Accurate statistics are crucial for understanding the state of road safety and measuring the impact of efforts to improve it.

准确的统计数据对于了解道路安全状况以及衡量道路安全改进工作具有的影响至关重要。

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So, this paper can discriminate the state of road traffic. The negative entropy flow model can ensure the extent of traffic management and the best management time should be taken when road is crowed.

在提出流体力学道路交通压力的概念基础上，选取适当的熵模型和关键的交通状态参数，运用非平衡态热力学的理论 方法建立道路交通系统熵模型和负熵流模型。

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They would be allowed to send groups of self-driving cars on cross-state road trips, and even set up on-demand fleets of self-driving cars, like the one General Motors and Lyft are building.

他们将被允许派遣自动驾驶汽车小组进行跨州公路旅行，甚至可以按需组建自动驾驶汽车车队，比如通用汽车和莱福特正在组建的车队。

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Officers said they had spoken to Lincolnshire County Council about the state of the road.

BBC: Pothole

On Wednesday, the Indian and Pakistani chief ministers of the divided state of Punjab inaugurated a new road that will link the Indian city of Amritsar to Nankana Sahib in Pakistan.

BBC: NEWS | South Asia | Musharraf to watch Delhi match

Opposition politicians have called for the head of the state road-building agency GDDKiA to resign over the affair.

BBC: Poland hurt by EU aid freeze over suspicious road deal