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Journal : Journal La Multiapp

Design of Coordination Between Signalized Intersections (A Case Study in Gayamsari and Lamper Intersections) Ramadan, Ramadan; Setiadji, Bagus Hario; Riyanto, Bambang
Journal La Multiapp Vol. 6 No. 5 (2025): Journal La Multiapp
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallamultiapp.v6i5.2230

Abstract

Gayamsari Intersection and Lamper Intersection in Semarang City are signalized intersections that experience high levels of vehicle queues and delays, especially during peak hours. This study aims to design signal coordination between intersections to improve traffic performance. The analysis was conducted based on the Indonesian Road Capacity Guidelines (PKJI) 2023, with a five-day field survey covering active days (Monday-Wednesday) and weekends (Saturday-Sunday). Peak hour traffic volume data was used to analyze existing conditions, including degree of saturation (DJ), queue length (PA), and delay (T) parameters. Several signal cycle planning scenarios were tested, and an optimal cycle of 180 seconds for weekdays and 130 seconds for weekends was obtained. Signal coordination can only be applied from Lamper to Gayamsari intersection, because in the reverse direction straight vehicles at Gayamsari intersection do not face red signals. Signal coordination is designed using the bandwidth and offset time method, with an offset of 45 seconds. The design results show a bandwidth of 60 seconds (morning) and 81 seconds (afternoon) on active days, and 43 seconds (morning) and 51 seconds (afternoon) on weekends. This design is expected to reduce vehicle delays and queues, and improve traffic efficiency at both intersections.
Co-Authors -, Nurseha A.A. Ketut Agung Cahyawan W Agung Budiwirawan Agus Taufik Mulyono Ahmad Harisb januar Syahidan, Ahmad Harisb januar Al-Faruqi, Muhammad Umar Alfa Narendra Alfila, Sinta Amelia Kusuma Indriastuti Ani Setiarini Arafah, Purnama Arivai Santosae, Zacky Astri Purnama Dewi Azhar Hermawan Riyanto, Azhar Hermawan Bagus Hario Setiadji Bambang Haryadi Bambang Pudjianto Bambang Susantono Cahyuning Isnaini, Cahyuning Danang Parikesit Darmawijoyo, Darmawijoyo Dendy Wicaksono Dianita Ratna Kusumastuti Dinamella Wahjuningrum Doni Ramadhan, Doni Dwi Widayati, Dwi Elisati Hulu Fauziah, Silva Ferry Hermawan Fitria, Hadaya Gugup Kismono Hidayati, Aulia Hinggo S, Hichmaed Tachta Hutapea, Dewi Feronika Indah, Febriamitha Indrasurya Budisatrya Mochtar Ismiyati Ismiyati Jogiyanto Hartono Joko Santoso Joko Siswanto Juang Akbardin Kami Hari Basuki Kami Hari Basuki Kustiariyah Tarman Lutfi, Agus Marsella, Emma Masrianto Masrianto Mudjiastuti Handajani Muhammad Amin Cakrawijaya Mustafid Mustafid Mustika Mahamarendra Mutik Sirait, Raisyicha Naibaho, Margareta Desnawati Nanda Dwi Astri Novita, Winda Duwi Nur Listiawati, Nur Nurhayati Harahap Nuroji Nuroji Poernomosidhi Poerwo Pratiwi, Ghina Eka Prestika Fiprilia Medawati Rakhmatika, Rakhmatika Ramadan Ramadan Ratu Ilma Indra Putri Reza Maulana Ria Asih Ariyani Soemitro Risti Ariska Ritonga, Parlaungan Rizky Akbar Fathurochman Rusdy A. Siroj S, Marsel Saulina Santosae, Zacky Arivai Simon Sili Sabon, Simon Sili Sinulingga, Fahri Sirait, Raisyicha Mutik Siswantari Sodikin Sodikin Soegiono Soetomo Sri Widyantoro, Sri Subijanto Sugeng Heri Suseno Syafrudin Syafrudin Syahfitri, Utami Dyah TATI NURHAYATI Tiftazani, M. Haekal Trilaksini, Wini Wahyu Ramadhan Wardhana A.S, Wisnu Wibowo, Slamet Widiarsyah, Farel Wini - Trilaksani Wirda, Yendri Wulandari, Ayu Septi Y I Wicaksono YI. Wicaksono Zulkardi Zulkardi Zulkardi