On November 13, with the shield machine breaking through the ground at the southern end of yining road station, the left line of shield tunnel between huashan road station and yining road station of hefei rail transit line 4 was successfully completed, becoming the 29th single-line tunnel of line 4.

Recently, the bottom plate of the middle air shaft from the south of the second phase university of line 7 to the deep shaft (hereinafter referred to as "deep shaft") was poured successfully, becoming the first work site on the whole line to complete the bottom sealing of the foundation pit.

On October 31, shield tunneling machine "qiji number" on the right line of shenzhen metro line 12 (xinan park station - tongle station) started smoothly in xinan park station, marking that the shield tunneling in this area has officially entered the construction stage!

Recently, with the loud roar of the cutter plate of endeavour's shield machine, the right line shield was successfully launched between lintou and nanyong station (hereinafter referred to as "linnan section") of the west extension of line 7, indicating that the entire line of shield was launched. On the same day, between midea avenue and beijiao new town station (hereinafter referred to as "beijiao station"), the left line shield machine "urban rail youth" successfully emerged from the hole after overcoming multiple construction challenges (all are tentative names of the projects).

Recently, as the concrete portal at the receiving end of jinqiao passenger terminal slowly fell down, the cutter plate of no.187 shield machine appeared in everyone's sight. In the scene of enthusiastic cheers, nanning rail transit line 5 construction site again from the good news, by the construction of the fifth engineering bureau co., LTD. Contracted by the "jiangqiao station - jinqiao passenger station" section of the left line tunnel smoothly through.

On October 11, China railway "endeavour no. 3" shield tunneling machine at the left line of kengsha fengjing, which means that the third shield in the pingshan section of shenzhen rail transit line 14 started smoothly, and the shield construction in the pingshan section of subway construction took another big step forward!