Traffic Optimization Through Geometric Design and Signal Timing Assessment of Mayapyap Sur Junction in Cabanatuan City Using Vissim Simulation

Traffic congestion, intersection performance, PTV VISSIM, signal timing optimization, geometric design, Level of Service (LOS)

Authors

  • Jimuel A. DIZON Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
  • Jan Ellis M. LAPADA Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
  • Angelyn T. QUIZON Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
  • Amor Judith A. CABANESAS Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
  • Alelie Joy C. ALEJO Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
  • Derick Aldrin L. ESTEBAN Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
  • Ronald D. DANAN Nueva Ecija University of Science and Technology, Sumacab Este, Cabanatuan City, Nueva Ecija, Philippines
May 29, 2026
June 10, 2026

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Traffic congestion at the Mayapyap Sur Junction in Cabanatuan City has become a persistent issue due to increasing traffic demand and limitations in the existing intersection design and signal control system. This study evaluates the traffic performance of the junction using PTV VISSIM microscopic simulation based on collected traffic volume, vehicle composition, and signal timing data. Results show that congestion is caused by inefficient signal timing, unbalanced traffic flow, roadside loading and unloading, and geometric deficiencies that reduce roadway capacity. Several improvement scenarios involving signal timing optimization and geometric enhancements were simulated and compared. Findings indicate significant reductions in vehicle delay and improved traffic flow efficiency, with the Level of Service (LOS) improving from LOS E–F to LOS A–D. The study demonstrates the effectiveness of combining traffic signal optimization and geometric improvements in enhancing intersection performance and supporting sustainable urban traffic management.