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All Journal Jurnal Transportasi International Journal on Advanced Technology, Engineering, and Information System (IJATEIS) Smart City Eduvest - Journal of Universal Studies
Kusuma, Andyka
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Aerospace Engineering Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Health Professions Industrial & Manufacturing Engineering Neuroscience Social Sciences Transportation

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Impact of Auxiliary Markings on Intersection Safety Franata, Mhd Tommy; Siregar, Martha Leni; Kusuma, Andyka
Smart City Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

The rapid growth of motorcycle vehicles coupled with inadequate traffic discipline contributes to an escalating rate of traffic accidents and casualties. This study investigates the efficacy of auxiliary road markings in enhancing traffic safety and intersection performance along Lieutenant Sutopo Street, Promoter Street, and Boulevard BSD East in South Tangerang, Indonesia. Employing the Traffic Conflict Technique (TCT), the research evaluates safety enhancements and service level alterations subsequent to the installation of road markings. Preliminary observations highlight significant safety concerns and traffic conflicts at the intersection. Consequently, auxiliary road markings are strategically installed to regulate driver behavior, enhance lane discipline, and improve visibility. Post-installation observations revealed a significant decrease in total vehicle conflicts, though the percentage of severe conflicts slightly increased. Initially rated as Level of Service (LOS) F with high delays, the LOS remained the same post-marking installation but with reduced delays. Further cycle time adjustments improved the LOS to E, indicating a substantial overall reduction in delays. The findings suggest that although auxiliary road markings effectively reduce traffic conflicts and improve intersection performance, additional measures are necessary to address the severity of these conflicts. The study offers valuable insights into the effectiveness of road safety interventions, supporting broader strategies for improving traffic management and safety in urban areas.
Mobility Index Towards Heritage Tourism Area, Case Study: Borobudur, Prambanan, And Ratu Boko Pungki Aji, Kurniawan; Kusuma, Andyka; Prih Raharjo, Efendhi
Smart City Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

Mobility has become a crucial factor in transportation management, especially in the tourism sector. It is a key indicator of the performance of transportation infrastructure and people's response to it. To evaluate mobility in tourist areas, there is a need for tools to represent its value. In this study, the concept of an index as a measure of performance is applied, gathering information into a simpler and more mutually agreeable form. The cultural heritage sites of Borobudur, Prambanan, and Ratu Boko are chosen as an ideal study location due to their popularity internationally. Given the limitations of previous research on mobility indexes in tourist areas, the Sustainable Urban Mobility Index (I_SUM) framework is used to develop the variables. To avoid bias, this study utilizes expert opinion methods to assess necessary and unnecessary variables in achieving the index. Eight individuals with expertise and experience in transportation and tourism are selected as respondents. Furthermore, the expert evaluation results are processed using the Content Validity Index (CVI). The outcome is 26 variables that meet the validation test out of a total of 32 previous variables, which are divided into five domains, covering accessibility, social aspects, transportation infrastructure, traffic cycle, and transportation systems.
DAMPAK PENYESUAIAN LAJUR KHUSUS KENDARAAN BERAT TERHADAP KINERJA LALU LINTAS Hasudungan, Jose Isai; Adwitiya, R. Ivan; Purnomo, Robby Yudo; Kusuma, Andyka
Jurnal Transportasi Vol. 23 No. 2 (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.v23i2.7360.114 - 123

Abstract

Traffic performance on the Narogong highway has problems with the desired speed of the highway, as a result of the large number of heavy vehicles that pass through the Narogong Highway, this study was conducted to see that moving heavy vehicles to the left lane can have a positive impact on road traffic performance. observed. Data processing uses microscopic simulations to get the desired road simulation, from this simulation calibration and validation are carried out first to get the existing simulation conditions similar to the observed conditions of the road section being reviewed. From the results of the existing conditions that have been validated, a simulation of the design road model is carried out to see if there are changes that affect the design made by the author. Based on the simulation results, it was found that moving heavy vehicles to the left lane had an impact on increasing the speed of other vehicles such as motorcycles and cars significantly. Therefore, it is necessary to add new policies about heavy vehicle. ABSTRAK Kinerja lalu lintas di jalan raya Narogong memiliki permasalahan dengan kecepatan yang diinginkan dari jalan raya tersebut, akibat dari banyaknya kendaraan berat yang melewati ruas jalan raya Narogong, Penelitian ini dilakukan untuk melihat pemindahan kendaraan berat ke lajur kiri dapat berdampak positif pada kinerja lalu lintas ruas jalan yang diamati. Pengolahan data menggunakan simulasi mikroskopis untuk mendapatkan simulasi jalan yang diinginkan, dari simulasi ini dilakukan kalibrasi dan validasi terlebih dahulu untuk mendapatkan kondisi simulasi eksisting yang mirip dengan kondisi observasi ruas jalan yang ditinjau. Dari hasil kondisi eksisting yang sudah divalidasi, dilakukan simulasi model jalan desain untuk melihat apakah ada perubahan yang berpengaruh dari desain yang dilakukan oleh penulis. Berdasarkan hasil simulasi ditemukan bahwa pemindahan kendaraan berat ke lajur sebelah kiri berdampak pada peningkatan kecepatan kendaraan lain seperti motor dan mobil secara signifikan, sehingga diperlukannya kebijakan yang baru untuk kendaraan berat.
ANALISIS WALKABILITY PADA KAWASAN STASIUN MANGGARAI MENUJU HALTE TRANSJAKARTA MANGGARAI Iswara, Khalisa Gina; Adwitiya, R. Ivan; Sumabrata, R. Jachrizal; Kusuma, Andyka
Jurnal Transportasi Vol. 23 No. 2 (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.v23i2.7361.124 - 134

Abstract

Walkability refers to the ease of walking in an area, considering factors like safety, comfort, and security due to the presence of interconnected pathways. In this study, an assessment of walkability was conducted from Manggarai Station to the Manggarai TransJakarta Bus Stop to evaluate the quality of the infrastructure for pedestrian. Data was collected through both on-site observations and the distribution of online through social meadia. Findings from the observations indicate that the walkability score for the path from Manggarai Station to the Manggarai TransJakarta Bus Stop is 68.5, categorizing as "waiting to walk/somewhat walkable." Several parameters received lower scores, including the availability of crosswalks, the presence of obstacles, security against crime, and facilities for individuals with disabilities. It's worth noting that the walkability parameter scores decreased, especially in terms of obstacles and security from crime, after the 5th switch-over at Manggarai Station, which coincided with a change in the KRL route. ABSTRAK Walkability merujuk pada kemudahan berjalan kaki di suatu area, yang mempertimbangkan faktor keamanan, kenyamanan, dan keselamatan karena adanya jaringan akses yang terhubung. Dalam studi ini, dilakukan penilaian walkability dari Stasiun Manggarai menuju Halte TransJakarta Manggarai untuk mengevaluasi kualitas infrastruktur pejalan kaki, terutama ketika terjadi pergantian moda dari KRL ke TransJakarta atau sebaliknya. Data dikumpulkan melalui observasi langsung dan penyebaran kuesioner secara online. Temuan dari observasi menunjukkan bahwa skor walkability untuk jalur dari Stasiun Manggarai ke Halte TransJakarta Manggarai adalah 68,5, yang menandakan kawasan tersebut tergolong sebagai "waiting to walk/ somewhat walkable." Beberapa parameter mendapatkan skor rendah, termasuk ketersediaan penyeberangan, kehadiran hambatan, keamanan dari kejahatan, dan fasilitas untuk penyandang disabilitas. Perlu dicatat bahwa skor parameter walkability menurun, terutama dalam hal hambatan dan keamanan dari kejahatan, setelah terjadi pergantian moda ke-5 di Stasiun Manggarai yang berdampak pada perubahan rute KRL.
Analysis of the Costs of Traffic Accidents in the City of Dili, Timor-Leste Guterres, Joao Antonio; Kusuma, Andyka; Siregar, Martha Leni
INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM Vol. 4 No. 2 (2025): MAY
Publisher : Transpublika Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55047/ijateis.v4i2.1837

Abstract

The Value of Statistical Life (VSL) of residents in Dili City, Timor-Leste is examined in this research using the Willingness to Pay (WTP) method to determine how the public values reducing the risk of fatal traffic accidents. Data collection involved conducting structured face-to-face interviews in various offices and schools. Each respondent was presented with three hypothetical traffic safety programs offering risk reductions of 20%, 50%, and 65%. The associated WTP amounts were USD 12, USD 15, and USD 20, respectively. VSL was computed by dividing WTP by the corresponding percentage of risk reduction. The data were further analyzed using a binary logistic regression model, executed in R Studio software, to estimate the probability of WTP based on socioeconomic variables such as gender, age, education level, occupation, income, and cost of the proposed intervention. The regression results demonstrated a statistically significant and negative relationship between the program’s cost and the willingness to pay, indicating that greater expenses lowered public acceptance. The average individual VSL was calculated at USD 524.83 for female respondents and USD 398.07 for males. Using official records of 102 traffic-related fatalities in Dili during the 2022–2024 period, the Social Value of Statistical Life (SVSL) was estimated at USD 17,830.70 for females and USD 13,524.02 for males. Based on these findings, six policy recommendations are proposed: improved road infrastructure, strengthened law enforcement, public safety education, clearer traffic signage, adequate street lighting, and enhanced pedestrian protection.
Analysis Of Transportation System Development In Transit-Oriented Development (TOD) Area Of Rawa Buntu, South Tangerang Saputro, Mohamad Ivan Aji; Kusuma, Andyka; Haryanto, Vian Marantha
Eduvest - Journal of Universal Studies Vol. 4 No. 7 (2024): Journal Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v4i7.1532

Abstract

This study examines Transit Oriented Development (TOD) in South Tangerang City, focusing on the Rawa Buntu TOD area. TOD aims to integrate public transportation modes with non-motorized networks, fostering sustainable mobility and reducing dependence on private vehicles. The research highlights the policy framework and infrastructural developments supporting TOD in South Tangerang, such as Regional Regulation No. 9 of 2019 and Mayor Regulation No. 118 of 2022. Employing mixed methods, including surveys, field observations, literature reviews, and spatial analysis, the study assesses the transportation system and infrastructure conditions. Results show that most roads in South Tangerang are in good condition, with significant movement patterns between key districts. Rawa Buntu Station, a strategic transit node, demonstrates robust integration with various transportation modes, serving approximately 11,000 passengers daily. The study concludes that Rawa Buntu TOD area boasts comprehensive transportation infrastructure and efficient services, enhancing urban connectivity and sustainability.
Co-Authors Adwitiya, R. Ivan Franata, Mhd Tommy Guterres, Joao Antonio Haryanto, Vian Marantha Hasudungan, Jose Isai Iswara, Khalisa Gina Jachrizal Sumabrata Martha Leni Siregar Prih Raharjo, Efendhi Pungki Aji, Kurniawan Purnomo, Robby Yudo Saputro, Mohamad Ivan Aji