Shen, Jinxing, Wenquan Li, Feng Qiu, and Shukang Zheng. “Capacity of Freeway Merge Areas With Different On-Ramp Traffic Flow”. Promet - Traffic&Transportation 27, no. 3 (June 28, 2015): 227-235. Accessed May 7, 2024. http://traffic.fpz.hr/index.php/PROMTT/article/view/1566.