城市规划人员在初次竣工时，应当多建造公路来提高交通运输最大能力，而不是建造那些4至8车道的高速公路。这些狭窄的高速公路日后必定将超负荷运转。

The city planners should build the roads to handle maximum traffic capacity at the time of initial completion instead of building 4-8 lane expressways that will always operate above their threshold.

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建立了一个基于多车道动态离散交通流模型的高速公路入口匝道流量优化控制模型。

An optimal control model of on-ramp metering was constructed, which was based on the dynamic discrete traffic flow model in multilane freeway.

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