The Implications of Converting a High-Volume Multilane Roundabout into a Turbo Roundabout

Table 7

Queue length, vehicle delay, and LOS (alternative design 1).

Movement	Queue length (m)		Delay (second per vehicle)			Level of service (LOS)
	Traditional	Rotor	Traditional	Rotor	Change (±%)	Traditional	Rotor
NBR	218.31	3.83	63.55	5.08	−92.1	F	A
NBT	218.31	8.22	58.51	11.81	−79.82	F	B
NBL	218.31	9.81	63.31	15.67	−75.25	F	C
WBR	191.51	47.15	56.18	137.16	+144.14	F	F
WBT	191.51	518.61	54.1	80.02	+47.91	F	F
WBL	191.51	518.81	55.85	71.68	+28.34	F	F
SBR	258.94	0.18	96.73	2.65	−97.26	F	A
SBT	258.94	2.04	97.9	6.55	−93.31	F	A
SBL	258.94	3.30	96.6	8.61	−91.09	F	A
EBR	412	41.64	65.1	120.83	+85.61	F	F
EBT	412	551.31	59.21	72.51	+22.46	F	F
EBL	412	551.25	60.57	64.17	+5.94	F	F
Roundabout	270.19	180.33	61.62	48.72	−20.93	F	E