摘要：AbstractSpatial strategy is an important issue in the context of information released on urban traffic guidance.Research in this area is limited both domestically for China and internationally. Based on the analysis of Variable Message Signs (VMS) information released in Beijing in the past two years, this paper gives the proportion characteristics of the information released, containing the time pattern, VMS selection rule and duration. According to the influence degree of different events on the city traffic, regional classification method was used. The zone of information released is divided into three levels; the core affected zone, the first level affected zone and the second level affected zone. Finally, the VMS spatial distribution strategy of the three levels is provided.
关键词：Spatial strategy;VMS;regional classification method;characteristics of information released;event classfication.
