Basic Data

Route	From-to	Length	Fare	Hours (summer)	Hours (winter)	Bus length	Demand map
21	帽儿山 - 太安胡同	14.0 km	1 yuan	06:10 - 19:00	06:10 - 18:40	8.5m
21r	太安胡同 - 帽儿山	14.0 km	1 yuan	06:05 - 18:30	06:05 - 18:00	8.5m

Summer performance

AM Peak Performance

Route	From-to	AM Peak
		Buses/hr	Boarding/bus-km	Speed	Trip time	Route on / trip (hour)	Trip max load (route)
21	帽儿山 - 太安胡同	4.50	3.33	17.9 km/hr	47 mins	47 (210)	25.5 (115)
21r	太安胡同 - 帽儿山	4.92	5.25	6.8 km/hr	123 mins	68 (336)	33.5 (165)

PM Peak Performance

Route	From-to	PM Peak
		Buses/hr	Boarding/bus-km	Speed	Trip time	Route on / trip (hour)	Trip max load (route)
21	帽儿山 - 太安胡同	4.00	2.74	21.0 km/hr	40 mins	38 (154)	16.5 (66)
21r	太安胡同 - 帽儿山	5.00	2.74	20.7 km/hr	41 mins	36 (178)	16.8 (84)

Winter performance

AM Peak Performance

Route	From-to	AM Peak
		Buses/hr	Boarding/bus-km	Speed	Trip time	Route on / trip (hour)	Trip max load (route)
21	帽儿山 - 太安胡同	5.00	3.32	km/hr	mins	46 (209)	21.4 (107)
21r	太安胡同 - 帽儿山	5.00	4.34	km/hr	mins	56 (277)	23.9 (120)

PM Peak Performance

Route	From-to	PM Peak
		Buses/hr	Boarding/bus-km	Speed	Trip time	Route on / trip (hour)	Trip max load (route)
21	帽儿山 - 太安胡同	5.00	4.36	km/hr	mins	61 (244)	32.7 (164)
21r	太安胡同 - 帽儿山	6.00	4.01	km/hr	mins	52 (261)	26.1 (157)

AM & PM peaks, per trip & per hour