中国首条长距离十车道高速公路全线通车

Core Points - The opening of the upgraded section of the Jingha Expressway marks a significant upgrade in the highway network of Northeast China, transitioning to a dual ten-lane operation [1] - The Jingha Expressway is a crucial transportation artery in Northeast China, connecting major cities and facilitating trade and travel [1] - The expansion project, which began in August 2022, was executed under complex conditions and is part of China's major transportation initiatives during the 14th Five-Year Plan [1] Group 1 - The Jingha Expressway is the first of seven capital radial lines in China's national expressway network, starting from Beijing and ending in Harbin, with a total length of 238.04 kilometers [1] - The original section of the Jingha Expressway had been in operation for 22 years and was increasingly unable to meet rising traffic demands due to its original six-lane capacity [1] - The newly expanded expressway will significantly alleviate regional traffic pressure and support the integration of Liaoning into the Beijing-Tianjin-Hebei collaborative development strategy [1] Group 2 - The mainline of the upgraded expressway spans 222.08 kilometers, with a designed speed of 120 kilometers per hour [1] - This project is the largest in terms of investment scale, longest in construction mileage, and highest in technical complexity in Liaoning Province to date [1] - The completion of the expressway is expected to enhance the overall capacity of the national comprehensive transportation corridor [1]