CCTV News: At the beginning of the New Year, major transportation projects such as tunnels, highways, bridges, and underground hubs are being accelerated, adding another momentum to economic and social development.

Changtai Yangtze River Bridge: Open to traffic and is busy with "sprinting".

The Changtai Yangtze River Bridge, which has been built for more than five years, is the world's largest span cable-stayed bridge. It is also the first crossing channel on the Yangtze River that integrates highways, intercity railways and ordinary roads. It will be basically completed this year. After opening the traffic, the passage time between Changzhou and Taizhou has been shortened from 1 hour and 20 minutes to more than 20 minutes. At present, whether the super-height tower crane used when building bridge towers can be removed safely and smoothly is directly related to the bridge's scheduled opening.

The first steel beam of the main tower of the Lion Ocean Bridge is being erected

The Lion Ocean Bridge is a key control project of the Lion Ocean Passage project, with a main span of 2,180 meters. It is another super project in the Guangdong-Hong Kong-Macao Greater Bay Area after the Hong Kong-Zhuhai-Macao Bridge and the Shenzhen-China Channel. The total length of the Lion Ocean Pass is about 35 kilometers, with a total of 16 lanes on both upper and lower layers, crossing the Pearl River and connecting Guangzhou Nansha and Dongguan. At present, the first steel beam of the main tower of the bridge is being erected. This year, the Lion Ocean Bridge will usher in several major nodes. After completion, it will open up a new important channel for the integration and development of the east and west sides of the Pearl River Estuary.

Railway construction projects in various places are being accelerated

Since this year, railway construction projects in various places are also being accelerated. At present, the Hubei section of the Yangtze River High-speed Railway is accelerating from three points in the east, middle and west. It is sprinting to be fully completed by 2030. Construction personnel from Yichang to Fuling are entering the site one after another; from Wuhan to Yichang, more than 6,000 workers are fighting along the construction line; at the construction site of the Jushui Super Bridge from Hefei to Wuhan, nearly 100 bridge piers are rising up from the ground. The entire tunnel of the Xiyan High-speed Railway has been successfully completed. After the line is completed and put into operation, the operating time from Xi'an to Yan'an will be shortened from the current 2 and a half hours to about one hour. On the Chengdu-Da-Wan High-speed Railway connecting Chengdu, Dazhou and Wanzhou, Chongqing, 7 new station buildings have also been fully started.

The Beijing Urban Sub-Center Station Hub is basically completed by the end of the year.

The Beijing Urban Sub-Center Station Comprehensive Transportation Hub has a construction area of ​​1.28 million square meters. After completion, it will become Asia's largest underground comprehensive transportation hub. This transportation hub integrates 2 intercity railways, 4 rail transits, 1 suburban railway, and 15 bus connection lines. It is planned to be basically completed by the end of this year, which will add new vitality to the coordinated development of Beijing, Tianjin and Hebei.

The "fine decoration" of Tianshan Shengli Tunnel is being promoted in full swing.

At the end of last year, the world's longest expressway tunnel, the Tianshan Shengli Tunnel, was fully completed. At present, hundreds of workers are busy pouring cable trenches and gutters. With the comprehensive advancement of the "fine decoration" of the Tianshan Shengli Tunnel, a full-line control project, the 319.7-kilometer-long Xinjiang Wuwei Expressway has also entered the countdown to open to traffic. It is expected that after opening to traffic in the second half of this year, the driving distance from Urumqi to Korla will be shortened from more than 7 hours to about 3 hours, and it only takes about 20 minutes to drive across the Tianshan Mountains.

The "digital intelligence" capability of the construction of major transportation projects is constantly improving

While the construction of major transportation projects is pressing the "acceleration key", the "digital intelligence" capability is also constantly improving. At the construction site of Xiaoyangshan North Operation Area, Yangshan Port, Shanghai Port, more than 100 construction ships and more than 1,200 workers are undergoing the installation of new barrel infrastructure. At the site of the third phase renovation and expansion project of Phoenix International Airport in Sanya, Hainan, workers are busy on the newly built steel structure roof. The project uses 5G, cloud computing and other technologies to improve the accuracy and efficiency of construction. At present, the steel structure of the T3 terminal building has been initially formed and the project is expected to be completed by the end of this year.