The advanced urban traffic signal control system has an important effect on improving the traffic condition and sufficiently utilizing roadway capacity of the existing road.

先进的城市交通信号控制系统对改善交通状况，充分利用现有道路的通行能力起着重要作用。

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Are you satisfied with the existing road safety condition of Nathan road?

您对现有的弥敦道交通安全情况感到满意吗？

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This paper brings up a new method that can predict the transfer traffic volume of new highways based on the link flow of an existing road network.

提出一种基于现状路网路段交通量来预测新建公路转移交通量的预测方法。

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Second, the bureaucrats say they will accept privatisation only if existing road-building plans do not change.

ECONOMIST: Once again, Japan's bureaucrats are under attack

The utilization of existing road capacity will also be increased with a potential consequential reduction in journey times.

ENGADGET: Volvo's driverless road train in Spain is public mainly on the plain (video)

They preferred a "yellow" option because it made use of existing road infrastructure.

BBC: Bontnewydd bypass route options