“Effect of U-Turn Movement at Median Openings on Traffic Flow Characteristics at Jalan Jenderal Ahmad Yani, Ketapang Regency”. Journal of Research and Inovation in Civil Engineering as Applied Science (RIGID) 3, no. 1 (January 31, 2024): 34–41. Accessed January 25, 2026. https://jurnal.politap.ac.id/index.php/rigid/article/view/1442.