The road discipline is one of the leading disciplines in our Institute, with a remarkable history and the technical level in the leading position in China. TMEDI has undertaken over 1300 kilometers of freeways in national highway networks such as Beijing-Harbin Freeway, Beijing-Shanghai Freeway, Changshen Freeway, Rongwu Freeway, and Binbao Freeway. It has completed the design tasks of nearly a thousand kilometers of urban expressways, tens of thousands of kilometers of urban roads and highways, and has accomplished projects in 31 provinces, cities, and autonomous regions across the country.