Line 14 of the Beijing Subway (Chinese: 北京地铁14号线; pinyin: běijīng dìtiě shísì hàoxiàn) is a rapid transit rail line in the south and east of Beijing. The line is operated by the Beijing MTR Corporation Limited. It runs across the southern and eastern fringes of urban Beijing from Zhangguozhuang west of the Yongding River in the southwest corner of the city to Shangezhuang in the northeast corner. Line 14 will be 47.3 km (29.4 mi) in length and have 36 stations (33 in operation).