交通拥堵判别技术是及时掌握城市道路交通拥堵状况的重要方式之一。

Traffic congestion identification technology is one of the important ways to grasp the status of city road congestion.

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城市轨道交通作为城市公共交通的骨干，对于缓解城市道路交通拥堵，构建低碳、节能环保的出行方式，发挥着重要的作用。

Urban rail transit, as the backbone of urban public transit, plays an important part in relieving traffic jams and shaping low-carbon, energy conservation and environmental protection trip mode.

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