On December 3, in the morning, wuhan metro line 8, street mouth station ~ ma fangshan station, left line No.2, shield tunneling machine cutter began to turn, marking the construction of wuhan metro line 8, the last tunnel officially began to dig. Between yaokou station and mafangshan station, it starts at the intersection of future city hotel on lousi road, extends southward along lousi road, and stops at the intersection of lousi road and hongda lane. The line is completely laid along lousi road.

At 10:58 on November 30, with the roar of firecrackers, the second TBM "fushan" of Qingdao metro line 4 civil engineering area of China railway construction bridge engineering bureau group co., ltd. was successfully launched, marking the beginning of the second journey of tunneling in lijiu section of Qingdao metro line 4.