Recently, the winning bid for the preliminary design of the Langzhuo Expressway Reconstruction and Expansion Project has been released. CCCC No. 1 Highway Survey and Design Research Institute Co., Ltd. is the first bid winner, with an estimated total investment of 9.588 billion yuan.

Project Overview

The reconstruction and expansion project of Langzhuo Expressway has been included in the "14th Five-Year Plan" of Hebei Provincial Highway Development. It is a key expressway project in Hebei Province. Capacity is important.

The starting point of the project is located at the Langfang West Interchange, the starting point is K237+107, crosses the Tiantang River and Yongding River to the west, passes through the Gu’an East Interchange, passes through the Beijing-Xiong Intercity High-speed Railway, and then reaches Lihewu, then passes through the Beijing-Kowloon Railway and National Highway 106 Afterwards, continue westward to cross Daguang Expressway and Mangniu River via Shilipu, intersect with Jingxiong Expressway, pass through Dongwan Interchange, cross Baigou River to Liuhe Yingnan, and then go west via Jingbai Highway, Beijing-Hong Kong-Macao Expressway, Linjia Expressway Tun, after getting on Cross-country Highway 107 and Beijing-Guangzhou Railway, it ends at the bridge head on the west side of the separation interchange of Jingguang Railway. Designed according to the expressway standard in the plain area, the roadbed is 42m wide, and it is a fully enclosed two-way eight-lane expressway with a design speed of 120km/h. The estimated total investment amount is 9.588 billion yuan. Keywords: engineering news, engineering construction information, engineering construction

Main works

There are 3 large bridges to be rebuilt and extended along the whole line, with a total length of 13,458 meters, and 6 large bridges, with a total length of 1,886 meters. There are 8 middle bridges with a total length of 485 meters; 23 small bridges with a total length of 436 meters; 8 culverts, 24 passages, 11 interchanges and 31 separate interchanges. The housing construction project includes 7 toll stations and 2 service areas. There are 2 connection lines, namely, the Gaoguanzhuang Interchange Connection Line is 5.72km long, and the Gu'an East Interchange Connection Line is 7.03km long. Editor / Zhao E