"144600.0" . . . "Huairou\u2013Miyun line" . . . "2017-12-31" . . . . . . "2017" . "Huairou\u2013Miyun line" . . . ":Huairou\u2013Miyun line" . "Operational" . . . . "Beijing Suburban:
Huairou-Miyun" . . . . "7" .