Road maintenance in Sichuan, which reduced traffic capacity, is the major cause of the massive jam, said the report.

据悉，堵车原因主要是四川境内部分路段维修，导致通行能力减弱。

youdao

Strengthen the traffic capacity of Jingmi Road. Set an entrance on the southeast of the site connected with Jingmi Road to reduce the traffic pressure on Jiuxianqiao junction.

加强京密路方向的通行能力，在地段东南与京密路交汇处设置场地出入口。分散酒仙桥路口的交通压力。

youdao

Through the evaluation of the road junction, to find the intersection in the operation of the main problems, and ensure traffic safety and enhance the capacity of the intersection.

通过评价道路交叉口，找出该交叉口运行中存在的主要问题，保证行车安全和提高交叉口的通行能力。

youdao

The development of artificial intelligence-based approaches to junction control is one of many new and promising technologies that can make better use of existing urban and road capacity, while reducing the environmental impacts of road traffic.

ENGADGET: Scientists investigating AI-based traffic control, so we can only blame the jams on ourselves

The regional transport studies on which Mr Darling's new road-building plans are based, concluded that demand is so intense around London that charging must be introduced if the new road capacity is not to fill up with traffic at almost the same level of congestion.

ECONOMIST: Labour's transport U-turn