To walk and bike as the main mode of slow traffic system is an important part of urban transportation system. Slow traffic implied fair harmony, people-oriented and sustainable development concept. Development and improvement of slow traffic system environment, give full play to its advantages, realization of slow traffic system and the urban traffic system integration, to meet the demand of the transportation of people. Slow traffic system construction is the important content of constructing ecological livable city, pay attention to the development of rapid transit, the city can't ignore slow traffic to facilitate the bike and on foot. Address sections in this article through to the city's liberation of slow traffic survey, based on traffic engineering and traffic design theory knowledge and the relevant standards, combining with the existing evaluation methods of slow traffic, respectively from the pedestrian crossing, non-motor vehicle driveways at bus-stops, intersection and bicycle parking lot slow traffic on the roads has carried on the analysis and evaluation, line and put forward the corresponding improvement suggestion, make the road slow traffic system more perfect, try to improve the slow traffic environment, increase the traffic capacity and safety. Slow traffic system