Abstract
With the related knowledge of exploratory spatial data analysis (ESDA) based on geographic information system (GIS), this paper analyzed the traffic bottleneck of a study area in a city, building an adjacency matrix with travel speed as the spatial attribute. The whole distribution status of traffic bottlenecks can be known by the global spatial autocorrelation analysis, and the relation among traffic bottlenecks also can be known by the local spatial autocorrelation analysis. The key section of road which plays an important role in the traffic system can be attained after the significant hypothesis testing, so offering an actual reference to make a reconstruction plan for roads.
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