摘要：In February of 2016, China formally promulgated and pointed out that the new communities should promote the block system. This new policy sparked heated debate. To demonstrate the rationality of this decision, the article studies on the problem that the influence on surrounding traffic causing by the opening of different types of community. The result shows that there is a big difference of the influence on surrounding traffic between opening different types of communities. So the decision of opening communities should fully consider the particularity of communities and adjust measures according to local conditions.
