Li, Duo, Prakash Ranjitkar, and Yifei Zhao. “Efficiency and Equity Performance of a Coordinated Ramp Metering Algorithm”. Promet - Traffic&Transportation 28, no. 5 (October 28, 2016): 507–515. Accessed August 26, 2025. https://traffic2.fpz.hr/index.php/PROMTT/article/view/2619.