Jinyuding Tunnel of Longlong Railway runs through: the total length of the main line is 4425.11 meters.

Thanks to CTOnews.com netizen grass Luo Yuzi for the clue delivery! CTOnews.com September 19, according to Xinhua News Agency, learned from China Railway Construction Co., Ltd., China Railway 24 Bureau Group is responsible for the construction of the long (Yan) long (Sichuan) railway Jinyuding tunnel has been successfully completed.

According to reports, Jinyuding Tunnel is a heavy and difficult control project on the whole line of Longlong Railway. It is a single-hole and double-lane tunnel with a total length of 4425.11 meters. Three sections of the tunnel pass through the fault, and the geological conditions are complex. It is the tunnel with the most complex geological conditions, the worst construction environment and the highest difficulty in the Fujian section of Longlong Railway. The construction personnel innovate the construction method to ensure the accuracy of tunnel excavation and construction safety.

CTOnews.com learned that Longlong Railway is the regional link of the national "medium-and long-term Railway Network Planning" high-speed railway, with a total length of about 265km, with a designed speed of 250km / h for the section from Longyan to Meizhou and 350km / h for the section from Meizhou to Longchuan. After it is completed and opened to traffic, it will further promote the economic and social development of the areas along the route.