The total length of the expressway on the north line of Daxing Airport is 24.58 kilometers. Among them, the middle section opened today is the East-West Beijing-Taiwan Expressway, with a design length of 14.66 km. In the future, it will extend from the Beijing-Taiwan Expressway to the Beijing-Hebei border (Langfang) and the west from the Jingkai Expressway to the Beijing-Hebei side (Zhuozhou). After the opening of the northern line of the new airport, it will meet the traffic needs around the new airport and build the main framework of Beijing-Tianjin-Hebei transportation integration.