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On 26 December 2015 the middle section of Beijing Metro Line 14 opened for operation, the middle section of Line 14 will continue south at Jintai Road to the University of Technology, then west through Beijing South Station, ending at Youanmenwai Station, when it opens for operation, the middle section of Line 14 will be in operation with the east section of Line 14, the middle section is about 20.3 km long, with a total of 20 stations, the metro has 260 passages using Aversys (Suzhou) The construction unit, Beijing Rail Transit Construction Management Co., Ltd, confirmed that the product series has been operating well in the eastern section of Beijing Metro Line 14 for one year since it was put into operation.