On December 28, 2019, the main line of the yanqing to chongli expressway (hebei section), a major transportation service guarantee project for the 2022 winter Olympic Games built by the second company of China railway 23rd bureau group, passed the acceptance inspection with a score of 99.58.

Organized by hebei highway group co., LTD., the five expert groups of comprehensive, bridge and tunnel, roadbed and road surface, communication and safety house construction and interior industry carried out a comprehensive inspection and acceptance of the project through field inspection of the project site, consulting various internal industry information, expert group evaluation and other ways. And on the morning of December 28, held by hebei highway group co., LTD., traffic administration bureau, highway traffic police corps, zhangjiakou traffic police detachment related departments responsible comrades, as well as design, supervision, construction unit representatives and more than 80 people to participate in the project acceptance summary meeting. Through the comprehensive evaluation with 99.58 points passed the acceptance of the work. The meeting asked the construction units to hurry up the disposal of defects and speed up the completion of the remaining projects. At the same time, it is necessary to summarize and improve the engineering highlights, scientific and technological innovation achievements and the successful experience of highway construction in mountain and heavy mountain areas, and strive to create “ Fang hj award & throughout; And & other Luban prize & throughout; .

Construction of the project started in August 2017 and was jointly undertaken by 14 construction units, including China railway no. 23 bureau, China railway no. 4 bureau and China communications no. 1 bureau. As China the only cooperated-builing railway construction group, China railway bureau group 23 to overcome difficult, overcome the because of the tight shutdown caused by objective reasons, the green environmental protection requirement is high, the tunnel construction safety risk adverse factors, such as safety and quality efficiently finished drawing high speed highway bid ZT3 two tunnel and bridge construction tasks, such as made an all-round victory in the Olympic traffic security engineering construction, won a reputation for the enterprise.

It is reported that the hebei section of yanjingzao highway starts from the beijing-hebei boundary east of jinjiakou village, huailai county, zhangjiakou city, and connects with the Beijing section of yanjingzao highway, passing through huailai county, chicheng county and chongli district, and ends at taizi town north of chengliang village, chongli district. The main line, with a total length of 81.552 kilometers and four lanes in both directions, is a major transportation service guarantee project for the 2022 winter Olympics. (Yang jingshuang)