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OPTIMASI PENGATURAN SIMPANG KASDA JALAN SOEKARNO HATTA DAN JALAN VETERAN KOTA PAYAKUMBUH UNTUK ANTISIPASI VOLUME LALU LINTAS DI TAHUN 2029 Wati, Zuly Nelriska; Yosritzal, Yosritzal; Purnawan, Purnawan
SIGMA TEKNIKA Vol 8, No 2 (2025): SIGMATEKNIKA, VOL. 8, N0. 2, NOVEMBER 2025
Publisher : Fakultas Teknik, Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/sigmateknika.v8i2.8260

Abstract

Peningkatan jumlah kendaraan bermotor di Kota Payakumbuh berdampak pada menurunnya kinerja lalu lintas, khususnya di kawasan simpang bersinyal. Salah satu titik permasalahan adalah Simpang Kasda Jalan Soekarno Hatta dan Jalan Veteran yang kerap mengalami tundaan dan antrian panjang pada jam sibuk. Penelitian ini bertujuan menganalisis kondisi eksisting, mengevaluasi alternatif optimasi, serta memprediksi kinerja simpang hingga tahun 2029. Data diperoleh melalui survei lapangan meliputi volume lalu lintas, kecepatan, waktu siklus sinyal, dan kondisi geometrik. Pemodelan dilakukan menggunakan perangkat lunak PTV Vissim dengan kalibrasi dan validasi menggunakan uji Geoffrey E. Havers (GEH). Hasil analisis menunjukkan kondisi eksisting berada pada tingkat pelayanan LOS C dengan rata-rata antrian 31,43 meter dan tundaan 32,48 detik/kendaraan. Dua alternatif optimasi diuji, yaitu penyesuaian waktu sinyal dan penghapusan parkir on street. Alternatif kedua menghasilkan kinerja terbaik dengan peningkatan pelayanan menjadi LOS B, rata-rata antrian 10,49 meter, dan tundaan 14,42 detik/kendaraan. Prediksi hingga tahun 2029 menunjukkan tanpa optimasi simpang menurun menjadi LOS E, sedangkan dengan penerapan alternatif kedua, kinerja dapat dipertahankan pada LOS C.
Evaluasi Kinerja Jalur Evakuasi Tsunami di Wilayah Kota Padang (Studi Kasus Ruas Jalan Sawahan) Yossyafra, Yossyafra; Purnawan, Purnawan; Rahmat, Syukriadi
Jurnal Impresi Indonesia Vol. 5 No. 1 (2026): Jurnal Impresi Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jii.v5i1.7432

Abstract

Kota Padang merupakan wilayah rawan tsunami dengan risiko evakuasi tinggi. Penelitian ini mengevaluasi kinerja jalur evakuasi tsunami pada Ruas Jalan Sawahan. Penelitian ini bertujuan untuk mengevaluasi kinerja jalur evakuasi tsunami pada Ruas Jalan Sawahan di Kota Padang dengan menganalisis kapasitas jalan, volume lalu lintas, preferensi moda transportasi masyarakat, serta memprediksi kinerja jalan pada saat terjadi tsunami.  Metode kuantitatif diterapkan melalui survei volume lalu lintas, inventarisasi rambu, dan kuesioner preferensi moda transportasi. Analisis menggunakan Manual Kapasitas Jalan Indonesia (MKJI) 1997 dengan simulasi dua skenario evakuasi: kondisi eksisting dan kondisi terburuk (parkir penuh kawasan komersial). Hasil menunjukkan mayoritas penduduk memilih sepeda motor (66,7%) dan mobil (25,2%) untuk evakuasi. Kapasitas jalan normal adalah 4.246,5 smp/jam (tingkat pelayanan C). Saat tsunami, kinerja turun menjadi tingkat D (skenario 1) dan E (skenario 2). Penerapan manajemen lalu lintas seperti pengubahan arah satu arah dan larangan parkir meningkatkan kembali kinerja ke tingkat C. Disimpulkan bahwa Ruas Jalan Sawahan belum optimal menampung arus evakuasi tsunami. Diperlukan intervensi manajemen lalu lintas sistematis dan pemeliharaan berkala untuk menjamin kelancaran evakuasi.
Examining the effect of PBL in improving the students’ learning outcomes: A case in a private vocational school Anwar, Khoirul; Kurniawan, Arief; Purnawan, Purnawan; Ananta, Rendra
International Journal on Education Insight Vol. 6 No. 2 (2025)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijei.v6i2.14842

Abstract

Vocational education plays a strategic role in increasing the competitiveness of the national workforce. With a work-based learning approach, vocational high schools are expected to be able to bridge the needs of industry through an adaptive curriculum, competency certification, and direct partnerships with the business/industry world. This study aims to describe the procedure for implementing problem-based learning (PBL) in the light vehicle engine maintenance subject, to analyze the improvement in learning outcomes after PBL, and to analyze the extent of the improvement in learning outcomes after the implementation of PBL in the light vehicle engine maintenance subject at SMK Muhammadiyah 1 Moyudan, a private vocational high school in Yogyakarta. This study uses a quantitative quasi-experimental approach (non-equivalent control group design). The PBL was tested on a sample of 60 students. Data were collected through tests and analyzed descriptively, independent t-test, and normalized gain. The results of this study showed a significant difference (sig. 0.004 < 0.05) between the PBL and control groups. The average N-Gain value is 0.54 (medium category). In addition, there is a significant increase in the average value of learning outcomes of class XI TKR B students who use the PBL model to 82, where previously the average value of students only reached 58. The results of this study explain that although both groups experienced an increase, the PBL group showed a greater and more consistent increase than the control group. It proves the significant effectiveness of the PBL in improving the students’ learning outcomes.
Safe Routes to School Planning for Improving Student Road Safety in Solok, Indonesia Poetra, Andhika Dwiantara; Yossyafra, Yossyafra; Purnawan, Purnawan
Jurnal Teknik Sipil Vol 26, No 1 (2026): Jurnal Teknik Sipil Universitas Tanjungpura
Publisher : Fakultas Teknik Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jts.v26i1.104444

Abstract

Traffic accidents involving students in educational areas remain a significant road-safety concern, particularly in areas with high traffic and limited safety facilities. This study aims to analyse student travel patterns, identify school travel routes, assess the need for safety facilities, and develop a Safe Routes to School (SRTS/RASS) concept along the Jalan KH. Dewantara corridor in Solok, Indonesia. Primary data were collected through road inventory surveys, pedestrian observations, and student interviews. Student travel patterns were analysed using an Origin–Destination (OD) matrix. The results show that the highest number of student trips originates from Zone 12 in Tanah Garam Urban Village, with 462 trips. Motorcycles dominate student transportation modes, accounting for approximately 60% of trips. The analysis identified six pedestrian routes, two bicycle routes, and one public transport corridor. The study proposes several safety improvements, including School Safety Zones (ZoSS), pelican crossings, sidewalk upgrades, bicycle lanes, and improved traffic signs and road markings to support safer mobility within the educational area.
Co-Authors A.A. Ketut Agung Cahyawan W Aam Hamdani, Aam Adhy Kurnia Triatmaja Agenta, Veiga Mustika Agus Setiawan Agustiawan, Herri Ahmad Hanafi Al Ayyubi, Muhammad Aldri Frinaldi Amay Suherman Ananta, Rendra Angge Dhevi Warisaura, Angge Dhevi Ani Purwanti Antonius, Toni Arief Kurniawan Aris Wahyu Murdiyanto Asep H. Sasmita, Asep H. Azizah, Rifka Noor Azzahra, Icha Bayu Martanto Adji, Bayu Martanto Budi Santosa Budi Santosa Budiastuti, Pramudita Bukman Lian, Bukman Busnia, Adib Isra Mudrah Casnan Casnan, Casnan Catur Iswahyudi Charlie, Demetrius Cyrilla Indri Parwati Darmawan, Bambang Darmawan, Fajar A. Dedi Rohendi Diana Aipipidely Dion Awfa Djoko Sutrisno Dwi Sukmawati, Paramita Dwi Wicaksono, Kunto Edhy Susatya, Edhy Edhy Sutanta (Jurusan Teknik Informatika IST AKPRIND Yogyakarta) Elsa Eka Putri Febrian, Viky Fernandez, Aurelius Listone Fewana, Detri Firmansyah Sulistiyono, Firmansyah Fitra Rifwan Fitri Nur Mahmudah Fitria, Laili Ghalib, Kenny Gilang Purnama, Gilang Gusti, Feby R Hadi Prasetyo Suseno Hakim, Ananda Rizky Hanissa Okitasari, Hanissa Hardiyanta, Rendra Ananta Prima Hariyanto, Satriawan Dini Haryadi - Haryadi Hayadi, Haryadi Hermanto Hermanto Ibrahim, fakhri Ida Hamidah Ikhwali, Muhammad Faisi Ilham Fahmi, Ilham Imami, Ahmad Daudsyah Ismail Ismail Istiqomah Shariati Zamani Ito Ismanto, Ito Jaja Kustija, Jaja Kamin Sumardi Karyadi, Ade khair, ghalib abul Khalis K Adiranti, Khalis K Khoirul Anwar Kinanti, Rafifa Zahra Kristina, Putri Cicilia Larutama, Wiku Maharis, Ikhsan Juliansyah Mizwar, Nur M.S. Muhamad Ramdan, Muhamad Mukhidin - Muklis Muklis Mumu Komaro Nandya RJ Hafsah, Nandya RJ Naufal Rizqan Ramadhan, Naufal Rizqan Nidia Lestari Noviandani, Pradika Novrianty, Irma Nugraha, Agri Triya Nur Novilina Arifianingsih Nurcahyo, Raden Wisnu Nursyirwan Effendi, Nursyirwan Nydia Putri, Meta Oktaviani oktaviani Panjaitan, Nahesson Hotmarama Phyu, Pan Ei Poetra, Andhika Dwiantara Prabowo, Fajar Yulianto Prakoso, Ilham Eko Pramastiko, Damar Aji Prayogo, Wisnu Prices, Afrizal Putra Prima, Rendra Ananta Priono, Agus I. Puspita, Yerrsy Cherya Putra, Nopolion Eka Rachmat Mulyana Radja Riwu, Yuliana Rahmat, Syukriadi Rajendra, Shafa Nandana Arva Ratna Wati Repadi, Evita Kartikaratu Ricky C. Putra, Ricky C. Riddo Fatra, Riddo Riski, Ananda Rival, Muhammad Rokhana Dwi Bekti, Rokhana Dwi Rosid, Ibnu Abdul Salam, Haipan Sasmita, Asep Hadian Sasmita, Dessi Septiariva, Iva Yenis Setiya Budi, Agus Setyaningrum, Agnes Sisilia Endah Lestari, Sisilia Endah Soenarto Soenarto Sri Sunarsih Sudaryono Sudaryono Sukandar, Aan Sumirat, Uum Suparni Setyowati Rahayu Suryawan, I Wayan Koko Susumaningsih, Endang Syaeful Ahmad, Syaeful Syah, Igar U Takaeb, Afrona E. L. Tedju Hinga, Indriati A. Tengku Riza Zarzani N Tri Kuat, Tri Ulana Masitoh, Ulana Uli Karo-Karo, Uli Utama, Made Andy Wira Valensi Kautsar, Valensi Wardaya Wardaya Wati, Zuly Nelriska Yadi Mulyadi Yayat Yayat Yosritzal, Yosritzal Yossyafra Yossyafra Yulandi, Wiki Yundari, Yundari