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Application of Type-2 Fuzzy Logic to Signal Timing Control at Signalized Intersections: Addressing Traffic Data Uncertainty Julinaldi Julinaldi; Sahriyal Sahriyal
Journal of Infrastructure and Civil Engineering Vol. 6 No. 2 (2026)
Publisher : Program Studi Teknik Sipil Sekolah Tinggi Teknologi Pekanbaru

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35583/jice.v6i2.182

Abstract

Urban intersections are increasingly congested as motorized vehicle volumes continue to rise, while fixed-time signal control often fails to respond to dynamic traffic conditions. This review examines the use of Type-2 Fuzzy Logic (FL-T2) for adaptive signal timing control under traffic uncertainty and its relevance to Indonesian urban intersections. A systematic literature review was conducted on recent studies published between 2021 and 2025. The reviewed studies show that FL-T2 is generally built on fuzzification, rule-base formulation, inference, and defuzzification, with uncertainty represented through the Footprint of Uncertainty. The synthesis indicates that FL-T2 performs better than fixed-time control and Type-1 fuzzy logic in reducing delay, queue length, and saturation level, especially under fluctuating traffic conditions. Hybrid FL-T2 models with optimization algorithms also show stronger performance in simulation studies. However, practical implementation in Indonesia still depends on detector availability, data quality, computational feasibility, and institutional readiness. FL-T2 is therefore a promising adaptive control framework, but further local simulation and pilot testing are needed before field deployment.
Implementasi Edukasi Zona Selamat Sekolah (ZoSS) Berbasis Simulasi untuk Meningkatkan Kesadaran Keselamatan Lalu Lintas Siswa Sekolah Dasar: Studi Kasus : SDN 002 Bongkal Malang Sahriyal Sahriyal; Nedra Neswita; Erny Erny; Sri Agustin; Gerhana Adjie; Renga Vanza Tamario
Jurnal Kabar Masyarakat Vol. 4 No. 3 (2026): Agustus: JURNAL KABAR MASYARAKAT
Publisher : Institut Teknologi dan Bisnis Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54066/jkb.v4i3.4806

Abstract

Traffic safety is essential to protecting school-age children as vulnerable road users. SD Negeri 002 Bongkal Malang, Kelayang District, Indragiri Hulu Regency, is located alongside a busy provincial road, making education necessary to improve students’ safety awareness and behavior. This Community Service Program aimed to improve the knowledge, skills, and awareness of fifth-grade students regarding traffic safety through a School Safety Zone (ZoSS) simulation. The method used was Participatory Learning and Action (PLA), consisting of observation, a pre-test, teaching materials, ZoSS simulation, educational games, a post-test, and evaluation. The activity involved 26 fifth-grade students, supported by teachers and Civil Engineering students from ITB Indragiri. The results showed an increase in the average score from 55.77 in the pre-test to 90.00 in the post-test, representing an improvement of approximately 61.38%. Most students also demonstrated good to very good simulation skills and attitudes. Simulation-based ZoSS education effectively improved students’ knowledge, skills, and awareness of traffic safety and has the potential to be implemented sustainably as a learning model in schools.