender-based perception differences (p < 0.05); Spearman correlation reveals a very strong relationship between traffic conflict and walkability index (ρ = 0.917, p < 0.001). SWOT-based strategies propose installation of Pelican Crossing, inclusive sidewalk rehabilitation, side friction management, and strengthened traffic enforcement.

Analisis Perencanaan Desain Jalur Sepeda di Kota Tegal Muhammad Yunus; Isradias Mirajhusnita; Fita Ayunina Lathifah; Reza Agy Rivaldi
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 13 No. 1 (2026): 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.v13i1.796

Bicycle transportation in Tegal City faces various challenges. These include infrastructure issues (bike lanes), such as the lack of dedicated lanes for cyclists, the absence of signage for cyclists, and, most importantly, the lack of a map depicting the actual road conditions cyclists will encounter. The proportion of cyclists on roads in Tegal City is approximately 4%–7% compared to other road users, so supporting infrastructure for bicycle transportation on roads in Tegal City is needed. Therefore, there is a need for bicycle lane design planning that prioritizes safety, comfort, and environmental sustainability. The method used was a survey method involving the direct collection of data in the field, specifically a vehicle volume survey using traffic counting techniques and an inventory technique aimed at measuring road capacity. The Level of Service (LOS) values were 0.3 (B) for Jl. AR. Hakim, 0.27 (B) for Jl. P. Diponegoro was 0.27 (B), Jl. KH. Mas Mansyur was 0.15 (A), Jl. Masjid Agung was 0.15 (A), Jl. Pancasila was 0.2 (B), and Jl. KH. Wahid Hasyim and KH Ahmad Dahlan were 0.15 (A). Additionally, the road type on Jl. AR Hakim, Jl. KH Mas Mansyur, Jl. Masjid Agung, Jl. KH. Wahid Hasyim, Jl. Ahmad Dahlan, and Jl. Pancasila was identified as a “Bike Line,” meaning the bicycle lane is located on the roadway itself and is demarcated by road markings, whereas Jl. P. Diponegoro.

Analisis Potensi Dan Implementasi Pembangkit Listrik Tenaga Surya (PLTS) Dalam Mendukung Sistem Transportasi Di Bali I Wayan Yudi Martha Wiguna; Aris Budi Sulistyo; Rahmat Ahmad; Hendrik Prasetyo
Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Vol. 13 No. 1 (2026): 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.v13i1.813

This study aims to investigate the potential and implementation of Solar Power Plants (SPP) in supporting the transportation system in Bali. As a region with high solar radiation and a tropical climate, Bali has significant potential to utilize solar energy as a source of electricity. However, the utilization of solar energy in Bali remains far below the average of countries that have widely adopted solar power technologies. This research employs a three-stage methodology consisting of field surveys, weather data modeling, and environmental impact analysis. Field surveys are conducted to collect solar radiation data from various locations in Bali, while weather data modeling using PVGIS is applied to estimate solar energy potential. Environmental impact analysis includes the evaluation of potential impacts on water, air, and soil resulting from the implementation of solar power plants, making the study comprehensive and holistic. The results of this study are expected to provide projections of the energy that can be generated by solar power plants in several regions of Bali. Furthermore, the implementation of solar power plants is expected to contribute to the reduction of CO₂ emissions. To encourage the development of solar power plants in Bali, supportive policies and regulations, as well as active participation from government institutions, investors, and local communities, are essential. With appropriate support, the development of solar power plants in Bali can become an effective solution to meet energy demands while promoting long-term energy and environmental sustainability.

Page 14 of 14 | Total Record : 135

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Setya Wijayanta

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Tegal

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INDONESIA

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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

Abstract

Abstract

Abstract

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