Then, the applications of GIS technology in trafficsurvey, public transportation planning, calculation of traffic need and other fields are deeply discussed.
然后，重点探讨地理信息系统技术在交通调查，公共交通规划，交通需求预测和其他领域里的应用。
2
Trafficsurvey is the base of highway planning and construction. Analysis is made on its significance and problems in Hebei province, and given the Suggestions.
The parameters of the model are identified by using step by step searching approach which divided into two steps. Combining trafficsurvey data, it gives a simulation study finally.