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Bagaskara Yudistira
Prodi Teknik Sipil, Universitas Muhammadiyah Mataram

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ANALISIS KAPASITAS DAN KINERJA BUNDARAN SORIUTU MENGGUNAKAN PKJI 2023: Analysis of Capacity and Performance of Soriutu Roundabout Using PKJI 2023 Rajabi Mubarak; Anwar Efendy; Bagaskara Yudistira; Aulia Muttaqin
Ganec Swara Vol. 20 No. 2 (2026): Juni 2026
Publisher : Yayasan Al-Amin Qalbu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59896/gara.v20i2.674

Abstract

The Soriutu Roundabout in Manggelewa District, Dompu Regency, West Nusa Tenggara, is a strategic intersection connecting four main directions: Sumbawa, Kempo Calabai, Lanci, and Dompu. This study aims to analyze the capacity and performance of the roundabout using the Indonesian Road Capacity Guidelines (PKJI) 2023. Primary data collection was conducted over 3 days (Sunday, Monday, Wednesday) during three time periods (morning, afternoon, evening) by surveying traffic volume, non-motorized vehicles, and roundabout geometric measurements. Secondary data included location maps and population figures. The analysis results show that the capacity (C) at weaving sections A-B = 1203 pcu/hour, B-C = 596 pcu/hour, C-D = 759 pcu/hour, and D-A = 1168 pcu/hour. The highest degree of saturation (DS) occurred at section B-C at 0.65. Traffic delay per weaving section (TR) ranged from 2.17–3.29 sec/pcu, roundabout traffic delay (TLL) was 4.74 sec/pcu, and total roundabout delay (T) was 8.74 sec/pcu. Based on PKJI 2023 criteria (DS ≤ 0.85), all weaving sections of the Soriutu Roundabout are declared acceptable and still perform well