The reporter learned from China Railway Construction Co., Ltd. on the 28th that at the end of the year, many transport infrastructure projects in China were completed and opened to traffic, which added impetus to the convenient and efficient travel of people along the line and the regional economic and social development. In Hubei, Huangshi Modern Tram Phase I Project, the first prefecture level city tram in Hubei Province, participated by China Railway Sixteenth Bureau Group, was completed and opened to traffic, helping Huangshi, an old industrial city, glow with new vitality and vitality. According to Lou Lixin, the project leader of China Railway 16th Bureau, the modern tram project in Huangshi, Hubei, has a total length of 26.88 kilometers and 29 stations, which is the largest investment and most complex urban infrastructure construction project since Huangshi was founded. After the project is completed and opened to traffic, it can further help Huangshi to build an urban three-dimensional transportation system, ease the pressure of traffic congestion along the line, and facilitate the travel of citizens. In Henan, Huaxian Weihui Section of Puyang Weihui Expressway, a key expressway project in Henan Province participated by China Railway 16th Bureau Group, was completed and opened to traffic, and the construction of "meter" shaped comprehensive transportation corridor in Henan Province was further improved. According to Zhao Xiangjun, the project leader of China Railway 16th Bureau, the sliding section of Puwei Expressway is about 59 kilometers long, with a design speed of 120 kilometers per hour. After being opened to traffic, it can meet the fast traffic demand between Huaxian and Weihui, and promote industrial integration and coordinated development in Northeast Henan. In Jiangsu, the north section of Nanjing Metro Line 7, the first fully automatic driverless subway line in Nanjing, which was built by China Railway 18th Bureau Group, was officially opened to traffic. According to Fu Kui, the project leader of China Railway 18th Bureau, the north section of Nanjing Metro Line 7 is 13.84km long, with 10 stations. The line adopts the highest level GOA4 design of fully automatic operation of urban rail transit vehicles to achieve fully automatic unmanned driving. In Guangdong, Shenzhen Metro Line 16, which was contracted by China Railway Construction South Corporation, was put into operation. So far, the new mileage of Shenzhen's subway lines this year has reached 128 kilometers, forming a network pattern of 17 operating lines and 559 kilometers of line network length. According to Dong Zhi, the chief engineer of China Railway Construction Southern Corporation, Shenzhen Metro Line 16 is 29.2 kilometers long and passes through the major urban areas of Shenzhen, such as Dayun New City, Longgang Central City and Pingshan Central District. The whole line also adopts the highest level GOA4 design of fully automatic operation of urban rail transit vehicles. All operation scenarios and emergency handling scenarios are automated. The predicted long-term daily traffic volume is close to one million person times, which will greatly facilitate public travel. (Liu Xinshe)