Chongqing municipal key project, Yuhuai Second-Line Wulong segment Farm No.1 tunnel has been connected recently, and became the second two-kilometer long line of Fuling and Meijiang river that been connected. According to the constructor, 8th bureau of CREC, the second line of Yuhuai Railway is national grade I line, whose designed speed is 120 km/h, whose Wulong section is 51 km long, passing through Baima, Yangjiao, Tukan and Xiangkou and 4 stations are designed. At present, the whole project construction has been carried out in an orderly manner, and it has completed 75% of the total amount of works. Contractor saidthey will further elaborate organization and scientific resources, and reasonable arrange the construction process, strengthen the safety and quality control, ensure that the rest of the tunnel, bridge, roadbed engineering safety construction task according to the time limit for a project.