On July 7, the project of Shengsi to Dinghai Road from Putolu Jiashi to Donggang Road started successfully, marking that the project officially entered the construction stage of shield and began to cross the river and the sea.

Recently, the shield tunneling of the left section between Yantong Park Station and Cuihu Station of Kunming Metro Line 5 started smoothly, marking the construction of the left section of the tunnel between Yantong Park Station and Cuihu Station of Kunming Metro Line 5 contracted by China Railway 18 Bureau 4 Company.

Changsha metro Line 6 construction ushered in a new progress. July 2, Changsha Metro Line 6 project Department of China Railway No.5 Engineering Group learned that the main structure of Changsha Metro Line 6 station was capped yesterday, which is the first capped station of the western section of metro line 6, 20 days ahead of schedule.

On June 26, 6.28 meters in diameter, total length of 91 meters, weighing more than 500 tons of a large bay area of guangdong, the pearl river delta configuration of water resources the main tunnel is the first project of shield machine, "guangdong 44", in D2 label SZ29-1 officially starting work well, marks the national major water conservancy project formally entered the stage of main water conveyance tunnel of shield construction, new horn plays engineering construction.

Recently, as the "departure" 2 whole section tunnel boring machine (TBM) cutter slowly from the receiver to break rock, which means that the central park station to the smooth realization of the left line between rock temple station tunnel breakthrough, achieved after return to work and production stages in the construction of rail transit, at the same time for the second phase of line 9 promote the next phase of track-laying and other follow-up work has laid a solid foundation.