【摘要】 基于地理信息系统,TransCAD软件在交通规划中简化并完善了交通需求预测的建模过程.对于模型选择的关键问题,尤其对交通需求预测中的交通分布、交通分配两步骤的模型进行详细探讨.最后给出应用TransCAD软件对大庆市市区交通需求进行预测的算例,得到与实际调查相符的交通量分配结果.更多还原

【Abstract】 Urban traffic planning plays an important role in city planning and construction.The application and development of TransCAD for urban traffic planning is discussed.TransCAD is a new tool for transportation planners to do planning,modeling,streamlining,improving the demand modeling process,and keys modeling with TransCAD,and trip distribution and traffic assignment in travel demand in particular.As an example,the application of Tran s CAD to predict traffic demand in Daqing is detailed,and good results obtiained are in good agreement with the traffic survey.更多还原