structural:summarization, information:extraction
Metro

Line 2, running through the city from north (North Railway Station) to south (Weiqu Nan), was the first line opened to the public on September 16, 2011. Operations began on September 28, 2011. This line is 19.9 kilometers (12.4 miles) long with 17 stations. Line 1 opened on September 15, 2013. As a west–east railway, its 19 stations connect Houweizhai and Fangzhicheng. Line 3 runs from northeast (Baoshuiqu) to southwest (Yuhuazhai) and opened on November 8, 2016. Line 4, which is basically parallel to Line 2 on its east except for the northern parts, runs from the North Square of the North Railway Station to south (Hangtianxincheng) and was available publicly on December 26, 2018. Line 5 opened on December 28, 2020. This line is 41.6 kilometers long, with 31 stations from Matengkong to Chuangxingang.

Line 16 opened on June 27, 2023, and is 15.03 kilometers long, and runs from Qinchuangyuanzhongxin to Shijingli with 9 stations. Four more lines are currently under construction, including an extension of Line 1.

The subway system covers some of the most famous attractions, such as Banpo Museum (Banpo Station, Line 1), Bell and Drum Tower (Line 2), Fortifications of Xi'an (Line 2), the Giant Wild Goose Pagoda (Line 3 and Line 4), the Daminggong National Heritage Park (Line 4) and Shaanxi History Museum (Line 2, 3 and 4), etc.

The first metro departure time for Line 1, 2, 3 and 4 is 6:00, the last metro departure time for Line 3 and 4 is 23:00, for Line 1 is 23:30, and for Line 2 is 23:50.

On December 30, 2008, a fire accident occurred that was extinguished within an hour and all workers evacuated safely. Sixty-six hours later, on January 2, another fire occurred at another station on Line 2.