With the rapid development of economic construction, the conflicts between people,car and road are becoming increasingly apparent and intense. The efficient management of the road is more and more important. This paper specifies the construction and application scheme for transportation network information system based on WebGIS, and GIS-T for Langfang road network is given as an example.%随着经济建设的飞速发展，人车路的矛盾日益加剧，道路的高效管理迫在眉睫。文章以廊坊路网地理信息系统的建设为例，详细介绍了基于WebGIS的路网地理信息系统的建设开发方案。
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