Xi'an metro line 4 starts at the aerospace industry base and ends at the North Passenger Station. The total length of the line is 35.2km, and all of the 29 stations are underground lines. The line has successively passed through four administrative regions, including YanTa district, BeiLin district, New Urban district and WeiYang district, and connected three development zones, such as aerospace industry base, QuJiang new district and economic development zone. The main direction of Xi'an metro line 4 is north-south, running through Xi'an national civil space industry base, QuJiang new district, YanTa district, BeiLin district, MingCheng central district, WeiYang district, economic and technological development zone, etc.The large passenger flow nodes include Dayan pagoda, Lijia village, Dazha city, railway station, North passenger station (North square), etc. From south to north, the line is along with Aerospace south road, Shenzhou four road, Furong west road, Yanta north road, Heping road, Jiefang road, Taihua road, Fengcheng eight road, Ming guang road, North station (North square) north square, planning east to west road layout.
There are 11 transfer stations in the whole line, and transfer to line 1, 2, 3, 5 and 6 in the construction plan, transfer to line 7, 8, 11 and 14 in the forward network plan, and transfer to intercity airport line. Our company has successfully provided nearly 700 sets of shear doors for Xi'an metro line 4 project, which is expected to put into service in 2018 .
