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All Journal KERN RACIC : Rab Construction Research Jurnal Aplikasi Teknik Sipil Media Ilmiah Teknik Sipil Forum Mekanika Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil Journal of Social Science jurnal syntax admiration Nusantara Science and Technology Proceedings Journal of Civil Engineering Science & Technology (CI-TECH) AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) KERN : Jurnal Ilmiah Teknik Sipil Jurnal Talenta Sipil Envirotek : Jurnal Ilmiah Teknik Lingkungan Jurnal Konstruksi Journal of Civil Engineering and Technology Sciences Innovative: Journal Of Social Science Research Journal of Social Science Science and Education Journal Nusantara Journal of Multidisciplinary Science
Nugroho Utomo
Civil Engineering Department, Faculty Of Science And Technology, Universitas Pembangunan Nasional “Veteran”Jawa Timur. Indonesia
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Analysis Of The Implementation Of Road Safety On The Jombang-Kertosono Arterial Road Section Mia Nurul Imamah; Nugroho Utomo; Ibnu Sholichin
Journal of Social Science Vol. 4 No. 5 (2023): Journal of Social Science
Publisher : Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jss.v4i5.704

Abstract

According to data from the Jombang Regency Traffic Traffic Unit of December 2022, there were 114 cases of traffic accidents on the Jombang-Kertosono arterial road. Thus, an analysis of road safety is needed on this road section. The author analyzes the application of road safety using the IPA (Importance Performance Analysis) method, the EAN (Equivalent Accident Number) method, and geometric calculations of roads in accident-prone areas. Based on the analysis of the application of road safety using the IPA method, it is known that the main priority attributes in driving safety are traffic signs and road markings as well as sharp turns which are quite dangerous for motorists. Based on the analysis of accident-prone areas using the EAN method, it is known that STA 01+00 – 02+00 has the highest EAN score of 249 accidents. Based on the road geometric review, it is known that the stopping sight distance of STA 01+00 – 02+00 is 46.78 m which when compared to the standard stopping sight distance is not sufficient and is considered less safe. The value of the side freedom area according to the calculation analysis is 5.4 m which is greater than the available E value, which is 4 m, so it is considered less safe. There are 2 suggested bends using the Spiral-Circle-Spiral type and 2 Spiral-Spiral type bends where each of these bends requires widening the average road pavement width of 1 meter to reduce the risk of traffic accidents on bends due to adequate road width.
PENANGANAN SAMPAH DI BANDAR UDARA MENURUT STANDAR FAA (FEDERAL AVIATION ADMINISTRATION) Nugroho Utomo
Envirotek : Jurnal Ilmiah Teknik Lingkungan Vol. 11 No. 2 (2019): Envirotek: Jurnal Ilmiah Teknik Lingkungan
Publisher : Universitas Pembangunan Nasional Veteran Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/envirotek.v11i2.11

Abstract

Pengelolaan sampah di bandar udara sekarang ini dipandang sebagai suatu permasalahan lingkungan yang kritis dan menjadi hal yang sangat istimewa berkenaan dengan kenaikan jumlah penumpang secara signifikan berpengaruh terhadap volume sampah yang dihasilkan. FAA (Federal Aviation Administration) bersama EPA (Environmental Protection Agency) telah memberikan prosedur standar dalam menangani permasalahan sampah di fasilitas bandar udara. Pada prosedur ini dijelaskan secara spesifik tentang hal yang harus dipersiapkan dalam menangani sampah yang dihasilkan dari bandar udara baik pada sisi darat (landside) dan sisi udara (airside), yakni: i).Identifikasi terhadap sampah yang dapat dan tidak dapat ditangani secara langsung, ii). Lokasi-lokasi di area bandar udara yang berpotensi menghasilkan sampah terbesar, iii). Jenis sampah yang dihasilkan dari lokasi dalam bandar udara termasuk sampah kertas, plastik dan sebagainya, iv). Kuantitas atau jumlah sampah yang dihasilkan dari area kegiatan di dalam bandar udara, v). Identifikasi terhadap jenis sampah mana yang dapat dilakukan proses daur ulang (recycle), penggunaan kembali (reuse) dan pengurangan jenis sampah (reduce).
Analisa Kelayakan Tarif Kereta Api Ekonomi Lokal Rute Sidoarjo - Bojonegoro dengan Metode Willingness to Pay Syafrial Burhany; Nugroho Utomo; Ibnu Sholichin
Jurnal Syntax Admiration Vol. 4 No. 10 (2023): Jurnal Syntax Admiration
Publisher : Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jsa.v4i10.748

Abstract

Feasibility Analysis of Local Economy Train Fares for Sidoarjo - Bojonegoro Route with Willingness To Pay Method. This study aims to determine the fare that is in accordance with the Local Economy Train service on the Sidoarjo - Bojonegoro route. The demand for train travel between the two cities is high due to the high economic potential and individual mobility in Sidoarjo and Bojonegoro regencies. However, the Local Economy Train service is still not optimal with air conditioning problems, long travel routes, and uncomfortable seating facilities. The willingness to pay method was used in this study by considering passenger load factors, distance fares, and passenger satisfaction. The evaluation was carried out quantitatively and qualitatively on the services and fares of the Local Economy Train for the Sidoarjo - Bojonegoro route. The load factor in 2021 reached 74.83%, exceeding the load factor standard of 70%. Factors that affect people's willingness to pay rates include punctuality, information, schedules, rates, facilities, service quality, cleanliness, security, and safety. The respondents' assessment shows that the facilities and services of the Local Economy Railway are good. The value of willingness to pay on a trip with a fare of IDR 6,000 is IDR 7,219.44, while with a fare of IDR 12,000 it reaches IDR 12,321.2. The trip fare is based on operational costs of Rp 10,773 for a distance of 133 km. This research is expected to help PT. KCI improves services and determines the appropriate fare for the Local Economy Train service on the Sidoarjo - Bojonegoro route.
The Effect of Adding Teak Charcoal as a Filler on the Performance of the Asphalt Concrete-Wearing Course (AC-WC) Lucky Setyawan; Ibnu Sholichin; Nugroho Utomo
Journal of Civil Engineering and Technology Sciences Vol. 3 No. 2 (2024): October : Journal of Civil Engineering and Technology Sciences
Publisher : Faculty Of Engineering University 17 August 1945 Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56444/jcets.v3i2.1757

Abstract

The filler in asphalt concrete layers usually uses Portland cement, whose raw materials are limestone and clay, these resources are limited and cannot be renewed. Therefore, teak wood charcoal can be an alternative filler. Charcoal contains non-polar carbon compounds, such as asphalt, which have adhesive properties to hold different particles together. So, in this research, it is hoped that teak wood charcoal can be used as a filler in accordance with the General Specifications of Bina Marga 2018 Revision 2. This research uses variations in filler levels of 0%, 1%, 2%, 3% and 4%. Based on the Marshall test results, the optimum asphalt content value was 6.40% and the optimum filler content value was 0.58%. The addition of teak charcoal as a filler increases the stability, Marshall Quotient, VIM and VMA values, but reduces the flow and VFA values. In conclusion, the addition of teak charcoal as a filler to the AC-WC mixture can increase the strength of the road pavement, but excessive use can make the road pavement porous and damaged.
Analysis of Railway Service Levels Due to Double Track Construction at Sepanjang-Mojokerto Segment Fithri Estikhamah; Siti Zainab; Primasari Cahya Wardhani; Nugroho Utomo; Dian Purnamawati Solin
Nusantara Science and Technology Proceedings 8th International Seminar of Research Month 2023
Publisher : Future Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/nstp.2024.4157

Abstract

Railways in Indonesia still show problems, such as time delays. To make train services in Indonesia better, government efforts are needed, one of which is the development of new infrastructure, such as the construction of a double-track train such as Sepanjang to Mojokerto segment. So it is necessary to analyze the level of service both in existing conditions and after construction. The analysis was carried out in two conditions, namely, full single track and full double track. For full double-track reference, a simulation is carried out with an auxiliary program, namely the Railway Operation Simulator (ROS). By entering data in the form of station layouts, train facilities, and signaling systems and blocks. Based on the analysis results, it shows that the double track in the Sepanjang-Mojokerto segment affects the level of service. The prediction of service levels for the Sepanjang-Mojokerto segment shows that three road plots have LoS A. So, overall, with the construction of the double track, this segment is operating below capacity and has low traffic.
Analysis Of The Implementation Of Road Safety On The Jombang-Kertosono Arterial Road Section Mia Nurul Imamah; Nugroho Utomo; Ibnu Sholichin
Journal of Social Science Vol. 4 No. 5 (2023): Journal of Social Science
Publisher : Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jss.v4i5.704

Abstract

According to data from the Jombang Regency Traffic Traffic Unit of December 2022, there were 114 cases of traffic accidents on the Jombang-Kertosono arterial road. Thus, an analysis of road safety is needed on this road section. The author analyzes the application of road safety using the IPA (Importance Performance Analysis) method, the EAN (Equivalent Accident Number) method, and geometric calculations of roads in accident-prone areas. Based on the analysis of the application of road safety using the IPA method, it is known that the main priority attributes in driving safety are traffic signs and road markings as well as sharp turns which are quite dangerous for motorists. Based on the analysis of accident-prone areas using the EAN method, it is known that STA 01+00 – 02+00 has the highest EAN score of 249 accidents. Based on the road geometric review, it is known that the stopping sight distance of STA 01+00 – 02+00 is 46.78 m which when compared to the standard stopping sight distance is not sufficient and is considered less safe. The value of the side freedom area according to the calculation analysis is 5.4 m which is greater than the available E value, which is 4 m, so it is considered less safe. There are 2 suggested bends using the Spiral-Circle-Spiral type and 2 Spiral-Spiral type bends where each of these bends requires widening the average road pavement width of 1 meter to reduce the risk of traffic accidents on bends due to adequate road width.
Performance Analysis of Unsignalized Intersections Based on PKJI 2023 (Case Study: Imam Bonjol – Taman – Waru Road, Sidoarjo) Lisa Vatma Ningsih; Nugroho Utomo; Aulia Dewi Fatikasari
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 10 No. 2 (2026)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v10i2.1024

Abstract

The growth of population and motorized vehicles in Sidoarjo Regency has led to an increase in traffic volume, which impacts the performance of intersections, particularly unsignalized intersections. This study aims to analyze the performance of the unsignalized intersection at Jalan Imam Bonjol – Taman – Waru based on the Indonesian Highway Capacity Manual (PKJI) 2023 and to propose improvement strategies. The research method involves field surveys using manual traffic counting conducted over three days during peak hours, including data on traffic volume, intersection geometry, and vehicle characteristics. The analysis covers traffic volume, intersection capacity, and degree of saturation (DS). The results show that the existing condition has a DS value of 0.86 with an average delay of 14.71 seconds/pcu, indicating that the intersection is operating under saturated conditions and does not meet the acceptable standard (DS < 0.85). Therefore, an improvement strategy is proposed by converting the intersection into a signalized intersection with a three-phase system. The results indicate a significant improvement, with the DS decreasing to 0.61, resulting in a more stable, efficient, and controlled traffic condition. Thus, the implementation of traffic signals is recommended to improve performance, traffic flow, and safety at the study location. Contribution to Sustainable Development Goals (SDGs):SDG 3: Good Health and Well-being:SDG 9: Industry, Innovation, and Infrastructure:SDG 11: Sustainable Cities and CommunitiesSDG 12: Responsible Consumption and Production
Analisis Kelayakan Tarif Transportasi Laut Dengan Metode ATP dan WTP : Studi Kasus: Kapal Cepat Express Bahari Rute Bawean – Gresik Isnaina Safarela; Nugroho Utomo; Fithri Esthikamah
Jurnal Konstruksi Vol 24 No 1 (2026): Jurnal Konstruksi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/konstruksi/v.24-1.2857

Abstract

Transportasi laut menjadi sarana utama yang sangat penting dalam memperkuat hubungan antar daerah di Indonesia, terutama bagi daerah kepulauan seperti Pulau Bawean. Salah satu layanan angkutan laut yang melayani rute Bawean–Gresik adalah Kapal Cepat Express Bahari. Penetapan tarif pada moda ini perlu memperhatikan keseimbangan antara kemampuan ekonomi dan kemauan membayar dari penumpang. Penelitian ini bertujuan untuk menganalisis kelayakan tarif menggunakan metode Ability To Pay (ATP) dan Willingness To Pay (WTP). Metode penelitian yang digunakan adalah survei kuisioner terhadap 100 penumpang Kapal Cepat Express Bahari, yang datanya dietelaah dengan pendekatan kuantitatif. Hasil yang diperoleh menunjukkan rata-rata ATP penumpang adalah Rp202.565,00, sedangkan rata-rata WTP sebesar Rp191.457,00. Nilai ATP lebih tinggi dari tarif saat ini sebesar Rp200.000,00, yang berarti penumpang memiliki kemampuan membayar tarif yang berlaku. Namun, WTP lebih rendah dari tarif eksisting, menunjukkan adanya ketidaksesuaian antara persepsi harga dan tarif aktual. Dengan demikian, meskipun secara ekonomi tarif masih terjangkau, perlu dilakukan evaluasi untuk memastikan tarif sesuai dengan nilai yang dirasakan oleh pengguna. Penelitian ini mendukung perumusan tarif transportasi laut yang adil dan berkelanjutan di wilayah kepulauan.
ANALISIS WILLINGNESS TO PAY KERETA API KOMUTER SIDOARJO - INDRO Hafizhudin Alfin Putra Yuwanto; Nugroho Utomo; Fithri Estikhamah
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4212

Abstract

The high level of economic activity and population density has resulted in Surabaya City, Gresik Regency, and Sidoarjo Regency experiencing a high level of community mobility, necessitating good public transportation services. Therefore, on February 10, 2021, PT. Kereta Api Indonesia (Persero) Regional Operation 8 Surabaya initiated passenger train services in Gresik Regency by operating the Commuter Train with the route from Indro Station (Gresik) to Sidoarjo Station. This study aims to determine a fare that is suitable for the Commuter Train service from Sidoarjo to Indro using the willingness to pay (WTP) method. Based on the research findings, the willingness to pay value for the Sidoarjo-Indro Commuter Train journey with the existing fare of Rp 5,000 is Rp 7,700. Therefore, the current fare is deemed appropriate, and it can still be increased with improvements in facilities and services.
STUDI PROBABILITAS PEMILIHAN KERETA API PREMIUM SANCAKA (KA 97) DAN KERETA API PREMIUM MUTIARA SELATAN (KA 85) RUTE SURABAYA - YOGYAKARTA Yoan Anjar Rinzani; Nugroho Utomo; Fithri Estikhamah
Racic : Rab Construction Research Vol. 9 No. 2 (2024): DESEMBER
Publisher : LPPM Universitas Abdurrab

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36341/racic.v9i2.4247

Abstract

The train is a mode of transportation that continues to experience improvements in its services. PT. KAI has implemented the latest service, where all trains are equipped with air conditioning facilities. With these changes, each mode of transportation, particularly the Premium Sancaka Train and the Premium Mutiara Selatan Train, displays differences in characteristics such as ticket prices, travel time, and departure schedules. This study specifically selects the Premium Sancaka Train and the Premium Mutiara Selatan Train due to their closely scheduled departures. Therefore, the objective of this research is to determine the probability of train selection, necessitating a study related to factors that will be analyzed by distributing questionnaires and utilizing the Stated Preference method. From this study, significant results have been obtained regarding the likelihood of mode selection based on a ticket price difference of Rp. 20,000. The probability values for the Premium Sancaka Train (PKAS) and Premium Mutiara Selatan Train (PKAM) are 0.808 and 0.192, respectively. It can be concluded that respondents have a higher interest in the Premium Sancaka Train due to its lower ticket price. On the other hand, the probability of mode selection based on a travel time difference of -6 minutes shows values of 0.891 for PKAS and 0.109 for PKAM. Therefore, it can be concluded that respondents are more interested in the Premium Sancaka Train because it has a faster travel time
Co-Authors Abdurrosid Salim Achmad Bastomy Ibrahim Achmad Dzulfiqar Alfiansyah Adam Niestera Mahajana Afrizal Ghozi Habibi Aulia Dewi Fatikasari Aulia Dewi Fatikasari Aulia Dewi Fatikasari Believa Satria Wicasa Cahya Rafiyoga Harnan Davin Ryan Hafizha Decynthia Wibowo Devira Hernita Putri Dian Purnamawati Solin Dzulfiqar Alfiansyah Efristka Anggraeny Fauzan Rokhimi Fithri Esthikamah Fithri Estikhamah fithri estikhamah Fitri Sri Rizki Yasin Hafidz Syayid Abdillah Hafizhudin Alfin Putra Yuwanto Hendrata Wibisana Himawan Ario Wicaksono Ibnu Sholichin Ibnu Sholichin Ibnu Sholichin Ibnu Sholichin Ibnu Sholichin Ibnu Sholichin Isnaina Safarela Iwan Wahjudijanto Izzul Muhamad Hasyir Rachman Jasmyne Jelita Arum Joshua Leadika Kevin Prawira Khoirus Syahira Leny Jely Anggraini Lisa Vatma Ningsih Lucky Setyawan Maulana Riezal Pratama Mia Nurul Imamah Mochammad Choirusydhia Pratama Mohamad Andre Firmansyah Putra Nevia Rizkyning Utami Praswidi Wiradiansyah Primasari Cahya Wardhani R Adam Sulaiman Raden Raynaldi Meidianto Salman Rasendriya Shofi Qurrota’ayun Azzahro Siti Zainab Syafira Salsabilla Syafrial Burhany Yasmine Anisatul Lutfiah Yoan Anjar Rinzani