R20
Houjing
Loading metro arrivals
Lines and service intervals
RRed LineWeekdaysPeak: about 4–6 min; off-peak: about 6–8 minSaturdayAbout every 6–8 minSundayPeak: about 5–6 min; off-peak: about 6–8 min
First and last trains
R3To SiaogangDays before holidays, Weekdays, Weekends and holidays, and SundayFirst06:07Last00:12
RK1To Gangshan StationWeekdays, Weekends and holidays, and SundayFirst06:19Last00:41