According to the survey, almost every central city where high-speed rail passes, there are "blocked" issues requiring “dredging”. The Guangming Road is located in the center of Langfang, China, where the city and Guangming Road are divided by the Beijing-Shanghai high-speed railway. The broken road had increased local traffic congestion and carbon emissions. In order to effectively ensure the smooth circulation of vehicles in the east and west urban areas of Langfang, The project were implemented in 2021, connecting the Guangming East Road and West Road by the upper-span-railway bridge.
