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All Journal IPTEK Journal of Proceedings Series Jurnal Transportasi Jurnal Sains Dan Teknologi Lingkungan Prosiding Forum Studi Transportasi Antar Perguruan Tinggi Jurnal Sains & Teknologi Lingkungan Jurnal Rekayasa Sipil dan Lingkungan Simposium II UNIID 2017 Jurnal Aplikasi Teknik Sipil INTECOMS: Journal of Information Technology and Computer Science Smart City Makara Journal of Technology Eduvest - Journal of Universal Studies Berkala Forum Studi Transportasi antar Perguruan Tinggi Warta Penelitian Perhubungan
Jachrizal Sumabrata
Fakultas Teknik, Universitas Indonesia, Indonesia
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Materials Science & Nanotechnology Mechanical Engineering Neuroscience Social Sciences Transportation Other

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Sources of Funds in Light Rail Transit Financing Wuri Anny Yumantini; Ayomi Dita Rarasati; Jachrizal Sumabrata
IPTEK Journal of Proceedings Series No 5 (2017): Simposium I Jaringan Perguruan Tinggi untuk Pembangunan Infrastruktur Indonesia (2016)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (214.477 KB) | DOI: 10.12962/j23546026.y2017i5.3171

Abstract

The construction of Light Rail Transit (LRT) infrastructure requires a large amount of funding, larger than the existing Regional Budget (APBD), and therefore requires a funding scheme with high financial feasibility to cover this financial gap. This research is aimed at identifying and determining suitable sources and their respective proportion for such scheme using secondary data from literature study and records on the capacity of funding sources, and primary data from in-depth interviews, descriptive analysis and analysis on the capacity of each funding source. It is expected that the result of this research can identify feasible sources of funding and their proportion to be applied in the construction of LRT. 
Studi Bangkitan Perjalanan pada Pusat Perbelanjaan Jenis Minimarket yang Dilengkapi dengan Restoran Frans JSS Sihombing; Nahry Nahry; R Jachrizal Sumabrata
Jurnal Aplikasi Teknik Sipil Vol 11, No 1 (2013)
Publisher : Departemen Teknik Infrastruktur Sipil Institut Teknologi Sepuluh Nopember Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (246.461 KB) | DOI: 10.12962/j12345678.v11i1.2598

Abstract

Perubahan gaya hidup manusia di kota-kota besar, termasuk Jakarta, saat ini menunjukkan adanya fenomena baru dimana tempat untuk melakukan pertemuan informal berpindah dari tempat kerja, café atau restoran ke mini-market yang dilengkapi dengan restoran (minimarket resto). Hal ini mengakibatkan tumbuh dengan pesatnya minimarket jenis ini di berbagai lokasi, termasuk di jalan-jalan utama di pusat kota. Di beberapa wilayah minimarket ini telah memberikan dampak negatif terhadap arus lalu lintas di sekitarnya. Studi ini dimaksudkan untuk menganalisa perjalanan yang dibangkitkan oleh minimarket jenis ini yang berlokasi di pusat bisnis di kota Jakarta. Perjalanan dikelompokkan atas perjalanan orang, perjalanan motor dan perjalanan mobil. Data perjalanan diperoleh melalui perekaman selama 12 jam menggunakan CCTV di 7 minimarket yang menjadi studi kasus. Selain itu juga dilakukan penyebaran kuesioner terhadap pengunjung minimarket yang ada di lokasi, dan juga penyebaran kuesioner melalui internet. Kuesioner dimaksudkan untuk mengkonfirmasi variabel-variabel yang mempengaruhi bangkitan perjalanan mini market ini. Selanjutnya data dianalisa menggunakan metode regresi linear berganda. Hasil pemodelan menunjukkan bahwa tarikan perjalanan orang dipengaruhi oleh luas ruang parkir dan jumlah mesin ATM, sementara bangkitan perjalanan motor dipengaruhi oleh jumlah kursi di dalam minimarket dan jumlah jenis produk yang ditawarkan. Selanjutnya, bangkitan perjalanan mobil dipengaruhi oleh luas ruang parkir.
Tolerance Limit for Trucks with Excess Load in Transport Regulation in Indonesia Hadiwardoyo, Sigit Pranowo; Sumabrata, Raden Jachrizal; Berawi, Mohammed Ali
Makara Journal of Technology Vol. 16, No. 1
Publisher : UI Scholars Hub

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Abstract

Reliability of a road is mandatory since damaged will impede the traffic. Destruction is caused by various factors; one of the most important factors is excess load. Overload may give the load of each axle of a vehicle exceeds the determined standard. This condition occurs in trucks exceeding the load limit. In designing the structure of a road based on the method of Directorate General of Highways Ministry of Public Works of the Republic of Indonesia, axle load calculated in equivalent-number, or known as equivalent axle load (EAL), of 8.16 tons of standard axle. Total equivalent-number over the service life is defined as cumulative equivalent standard axle load (CESA). Due to traffic volume exceeding the volume forecast or, in other words there is an excessive load of traffic, it will make CESA achieved faster than planned. This excessive load in Indonesia, however, has been considered as a factor of environmental condition, so there is a need to introduce a correction factor for EAL as high as 20-25% in the process of designing flexible and rigid pavement so as to reduce early damage.
Simulasi Penerapan Kebijakan Sistem Transportasi Perkotaan Menggunakan Software Pluto Kartika Puspa Dewi; Jachrizal Sumabrata
INTECOMS: Journal of Information Technology and Computer Science Vol 6 No 1 (2023): INTECOMS: Journal of Information Technology and Computer Science
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/intecoms.v6i1.6125

Abstract

Suatu kota dapat berkembang apabila sistem transportasinya bisa berfungsi secara optimal, karena sistem transportasi merupakan motor penggerak perekonomian di suatu kota. Agar sistem transportasi dapat berfungsi secara optimal, maka permasalahan-permasalahan terkait sistem transportasi harus bisa diatasi. Untuk mengatasi permasalahan tersebut, dibutuhkan peran para perencana kota untuk bisa merencanakan sistem transportasi dengan baik di suatu kota dan juga peran pemerintah untuk memberikan kebijakan-kebijakan yang mampu mengatasi permasalahan yang ada. Untuk melatih kemahiran para perencana dalam merencanakan suatu sistem transportasi perkotaan maka University of Leeds mengembangkan sebuah software yang bernama PLUTO sebagai tools. Penelitian ini bertujuan untuk mensilmulasikan penerapan kebijakan di Kota Hipotesis Plutopia dengan sasaran mewujudkan keadilan dan kesetaraan sosial di Kota Plutopia melalui pengembangan sistem transportasi yang efisien dan ramah lingkungan. Penelitian ini menggunakan software PLUTO sebagai tools untuk simulasi dengan menerapkan tiga kebijakan utama selama lima tahun, yaitu layanan bus, pengelolaan lalu lintas dan pembatasan, serta pengendalian lalu lintas dan keselamatan. Evaluasi dilakukan terhadap kebijakan yang diterapkan dengan menggunakan indikator seperti biaya penggunaan kendaraan pribadi, biaya penggunaan angkutan umum, tingkat kecelakaan, dan kondisi lingkungan. Hasil analisis dan evaluasi menunjukkan bahwa kebijakan tersebut memiliki potensi untuk meningkatkan mobilitas, mengurangi kemacetan, meningkatkan keamanan jalan, dan memperbaiki kondisi lingkungan di Kota Plutopia. Penelitian ini memberikan wawasan bahwa tidak semua kebijakan dapat diterapkan, untuk menerapkan kebijakan transportasi di suatu kota harus memilih kebijakan yang sesuai dengan kota tersebut.
The Distribution of Schools Not Served by BRT Trans Semarang in Semarang City Sari, Nanda Iryani Intan; Soehodho, Sutanto; Sumabrata, R. Jachrizal
Smart City Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

For developing countries, the implementation of sustainable transportation systems is crucial to involve substantial investments. Mobility in Indonesia can have an impact on both origin and destination areas. This research aims to determine the distribution of schools that are not served in the city of Semarang. Consequently, an identification can be made to formulate a recommendation for the development of operational routes for the BRT Trans Semarang to enhance connectivity between other transportation modes on routes with high demand. A quantitative descriptive analysis was performed to assess BRT Trans Semarang through utilizing government documents, news, and official websites, followed by interviews, FGD, and direct surveys with BRT users and providers. It is known that there are a number of schools that are not served in 16 districts of the city of Semarang, namely Semarang West (51), Semarang South (25), Semarang Central (41), Semarang East (36), Semarang North (40), Banyumanik (49), Tembalang (36), Gunung Pati (16), Pedurungan (50), Gajah Mungkur (31), Mijen (26), Candisari (21), Tugu (14), Gayamsari (25), Ngaliyan (27), and Genuk (29). Feeder Route 3 is popular but has limited capacity. 79.20% of respondents support extending BRT routes to their schools.
Study of Factors Influencing Traffic Violations in Jakarta: Perspective of the Theory of Planned Behavior (TPB) in the Implementation of Electronic Traffic Law Enforcement (ETLE) Ruci, Khobat Dewa; Soehodho, Sutanto; Sumabrata, R. Jachrizal
Smart City Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

Transportation safety in Indonesia reflects its culture and modernity, but the high rate of traffic accidents indicates significant challenges. Data from IRSMS and Polda Metro Jaya reveal an increase in accidents and traffic violations, reinforcing the need for effective law enforcement. The implementation of ETLE, supported by Law No. 22 of 2009 on Road Traffic and Transportation and Law No. 19 of 2016 on Electronic Information and Transactions, is a strategic effort to improve law enforcement. However, its effectiveness in Jakarta context still requires in-depth evaluation. This thesis focuses on the psychological factors in the use of ETLE using the Theory of Planned Behavior. The analysis results show that factors such as self-confidence, anxiety, and influence of other drivers significantly contribute to the tendency of violations. With a beta coefficient of 0.029 and a t-statistic of 15.776, a holistic approach to road safety is required, involving infrastructure, law enforcement, driving education, and psychological aspects, to achieve the WHO target of reducing accidents by 50% in the Decade of Action for Road Safety 2021-2031.
Gender-Based Service Quality Evaluation of Multimodal Public Transportation in DKI Jakarta Owais, Mohammad; Sumabrata, Jachrizal; Yusuf, Nahry
Smart City Vol. 4, No. 2
Publisher : UI Scholars Hub

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Abstract

In DKI Jakarta, despite the extensive infrastructure development, there has been a significant decline in the usage of public transportation. This can be attributed to the inadequate quality of the services provided. Various studies have highlighted the significance of evaluating the quality of service in public transportation to ensure passenger satisfaction and attract new users. However, there is no agreement on the most effective methodology and suitable indicators for conducting such analyses. In addition, there is a growing recognition of the importance of promoting gender equality in multimodal public transportation (MMPT) and understanding gender differences and perceptions of MMPT services. A case study was carried out in DKI Jakarta, the capital of Indonesia, to analyse the influential indicators of the quality of MMPT. The analysis used the Importance Performance Analysis (IPA) combined with the Tarrant and Smith procedure. These indicators greatly impact the perception of MMPT services for both genders. Safety against crimes, facilities for disabled people, pregnant women, and senior citizens, announcements in the required language, clarity in travel-related information, and availability of seats inside vehicles are the most influential indicators of the quality of the services. However, there are significant differences in how women and men perceive the importance and performance of indicators related to seating availability, coordination between transport operators, and passenger information.
Otomasi ULFJ Margonda Raya Sebagaimana Diatur Melalui Permen PUPR Tentang ULFJ dengan Menggunakan Algoritma Aplikasi Ms. Excel Sumabrata, Jachrizal; Parlambang, Satria Adipradana; Adwitiya, R Ivan
Jurnal Rekayasa Sipil dan Lingkungan Vol 7 No 1 (2023): Jurnal Rekayasa Sipil dan Lingkungan
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jrsl.v7i1.36612

Abstract

One of the leading causes of death on earth is traffic accidents. Traffic accidents occur for many reasons. One reason is the condition of the road itself. Depok is a sub-urban area of Greater Jakarta that has the Margonda Highway as one of its main roads. That highway has become strategic as a "backbone" in supporting the wheel of economics and societies in Depok’s civilization. Road Function Compliance Evaluation (RFCE) is a process of evaluating the compliance of a road component to the standards that have been made by authorities for safety reasons to avoid traffic accidents. Therefore, a road’s compliance should be evaluated periodically to minimize the possibility of traffic accidents. Up to this moment, RFCE is still executed by filling out a form manually. In this technological era, it seems that RFCE should be implemented into an automation application using an algorithm. ABSTRAK Penyebab utama kematian dunia salah satunya adalah disebabkan oleh kecelakaan lalu lintas. Faktor lingkungan seperti kondisi ruas jalan dapat menjadi pengaruh terjadinya kecelakaan lalu lintas. Sebagai salah satu daerah penyangga DKI Jakarta, Kota Depok memiliki salah satu akses jalan utama yaitu Jalan Margonda. Jalan tersebut merupakan salah satu tulang punggung dari kehidupan bermasyarakat serta menjadi penunjang bagi roda sosial dan perekonomian warga Kota Depok. Uji Laik Fungsi Jalan (ULFJ) merupakan pengujian atas syarat-syarat terkait suatu ruas jalan untuk memastikan bahwa jalan tersebut sudah layak untuk digunakan oleh pengendara dengan mementingkan aspek keselamatan. Oleh karena itu suatu jalan perlu untuk diuji tingkat kelayakannya secara berkala demi memastikan keamanan berkendara dan meminimalisir terjadinya kecelakaan. Evaluasi ULFJ sampai saat ini masih menggunakan pengisian formulir secara manual. Pada zaman dimana teknologi telah berkembang pesat, tentu dirasakan bahwa perlu adanya aplikasi otomasi untuk melakukan evaluasi ULFJ menggunakan algoritma.
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.
ANALISIS TINGKAT PELAYANAN PEJALAN KAKI BERDASARKAN KARAKTERISTIK PEJALAN KAKI DAN KINERJA INFORMASI PENUMPANG PADA STASIUN DUKUH ATAS Raflipasya, Muhammad Abyan; Adwitiya, R. Ivan; Sumabrata, Jachrizal
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.v1i3.618

Abstract

Dukuh Atas Station area is a place where the Transit Oriented Development concept was developed. To maximize the TOD, good pedestrian facilities are needed. The purpose of the study was to analyze the level of pedestrian service, characteristics, and passenger information in the Dukuh Atas Station area. This type of research was conducted with a quantitative approach. The independent variables of this study were pedestrian time and pavement dimensions. The dependent variables of this study are speed, flow, density, pedestrian space, and level of service. The method of collecting data is by means of a field survey to measure the dimensions of the sidewalk and record pedestrian movements for 1 hour in the morning and 1 hour in the afternoon 1 location. Data processing is calculating pedestrian speed, flow, density, pedestrian space. The results of this study are the level of pedestrian service in the Dukuh Atas Station area. ABSTRAK Kawasan Stasiun Dukuh Atas merupakan tempat yang dikembangkan konsep Transiet Oriented Development. Untuk memaksimalkan TOD, dibutuhkannya fasilitas pejalan kaki yang baik. Tujuan penelitian untuk menganalisis tingkat pelayanan pejalan kaki, karakteristik, dan informasi penumpang pada kawasan Stasiun Dukuh Atas. Jenis penelitian ini dilakukan dengan pendekatan kuantitatif. Variabel bebas penelitian ini adalah waktu pejalan kaki dan dimensi trotoar. Variabel terikat penelitian ini adalah kecepatan, arus, kepadatan, ruang pejalan kaki, dan tingkat pelayanan. Metode pengumpulan data dengan cara survei lapangan untuk mengukur dimensi trotoar dan merekam pergerakan pejalan kaki selama 1 jam pada pagi hari dan sore hari pada 3 lokasi, lalu dilanjutkan dengan perhitungan kecepatan dan jumlah pejalan kaki berdasarkan rekaman yang sudah didapat. Selanjutnya, dilakukan identifikasi terhadap informasi penumpang yang tersedia pada lokasi penelitian. Pengolahan data dilakukan dengan menghitung kecepatan pejalan kaki, arus, kepadatan, ruang pejalan kaki. Hasil penelitian ini adalah tingkat pelayanan pejalan kaki pada kawasan Stasiun Dukuh Atas.
Co-Authors A.A. Ketut Agung Cahyawan W Adwitiya, R Ivan Adwitiya, R. Ivan Ahmad Syahri Mubarok, Ahmad Syahri Alan Marino Fadhil Muhammad Fajri Frans JSS Sihombing Gabriel Andari Kristanto Ilma Alyani, Ilma Iswara, Khalisa Gina Ivan Fauzan, Ivan Kartika Puspa Dewi Kusuma, Andyka Martha Leni Siregar Maulana Gituri Maulana Ichsan Gituri, Maulana Ichsan Moh. Fikri Makarim, Moh. Fikri Mohammed Ali Berawi Muhammad Safarudin Surya, Muhammad Safarudin Nahry Nahry Owais, Mohammad Parlambang, Satria Adipradana Pradipta, Arya Raflipasya, Muhammad Abyan Raihan Alisha Nabila Rarasati, Ayomi Dita Ridha, Mujib Ruci, Khobat Dewa Sari, Nanda Iryani Intan Sigit P. Hadiwardoyo Simanjuntak, Windy Aprilia Siti Kurnia Astuti Siti Kurnia Astuti, Siti Kurnia Sultan Rianto Sutanto Soehodho Tri Tjahjono Wuri Anny Yumantini