Wang, Haizhong; Li, Jia; Chen, Qian-Yong; Ni, Daiheng - In: Transportation Research Part A: Policy and Practice 45 (2011) 6, pp. 554-566
The fundamental diagram, as the graphical representation of the relationships among traffic flow, speed, and density, has been the foundation of traffic flow theory and transportation engineering. Seventy-five years after the seminal Greenshields model, a variety of models have been proposed to...