Metro Line 2 passes through jianye district, Gulou District, Qinhuai District, Xuanwu District and Qixia District. The line starts from Yu Zui Station in the west, passes through the central area of Hexi New Town in the north, goes all the way east along the east-west central axis of Nanjing main city, goes around Zijin Mountain in the south, enters Xianlin University Town, and goes to Jingtianlu Station in the east.

The total length of Metro Line 2 is 43.35km, of which the underground section is 27.55km, the aboveground section 15.8km, and the elevated section. * * * Set up 30 stations, including 2 underground stations1station, 2 ground stations and 7 elevated stations; The train consists of six A-type trains with a maximum running speed of 80 km/h, which are jointly manufactured by CRRC Nanjing Puzhen Vehicle Co., Ltd. and Alstom France.

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Nanjing Metro Line 2 is an east-west backbone line connecting the center of the main city and the sub-center of the city, connecting several scenic spots in Nanjing in series. The opening of Metro Line 2 has brought great convenience to Xianlin University Town.

With the opening of Metro Line 2, the real subway transportation network in Nanjing has taken shape. This cross-shaped subway network, which is composed of 1 line, Line 2 and Line 2, has alleviated the road congestion from Hanzhong Road to Zhongshan Gate in the rush hour to a certain extent, relieved the traffic pressure of some bus lines in the east and west lines, and played a great role in building urban public transport networks and alleviating the traffic pressure in the city.