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All Journal Majalah Forum Teknik UGM Inersia : Jurnal Teknik Sipil dan Arsitektur Jurnal Teknosains Jurnal Transportasi Journal of Engineering and Technological Sciences Semesta Teknika Teknisia Journal of the Civil Engineering Forum Simposium II UNIID 2017 Syntax Literate: Jurnal Ilmiah Indonesia Civil Engineering Dimension Conference SENATIK STT Adisutjipto Yogyakarta Jurnal Aplikasi Teknik Sipil Jurnal Manajemen Aset Infrastruktur dan Fasilitas Astonjadro Warta Penelitian Perhubungan Jurnal Pariwisata Terapan Jurnal Ilmiah Rekayasa Sipil Jurnal Keselamatan Transportasi Jalan (Indonesian Journal of Road Safety) Jurnal Darma Agung Bandar: Journal of Civil Engineering Journal of Civil Engineering and Planning (JCEP) International Journal of Social Service and Research Jurnal Penelitian Sekolah Tinggi Transportasi Darat Proceedings Series on Physical & Formal Sciences Jurnal Transportasi Multimoda Jurnal Rivet: Riset dan Invensi Teknologi Journal of Railway Transportation and Technology Jurnal Keselamatan Transportasi Jalan Jurnal Penelitian Transportasi Darat Warta Penelitian Perhubungan

Siti Malkhamah

Unknown Affiliation

Author-ID : 313277

Aerospace Engineering Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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PENGEMBANGAN METODE PREDIKSI PROBABILITAS KECELAKAAN PADA SUATU RUAS JALAN ANTARKOTA BERDASARKAN KONDISI GEOMETRIK JALAN DAN KARAKTERISTIK LALU LINTAS Idalin, Fransiska; Malkhamah, Siti; Suparma, Latif Budi
Jurnal Transportasi Vol 18, No 2 (2018)
Publisher : Jurnal Transportasi

AbstractÂ Accident data is very important to figure out the number of accidents that occur on the road segment in some periods of time. If accident data is not available, another method is needed to determine the frequency of accidents, with the frequency of accidents replaced by a prediction of accident probability. Based on the literatures, it is found that the predictions of accident probabilities can be done based on the geometric conditions of the road and traffic characteristics. The probability values are obtained from the calculation of the percentage of the total score on the location of the road. The score is given based on the magnitude of the existing condition deficiency against the specified standard or criteria, with a score of 1 for conditions that are in accordance with the standard, while a score of 5 for the conditions that are not in accordance with the standards. Predictor parameters for 2 lane 2 ways undivided rural road are lane width (m), lane widening on curve, shoulder width, shoulder type, stopping sight distance, passing sight distance, radius of curve, maximum superelevation, tangent length between 2 curves, the present of transition curve, curve radius ratio of 2 adjacent curves, maximum length of tangent, grade (%), maximum length of grade, side slope, clear zones, hazards type, lighting, signings and markings, driveways density (number/km), proportion of heavy vehicles (%), volume of pedestrians (person/day), special alignment combinations and the differences between operating speed (V85) and speed limit (Vlimit). From this method would be generated 5 accident probabilities categories which are âvery smallâ, âsmallâ, âmediumâ, âbigâ and âvery bigâ.Â Keywords: traffic accident, accidents frequency, accident probability, road geometricÂ Â AbstrakÂ Data kecelakaan sangat penting untuk mengetahui jumlah kecelakaan yang terjadi pada segmen jalan untuk jangka waktu tertentu. Jika data kecelakaan tidak tersedia, diperlukan metode lain untuk mengetahui frekuensi kecelakaan, dengan frekuensi kecelakaan digantikan dengan perkiraan probabilitas kecelakaan. Berdasarkan literatur diperoleh bahwa prediksi probabilitas kecelakaan dapat dilakukan berdasarkan kondisi geometrik jalan dan karakteristik lalu lintas. Nilai probabilitas diperoleh dari hasil perhitungan persentase total skor pada lokasi ruas jalan. Pemberian skor dilakukan berdasarkan besarnya defisiensi kondisi eksisting terhadap standar atau kriteria yang ditentukan, dengan skor 1 untuk kondisi yang sesuai standar, sedangkan skor 5 untuk kondisi yang paling tidak sesuai standar. Parameter predictor adalah lebar lajur, pelebaran lajur pada tikungan, lebar bahu, tipe bahu, jarak pandang henti, jarak pandang mendahului, jari-jari tikungan, super-elevasi maksimum, panjang tangent di antara 2 tikungan, keberadaan lengkung peralihan, rasio jari-jari 2 tikungan berdekatan, panjang tangent maksimum, kelandaian (%), panjang landai, side slope, clear zone (m), jenis hazard, penerangan jalan, rambu dan marka jalan, driveways density (jumlah/km), proporsi kendaraan berat (%), volume pejalan kaki (orang/hari), kombinasi alinyemen khusus, serta selisih kecepatan operasional (V85)dari Vlimit. Dihasilkan 5 katagori probabilitas, yaitu âsangat kecilâ, âkecilâ, âsedangâ, âbesarâ, dan âsangat besarâ.Â Kata-kata kunci: kecelakaan lalu lintas, frekuensi kecelakaan, probabilitas kecelakaan, geometrik jalan

Use of Systematic Approach in Accident Risk Analysis for Motorcyclists: A Conceptual Idea da Costa, Don Gaspar Noesaku; Malkhamah, Siti; Suparma, Latif Budi
Journal of Engineering and Technological Sciences Vol 50, No 5 (2018)
Publisher : ITB Journal Publisher, LPPM ITB

Thus far, minimum stopping sight distance (SSD) is determined based on design speed, a minimum reaction time of 1.64 s and a deceleration rate of 3.4 m/s², whereas in certain situations the latter can be shorter than 1 s and higher than 4.5 m/s². Awareness of this can trigger speculative behavior, as can be seen from the choice of speed and/or the critical crossing gap, which is often smaller than the recommended minimum SSD. This study focused on the development of an appropriate minimum SSD model that is suited to risky conditions at an un-signalized intersection and its possible usage in accident risk evaluation, particularly for motorcyclists. The data were taken from direct measurements and related studies. Variables that potentially influence minimum SSD were tested. The results strongly suggest that the speed reduction achieved by downshifting significantly influences both the braking distance and the impact speed. Moreover, the minimum SSD obtained from the proposed model significantly differs from that obtained from a similar model recommended by AASHTO. Therefore, it is worthwhile to consider the application of the proposed minimum SSD as an accident probability indicator parameter.

Peran Teknologi Untuk Revitalisasi Bandara Dan Transportasi Udara Malkhamah, Siti; Sartono, Wardhani
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto

Sebagian Bandara di Indonesia dibangun untuk kepentingan Pertahanan dan Keamanan. Bandara tersebut dibangun dengan sistem pelapisan berorientasi lapis permukaan (bukan lapis pondasi/base). Saat bandara di design, traffic-nya sangat berbeda dengan traffic pada saat digunakan dari sisi ukuran maupun frekuensi. Sebagian besar bandara di Indonesia dibangun secara bertahap dengab segmentasi perkerasan yang berbeda. Sebagian dibangun diatas tanah lunak, dengan kapasitas daya dukung yang sangat rendah. Sebagai contoh APT Pranoto Samarinda, H. Asam Sampit, Juanda Surabaya, dll. Sebagian dibangun di pegunungan, dengan luas bidang/medan datar (flat) yang sangat terbatas, contoh wilayah pedalaman papua). Bandara di Indensia yang telah dibangun juga dapat mengalamai kerusakan. Secara Umum ada 5 Tipe kerusakan :retak (Cracking), kerusakan pada sambungan (joint seal damage), kerontokan (disintegration), perubahan permukaan konstruksi (distortion), hilangnya kekesatan permukaan konstruksi (loss of skid resistance). Bandara yang mengalami kerusakan dapat mengganggu operasi penerbangan: delay, cancel, diverted, RTB. Kerusakan yang sering terjadi adalah: delamination, depression, dan pothole. Kerusakan tersebut dapat menimbulkan Foreign Object Damage (FOD) yang sangat membahayakan pesawat karena adanya benda asing yang dapat merusak body dan mesin pesawat. Penyebab kerusakan struktur perkerasan movement area (runway, taxiway dan apron) ada 4 faktor, yaitu : air yang meresap melalui permukaan perkerasan yang retak, misal air hujan. air yang berasal dari bawah perkerasan dan membasahi subgrade maupun subbase, misal air tanah, air yang berasal dari kawasan di sekitar bandara dan dapat menggenangi perkerasan, overload atau beban lebih pavement bearing capacity atau max allowable gross weight dari perkerasan lebih rendah dari pada bobot pesawat yang dilayani (RTOW atau MTOW).

Pengembangan Metode Pengelolaan Risiko Kecelakaan Lalu Lintas Gaspar, Don; Malkhamah, Siti; Suparma, Latif Budi
Warta Penelitian Perhubungan Vol. 28 No. 6 (2016): Warta Penelitian Perhubungan
Publisher : Sekretariat Badan Penelitian dan Pengembangan Perhubungan

Kurangnya kapasitas sumber daya terbukti menjadi kendala pengelolaan risiko kecelakaan. Walaupun demikianpenelitian-penelitian terdahulu menunjukkan bahwa sebagian besar faktor penyebab dan pemicu kecelakaanmasih dianalisis secara terpisah, sementara skema pengelolaan risiko terpadu sangat terbatas. Tujuan studiini adalah untuk mengembangkan skema pengelolaan risiko kecelakaan lalu lintas terpadu. Pengembangannyadidasarkan pada hasil investigasi terhadap substansi pengelolaan berbagai pola pengelolaan risiko kecelakaanyang ada. Ditemukan bahwa 1) variabel yang dipakai dalam proses analisis risiko harus tidak saja mengakomodirfactor penyebab dan pemicu kecelakaan melainkan juga variabel-variabel penjelasnya. 2) untuk meminimalkanaspek ketidakpastian dalam metode analisis risiko, penentuan periode, durasi maupun lokasi survai harusdisesuaikan dengan kebutuhan kontekstual di lapangan 3) diperlukan upaya pengembangan skema pengelolaanrisiko kecelakaan yang lebih sesuai dengan mengintegrasikan pengaruh tiap variabel terkait secara menyeluruhdan proporsional. Selain itu, model Jarak Pandang Henti direkomendasikan untuk digunakan dalam analisisrisiko kecelakaan.

Peran Teknologi Untuk Revitalisasi Bandara Dan Transportasi Udara Malkhamah, Siti; Sartono, Wardhani
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN 978-602-52742-
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.397

Sebagian Bandara di Indonesia dibangun untuk kepentingan Pertahanan dan Keamanan. Bandara tersebut dibangun dengan sistem pelapisan berorientasi lapis permukaan (bukan lapis pondasi/base). Saat bandara di design, traffic-nya sangat berbeda dengan traffic pada saat digunakan dariÂ sisi ukuran maupun frekuensi. Sebagian besar bandara di Indonesia dibangun secara bertahap dengab segmentasi perkerasan yang berbeda. Sebagian dibangun diatas tanah lunak, dengan kapasitas daya dukung yang sangat rendah. Sebagai contoh APT Pranoto Samarinda, H. Asam Sampit, Juanda Surabaya, dll. Sebagian dibangun di pegunungan, dengan luas bidang/medan datar (flat) yang sangat terbatas, contoh wilayah pedalaman papua). Bandara di Indensia yang telah dibangun juga dapat mengalamai kerusakan. Secara Umum ada 5 Tipe kerusakan :retak (Cracking), kerusakan pada sambungan (joint seal damage), kerontokan (disintegration), perubahan permukaan konstruksi (distortion), hilangnya kekesatan permukaan konstruksi (loss of skid resistance).Â Bandara yang mengalami kerusakan dapat mengganggu operasi penerbangan: delay, cancel, diverted, RTB. Kerusakan yang sering terjadi adalah: delamination, depression, dan pothole. Kerusakan tersebut dapat menimbulkan Foreign Object Damage (FOD) yang sangat membahayakan pesawat karena adanya benda asing yang dapat merusak body dan mesin pesawat. Penyebab kerusakan struktur perkerasan movement area (runway, taxiway dan apron) ada 4 faktor, yaitu : air yang meresap melalui permukaan perkerasan yang retak, misal air hujan. air yang berasal dari bawah perkerasan dan membasahi subgrade maupun subbase, misal air tanah, air yang berasal dari kawasan di sekitar bandara dan dapat menggenangi perkerasan, overload atau beban lebihÂ pavement bearing capacity atau max allowable gross weight dari perkerasan lebih rendah dari pada bobot pesawat yang dilayani (RTOW atau MTOW).

MODEL PEMILIHAN MODA ANTARA MOBIL PRIBADI DAN BIS TRANSJOGJA AKIBAT PENERAPAN BIAYA KEMACETAN Gito Sugiyanto; Siti Malkhamah
Jurnal Transportasi Vol. 9 No. 2 (2009)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

Traffic congestion can be a serious problem in major cities around the world, especially in centrall urban area. Congestion results not only in time lost while sitting in traffic jams but also constitutes a disruption to company supply chains and the general flow of commerce. Idling vehicles contribute as well to air pollution which reduces the quality of health. The aim of this paper is to formulate mode choice model between privatepassenger cars and TransJogja Bus service as a result of the application of a congestion cost in a congested road along the region of Malioboro, Yogyakarta. The amount of the congestion cost represents the difference between perceived and actual generalized cost in traffic jam condition. In this study the congestion cost is only applied to the private passenger cars, as they are expected to shift to TransJogja Bus and, therefore, thepublic transport usage will increas. The mode choice model was developed based on users preferences of service as indicated by travel attributes. The logit binomial model was used to formulate the individual behavior based on stated preference data from passenger car users in Malioboro, Yogyakarta. The modelpredicts the probability of choosing a particular mode of transportation. The result show that five travel attributes assumed to have high influences toward mode choice behavior. These attributes are travel cost, congestion cost, travel time, parking cost, and walking time to the bus stop of TransJogja.Keywords: binomial logit model, congestion cost, stated preference, traffic congestion, TransJogja

REGIONAL FREIGHT TRANSPORTATION MODEL FOR CRUDE PALM OIL IN CENTRAL KALIMANTAN Noor Mahmudah; Siti Malkhamah; Danang Parikesit; Sigit Priyanto
Jurnal Transportasi Vol. 10 No. 3 (2010)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

This study attempts to model freight transportation of specific commodity in the regional scale, particularly to identify the shortest route of Crude Palm Oil (CPO) commodities, which are transported from factories to ports using different transportation network and mode. Several activities were performed, includingidentifying the location of palm plantations and factories supporting CPO industries, identifying intermediate points in the road and river networks, and determining the access route of CPO transportation from factory to the road or river networks. In determining the shortest route, various transportation networks and modes are simulated using Geographical Information System analysis by considering travel distance, time, and costas the variables influencing transportation systems. There are 113 of CPO factories identified, then be classified into three classes by considering their production capacity. It is found that 80 factories are classified as small (71%), 26 factories are medium (23%), and 7 factories are big (6%). The shortest route is identified through both road and river networks. The analysis of the shortest routes shows that road networks have shorter travel distance and time compared to the rivers. Nevertheless, river transportation offers a cheaper price compared to road transportation. Therefore, there is a competition between these two transportation modes, in which about 51% of factories probably use road networks and 49% use river networks. Moreover, it is predicted that about 70% of total CPO in Central Kalimantan is transported to Sampit port and only 30% is transported to Kumai port.Keywords: freight transportation, shortest route, Geographical Information System

PENGEMBANGAN MODEL BIAYA KEMACETAN BAGI PENGGUNA MOBIL PRIBADI DI DAERAH PUSAT PERKOTAAN YOGYAKARTA Gito Sugiyanto; Ahmad Munawar; Siti Malkhamah; Heru Sutomo
Jurnal Transportasi Vol. 11 No. 2 (2011)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

Traffic congestion on the road occurred when travel demand exceeds the capacity of the road. This study aims to estimate and develop a model of congestion costs for private car users in the area of Jalan Malioboro, Yogyakarta, with a length of 1.414 km. The study was limited to the congestion charge for private car users only. The results show that the generalized cost of private car transportation on the actual conditions in the Malioboro area, Yogyakarta, is Rp. 5,513.77 per trip and on the conditions of free flow speed is Rp. 2,598.78 per trip, so that the congestion charge for private car users in this region is Rp. 2,914.99 per trip. The form of congestion charge model for private car users in the area of Malioboro, Yogyakarta, is an exponential function, with the lower the actual traffic speed, the greater the cost of traffic congestion caused.Keywords: congestion charge, private car, the combined cost of transportation, vehicle operating costs,the cost of travel time.

PENGEMBANGAN METODOLOGI PERENCANAAN TRANSPORTASI BARANG REGIONAL Noor Mahmudah; Siti Malkhamah; Danang Parikesit; Sigit Priyanto
Jurnal Transportasi Vol. 11 No. 3 (2011)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

This paper attempts to elaborate the relationship of the economics activities of commodities toward export -specifically the production of goods and services that generate freight transportation. The spatial data of commodities related to the economics’ activities (resources, factories, and outlets), the transportation data(infrastructures, modes, and services), and government regulations, are use in formulating the method for freight transportation planning utilizing intermodality concept, to produce efficient freight movements and to enhance sustainable mobility and economic development in the regional scale.Keywords: economics activities, freight transportation, sustainable mobility.

PELAYANAN DAN TARIF KERETA API PERKOTAAN DI YOGYAKARTA Risky Hariwahyudi; Dewi Fatmawati Suprapto; Siti Malkhamah
Jurnal Transportasi Vol. 16 No. 3 (2016)
Publisher : Forum Studi Transportasi antar Perguruan Tinggi (FSTPT)

Abstract High mobility of vehicles in Yogyakarta city causes a lot of traffic problems. Therefore, urban railways are needed along with urban buses to reduce congestion. This study was conducted to understand the ability to pay and the willingness to pay of urban rail users and to develop service scenarios to determine the fares. Data were obtained through interviews with the stated preference survey method, that include 4 scenarios with combination of fares, waiting time, and travel time. The results show that the first scenario is the best one. Scenario 1 indicates that 53% students who use Trans Jogja and 50.8% students who use motorcycle will switch to use the train. The probability of all Trans Jogja users and all motorcyclists to use the train is 39.9% for scenario 1 and 59% for scenario 3, respectively. Keywords: urban rail, urban bus, stated preference, traffic congestion. Abstrak Tingginya mobilitas kendaraan di dalam kota serta dari dan ke Yogyakarta menyebabkan banyak perma-salahan lalulintas. Oleh karena itu perlu dijajaki kemungkinan pengoperasian kereta api perkotaan untuk melengkapi bus perkotaan guna mengurangi kemacetan lalulintas. Sebagai langkah awal, perlu diketahui tingkat daya beli dan kesediaan membayar kereta api perkotaan serta penerapan skenario pelayanan sebagai pertimbangan penetapan tarif. Data diperoleh melalui wawancara dengan metode survei stated preference, yang mencakup sekenario pelayanan 1, 2, 3, dan 4 dengan kombinasi tarif, waktu tunggu, dan waktu tempuh. Hasil penelitian ini menunjukkan bahwa skenario 1 merupakan skenario yang paling banyak dipilih. Pada skenario 1 ini, 53% pelajar pengguna Trans Jogja dan 50,8% pelajar pengguna sepeda motor akan beralih untuk menggunakan kereta api. Secara umum, pengguna Trans Jogja dan pengguna sepeda motor mempunyai probabilitas untuk menggunakan kereta api masing-masing sebesar 39,9% pada skenario 1 dan sebesar 59% pada skenario 3. Kata-kata kunci: kereta api perkotaan, bus perkotaan, stated preference, kemacetan lalulintas

Co-Authors Abdul Maruf Saputra Achmad Djunaedi Ahmad Munawar Ahmad Munawar Almira Pavita Eska Alvian Mustafa Amrozi, Muhammad Rizka Fahmi Anggraeni Hapsari Ardiatomo, Prabowo Benidiktus Susanto Charles Watson Danang Parikesit Danar Adi Nugroho Danubroto, Radyo Wijoyo Destria Rahmita Mita Dewanti Dewanti Dewanti Dewanti Dewi Fatmawati Suprapto Dewi Haryani Susilastuti, Dewi Haryani Don Gaspar Don Gaspar Noesaku da Costa Ellyni Dwi Fortuna Fariha Riska Yumita Ferdiana Rosinta Fitrianti, Rachma Fortuna, Ellyni Dwi Fransiska Idalin Gandha Yugo Prasetyo Gaspar, Don Gito Sugiyanto Gito Sugiyanto Gito Sugiyanto Hafidzul Azmi Hardianto Eko Prasetio Haris, Willi Hariwahyudi, Risky Heru Sutomo Heru Sutomo Idalin, Fransiska Imam Muthohar Imam Muthohar Imam Muthohar Imam Muthohar Imam Muthohar Imam Muthohar Isa Indrawan Itsna Amaliatun Khasanah John Suprihanto Karen Walker Latif Budi Suparma Latif Budi Suparma Luzile Mae Satur Melia Damayanti Muhammad Ali Akbar Muhammad Baiquni Muhammad Rezki Ian Muhammad Zudhy Irawan, Muhammad Zudhy Noor Mahmudah Noor Mahmudah Noor Mahmudah Nur Baskoro Adi Pamungkas, Anggera Gandi Pandu Anggoro Putro Pangaribuan, Grace Priyanto, Sabda Elisa Priyanto, Sigit Puput Budy Aryanti Risky Hariwahyudi Rizka Fahmi Amrozi, Mukhammad Sigit Priyanto Sigit Priyatno Suardika, Bayu Subarmono Subarmono Suprapto, Dewi Fatmawati Syifa Hapsari Khaerunnisa Utut Widyanto Vemantyasto, Turas Nur Wahyu Triyono, Wahyu Wardhani Sartono Wibisono, M. Arif Yuwono Wiarco Yuwono Wiarco Zudhy Irawan

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