作者: Jianqiang Wang , Shiwei Li
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摘要: An urban traffic flow system is a dynamic and open complex giant system, which composed of three essential factors, namely people, vehicles roads. Research works regarding complexity systems are the current common frontiers both science. On basis analysis present situation about congestion trends demand, this study systemically discusses main causes systems, including individual travelers, road networks, action mechanisms among diverse elements external environment. It expounded that root gigantic amounts vast elements. In meantime, makes mention research methods future directions systems.