针对特殊交通事件诱发的道路突发瓶颈现象,结合驾驶员在瓶颈现象发生前后的行为变化,提出了一个考虑驾驶员在瓶颈处驾驶特性的元胞自动机模型,并利用该模型分析了瓶颈现象对驾驶特性的影响.结果发现,该模型可以刻画不对称换道和瓶颈处抢道行为所产生的一些复杂的交通现象.研究表明,在瓶颈处实行不对称交替通行可以提高系统流量. Aiming at the sudden traffic bottleneck induced by special traffic accidents, a cellular automaton model considering driver’s driving characteristics at the bottleneck was proposed based on the behavior changes of drivers before and after the bottleneck phenomenon. The model was used to analyze the bottleneck phenomenon On the driving characteristics.The results show that the model can depict some complicated traffic phenomena caused by the lane-changing behavior at asymmetric lane change and bottleneck.Research shows that the asymmetric alternating traffic at the bottleneck can increase the system traffic.