Traffic Accident Data in Changchun, Northeast China.

It describes a traffic network in Changchun city of northeast China by using weighted edges-list and node-list. Each node represents a crossing in the road network with longitude and latitude, each edge represents a road section, the weight of each edge is defined as total number of traffic accidents occurred on each road. We also integrate road structure data and meteorological data to explore the characteristics of traffic network. In addition, we provide the ArcGIS shapefiles for the road sections and the districts of Changchun city.