<正> In this paper,we propose a new two-lane cellular automata model in which the influence of the next-nearestneighbor vehicle is considered.The attributes of the traffic system composed of fast-lane and slow-l...<正> In this paper,we propose a new two-lane cellular automata model in which the influence of the next-nearestneighbor vehicle is considered.The attributes of the traffic system composed of fast-lane and slow-lane are investigated bythe new traffic model.The simulation results show that the proposed two-lane traffic model can reproduce some trafficphenomena observed in real traffic,and that maximum flux and critical density are close to the field measurements.Moreover,the initial density distribution of the fast-lane and slow-lane has much influence on the traffic flow states.With the ratio between the densities of slow lane and fast lane increasing the lane changing frequency increases,butmaximum flux decreases.Finally,the influence of the sensitivity coefficients is discussed.展开更多
基金The project partly supported by the National 0utstanding Young Investigation under Grant No. 70225005 of National Natural Science Foundation of China, National Natural Science Foundation of China under Grant No. 70471088, and the Teaching ＆ Research Award Program for 0utstanding Young Teachers in Higher Education Institutions （2001） of the Ministry of Education of China
文摘<正> In this paper,we propose a new two-lane cellular automata model in which the influence of the next-nearestneighbor vehicle is considered.The attributes of the traffic system composed of fast-lane and slow-lane are investigated bythe new traffic model.The simulation results show that the proposed two-lane traffic model can reproduce some trafficphenomena observed in real traffic,and that maximum flux and critical density are close to the field measurements.Moreover,the initial density distribution of the fast-lane and slow-lane has much influence on the traffic flow states.With the ratio between the densities of slow lane and fast lane increasing the lane changing frequency increases,butmaximum flux decreases.Finally,the influence of the sensitivity coefficients is discussed.
