Along with the rapid development of China economy, more people pour into large cities since 2000. In order to settle the housing problem timely, large communities emerged in big cities of China such as Beijing, Shanghai, Guangzhou. There is usually a high population density and high proportion of commuter travel in large communities, and the traffic development of which is relatively difficult, this paper aims to solve this problem. Taking TTY district of Beijing as an example, a large scale resident trip survey was conducted. The travel indicators travel time, travel distance, etc, were detailed discussed. The main traffic problems of TTY district were summarized as: 1) separation of office and residence; 2) insufficient traffic supply; 3) unreasonable road network structure. Finally, corresponding countermeasure was proposed in the article to deal with the existing problems.