Beijing-Taiwan Expressway (Langfang section) is also an important part of the third channel between Beijing and Tianjin, and it is an important traffic channel connecting North China, East China and even Southeast China. The starting point of Beijing-Taiwan Expressway (Langfang section) is located at the boundary of Beijing-Hebei Province between Huotouying Village and Gaoxiaozhai Village in Langfang City, which is connected with the Beijing section of Beijing-Taiwan Expressway, passing through Huotouying, Zhangjiawu, Yongding River, Caojiawu, Yongqing Industrial Park, Bieguzhuang and Wharf Town in the south, and finally reaching Mujiakou Village in Beijing-Tianjin boundary, which is connected with the Tianjin section of Beijing-Taiwan Expressway under construction.

It passes through 8 towns and 29 villages along the route, with a total length of about 53 kilometers. The whole section is constructed according to the highway standard, with the design speed of 120km/h, in which the interchange section from the starting point to Cang Lang hub is 28.9km, constructed according to the standard of two-way eight-lane highway, with the subgrade width of 42m and the interchange section from Cang Lang hub to the junction of Tianjin and Hebei is 24.27km, constructed according to the standard of two-way six-lane highway, with the subgrade width of 34.5m..

There are 6 interchanges in Kyushu Hub, Caojiawu, Yongqing, Cang Lang Hub, Wharf and Donganzhuang; Wanzhuang and Bieguzhuang have two service areas, two maintenance work areas, 1 information management center, 1 extra large bridge, five large bridges, 12 medium bridge, five separated interchanges, two main toll stations and five ramp toll stations.

After the Beijing-Taiwan Expressway (Langfang section) was completed and opened to traffic, it reached the Capital Airport in the north and Tianjin Port, Tianjin Airport, Tangshan Port and Caofeidian Port in the east, which added a fast passage for Langfang to "enter the sea from heaven".