A realistic two-lane cellular automata traffic model considering aggressive lane-changing behavior of fast vehicle

In real traffic, a vehicle may perform different lane-changing behavior if its preceding vehicle is different. Fast vehicle usually has aggressive lane-changing behavior when its preceding vehicle is a slow one. In this paper, we take the factor into account and propose a new symmetric two-lane cellular automata model. It is shown that aggressive lane-changing behavior of fast vehicle can depress the plug formed by slow vehicles and improve traffic flow in mixed traffic in the intermediate density range. The simulation results also indicate that ping–pang lane-changing behavior is mainly caused by fast vehicles that are hindered by fast vehicles.