Performance Analysis Study of Blimbing Three Intersection, Gudo District, Jombang Regency

Abstract

The Performance Analysis Study of the Blimbing T-Junction in Gudo District, Jombang Regency aims to evaluate the current traffic conditions and propose alternative solutions to improve traffic safety and efficiency. This study uses a mixed-methods approach, combining both quantitative and qualitative data. Primary data were collected through direct surveys, including intersection inventory and Classified Turning Movement Counting (CTMC), while secondary data were sourced from BPS, Bappeda, and the Department of Transportation. The analysis refers to the 2023 Indonesian Highway Capacity Manual (PKJI), focusing on key parameters such as capacity, degree of saturation, delay, and queue probability. The findings indicate that the current condition of the intersection is congested, especially on Sundays, with an average delay of 30.99 seconds and a queue length of 26.53 meters (LOS D). Results show that the best performance, with an average delay of 24.05 seconds and a queue length of 16.28 meters, achieving LOS C. This study recommends as the most effective solution for improving intersection performance, enhancing road user safety, and supporting sustainable mobility in the area.