By analyzing the freeway macroscopic dynamic traffic flow model, the paper presents a neural network model for traffic flow.

通过对高速公路宏观动态交通流模型的分析，提出了动态交通流的神经网络模型。

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Then, the BP neural network is trained by using traffic flow data from a section of freeway and the network model parameters can be obtained.

并利用一段高速公路的交通流数据对BP神经网络进行训练，得到网络参数。

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The gardens and playgrounds have been replaced by skips and abandoned cars, and the Presleys' old building is now overshadowed by a freeway overpass that blocks out the sunsets on the Mississippi.

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In 1983 this magazine had a story about telecommuting, illustrated by a vacant freeway.

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He cited a 1994 feasibility study by WS Atkins, a U.K. engineering firm, which concluded that a freeway would only shift bottlenecks around rather than increase the city's traffic carrying capacity.

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