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Pengaruh Hambatan Samping Terhadap Tingkat Pelayanan Simpang Menggunakan PTV VISSIM Haykal Muhammad Eto; Yuliyanti Kadir; Frice Lahmudin Desei
Indonesian Journal of Fundamental Sciences Vol 12, No 1 (2026)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/ijfs.v12i1.89147

Abstract

Permasalahan simpang pada umumnya menyebabkan terjadinya kemacetan, seperti pada Simpang Jalan Raja Wadipalapa – Jalan Ahmad Hiola – Jalan Pemuda yang merupakan bagian dari koridor pengumpan (feeder) pergerakan komuter, angkutan barang, dan angkutan umum antarwilayah. Dengan karakteristik guna lahan yang kompleks, meliputi adanya Terminal Tipe A, pasar tradisional dan kawasan perumahan menyebabkan sering terjadinya macet. Hasil penelitian dengan menganalisis dampak hambatan samping terhadap tingkat pelayanan simpang serta pemodelan simulasi mikroskopik PTV VISSIM didapatkan kinerja simpang dengan nilai derajat kejenuhan 1,29 dan tundaan 101,18 detik/smp dengan tingkat pelayanan F (buruk sekali). Simulasi PTV VISSIM mengonfirmasi adanya penurunan kecepatan rata-rata dan peningkatan panjang antrean. Alternatif solusi dalam penelitian ini merekomendasikan perlunya dilakukan penambahan lebar pendekat, pelarangan gerakan belok kanan dan penerapan sistem 1 (satu) arah guna meningkatkan kapasitas efektif dan kelancaran arus lalu lintas pada kawasan tersebut.
Tinjauan Geometrik Jalan Berdasarkan Pedoman Geometrik Jalan 2021 (Studi Kasus: Ruas Jalan Gorontalo-Biluhu Barat STA. 3+300-6+200) Muhammad Zulfikar Djuniadi; Frice Lahmudin Desei; Fadly Achmad
Research Review: Jurnal Ilmiah Multidisiplin Vol. 5 No. 2 (2026): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2026 - Januari 2027)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v5i2.564

Abstract

The Gorontalo–Biluhu Barat road section is located in Gorontalo Regency and passes through mountainous terrain with a winding alignment, which may increase the risk of accidents and affect road user safety. This study aims to evaluate the geometric design of the road section based on the 2021 Road Geometric Design Guidelines. The evaluation focuses on three main parameters: horizontal alignment, vertical alignment, and sight distance. The horizontal alignment was assessed based on the characteristics of the curves and their compliance with the specified geometric design criteria. The vertical alignment was evaluated based on the longitudinal grades at each observation station, while sight distance was analyzed according to the applicable geometric design requirements. The results indicate that all horizontal alignment elements within the evaluated road section comply with the established design criteria. However, several stations in the vertical alignment were found to have longitudinal grades exceeding the maximum allowable limit of 10%. Meanwhile, all evaluated sight distance parameters comply with the requirements of the 2021 Road Geometric Design Guidelines. These findings indicate that improvements are particularly needed in sections with excessive grades to enhance overall road safety.