On December 31, 2016 (Saturday), BJL16 North opened officially for trial operation. On Day One, timetable for weekday was applied. 256 train trips were arranged, the headway is 8 minutes. Up to 8:00, number of passenger entering/exiting BJL16 North stations is about 4500, the service is stable and smooth.
On the same day, BJL14 Chaoyang Park station opened also. Up to 8:00,number of passenger entering/exiting BJL4 Chaoyang Park station is 450, the operation is stable and smooth.