Abstract: TASEP is a classic model for describing the particle transportation on one-dimension lattices,which considers the vo-lume exclusion effect of real matters.It has been widely applied in the area of biology and public transportation.In this paper,based on the real properties of the traffic network,a modified TASEP model was proposed.The TASEP model is improved as follows,considering the heterogeneity of the hopping rate of particles on each edge,i.e.setting different hopping rates on each edge and conforming to Poisson distribution,and considering that the particles at the intersection are non-random in choosing the next section.Specifically,a real-time path strategy was proposed.Combining the traffic flow and the number of particles on a road,an average moving velocity is obtained for each link.Then a parameter α is introduced to make the movements of the particles at the intersections more rational.The larger the value of α,the more likely the particles are to move to the edge of the larger average velocity.Experimental results show that with the increase of α,the flow of the system will be greatly improved,which alleviates the congestions to a certain extent.By extending the traditional TASEP model,this paper provides a new insight and direction for the study of urban traffic system.

Key words: Complex network, Path strategy, Road network structure, Totally asymmetric simple exclusion process, Traffic flow