根据规划期末城市的人口和用地规模、土地使用状况和社会、经济发展水平等因素，对客、货运输的发展趋势、交通方式的构成、道路的交通量等进行定性和定量的分析估算。
交通流预测在城市交通管理和控制中起着十分重要的作用。
Traffic volume prediction plays a very important role in urban traffic management and control.
汽车保有量的预测是城市交通规划的一项基础性工作，是制定各种交通需求管理措施的重要依据。
The forecast of vehicle ownership is a basic work to urban transportation planning and also is an important basis for urban to make a variety of travel demand management measures.
城市快速路是城市交通系统的大动脉，快速路的旅行时间预测具有十分重要的意义。
And the urban expressway is the main artery of the city transport system, so there is great significance in the travel time forecast of the urban expressway.
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