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Journal : composite journal

EVALUASI KINERJA SIMPANG BERSINYAL DAN PENGATURAN ULANG WAKTU SIKLUS APILL MENGGUNAKAN PTV VISSIM Pantulu, Ivana; Kadir, Yuliyanti; Desei, Frice Lahmudin
Composite Journal Vol. 5 No. 2 (2025): Composite Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/cj.v5i2.157

Abstract

The signalized intersection of Jalan Raja Eyato - Moh. Yamin A.R. Koniyo serves as a connection between commercial areas, tourist attractions, fast-food restaurant zones, and religious sites. As a result, this intersection experiences heavy traffic flow. Additionally, its asymmetric/weaving geometric design extends travel time from one approach to another. This study aims to evaluate the intersection's performance and level of service using the Indonesian Highway Capacity Guidelines (PKJI) 2023 and simulation modeling with PTV Vissim Student Version. The analysis results based on PKJI 2023 show the delay values as follows: Jalan Moh. Yamin at 49 seconds with level of service E, Jalan A.R. Koniyo at 38,1 seconds with level of service D, Jalan Raja Eyato (west) at 49,5 seconds with level of service E, and Jalan Raja Eyato (east) at 33,6 seconds with level of service D. The average intersection delay is 37 seconds, classified as level of service D. Meanwhile, the simulation results using PTV Vissim Student Version indicate delay values of 73,4 seconds with level of service E for Jalan Moh. Yamin, 72 seconds with level of service E for Jalan A.R. Koniyo, 46,3 seconds with level of service D for Jalan Raja Eyato (west), and 27,8 seconds with level of service C for Jalan Raja Eyato (east), with an average intersection delay of 54,5 seconds with level of service D. Four alternative solutions were proposed to improve the intersection's performance. The best solution is Alternative 2. which reduced signal phases four to three. This adjustment reduced delays by approximately 33% compared to current conditions, without requiring additional infrastructure costs.
EVALUASI NILAI KERUSAKAN JALAN PADA RUAS MOLINGKAPOTO SIMPANG KWANDANG MENGGUNAKAN SURFACE DISTRESS INDEX (SDI) DAN INTERNATIONAL ROUGHNESS INDEX (IRI) Jahja, Moh. Reza; Desei, Frice Lahmudin; Kadir, Yuliyanti
Composite Journal Vol. 6 No. 1 (2026): Composite Journal
Publisher : Jurusan Teknik Sipil, Fakultas Teknik, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/cj.v6i1.173

Abstract

Road damage is a complex problem and can cause major losses for road users.The purpose of this study is to analyze the damage to the Molingkapoto road at the Kwandang intersection, and to examine the appropriate handling of the damage that occurs. The methods used in the study are the SDI and IRI methods. The SDI method is a visual assessment of damage conditions. In calculating the SDI value, 4 elements are used, namely % crack area, crack gap width, number of holes/100 m and depth of wheel ruts. The IRI method is the value of road surface flatness calculated from the cumulative number of ups and downs of the longitudinal profile surface divided by the distance/length of the measured surface. The IRI value in this study was taken per 100 m using the Roadlab Pro application. The results of the SDI method analysis showed good conditions of 82%, moderate 12%, minor damage 3%, and severe damage 3%. The road conditions were dominated by good conditions along 2.7 km. The results of the IRI method analysis showed very good conditions of 0%, good conditions of 68%, moderate 29%, bad 3%, and very bad 0%. The road conditions were dominated by good conditions along 4.5 km. The combination of SDI and IRI values showed that Molingkapoto road at the Kwandang intersection sta. 6+300 to sta. 9+600 was in moderate condition and only required routine maintenance.