Table 4 - Percentile and Pace Speed Characteristics | Bureau of Transportation Statistics

Table 4 - Percentile and Pace Speed Characteristics

Site (highway)	Direction	Lane	15th percentile speed (u₁₅)	85th percentile speed (u₈₅)	10 mph pace	Vehicles in pace (%)
320 (I-75)	NB	Shoulder	64	76	66 - 76	66
		Middle	69	79	70 - 80	76
		Median	75	83	74 - 84	76
	SB	Shoulder	63	75	66 - 76	66
		Middle	70	80	71 - 81	78
		Median	76	86	76 - 86	70
9904 (I-75)	NB	Shoulder	62	73	65 - 75	68
		Middle	69	77	67 - 77	77
		Median	73	80	71 - 81	76
	SB	Shoulder	64	74	65 - 75	77
		Middle	71	79	68 - 78	75
		Median	74	82	70 - 80	70
9905 (I-95)	NB	Shoulder	63	74	63 - 73	68
		Middle	68	78	68 - 78	72
		Median	72	83	74 - 84	60
	SB	Shoulder	63	73	63 - 73	70
		Middle	69	78	70 - 80	78
		Median	73	81	74 - 84	72

Site (highway)	Direction	Lane	15th percentile speed (u₁₅)	85th percentile speed (u₈₅)	10 mph pace	Vehicles in pace (%)
9901 (I-10)	WB	Shoulder	67	78	69 - 79	69
	WB	Median	73	82	73 - 83	75
	EB	Shoulder	67	78	69 - 79	70
	EB	Median	73	82	73 - 83	72
9928 (I-10)	WB	Shoulder	62	73	64 - 74	66
	WB	Median	69	78	68 - 78	77
	EB	Shoulder	65	75	66 - 76	69
	EB	Median	68	77	67 - 77	77
351 (I-75)	WB	Shoulder	65	79	69 - 79	62
	WB	Median	70	84	72 - 82	59
	EB	Shoulder	67	81	70 - 80	57
	EB	Median	77	94	82 - 92	52
9919 (I-95)	NB	Shoulder	63	74	67 - 77	60
	NB	Median	60	79	72 - 82	49
	SB	Shoulder	62	72	64 - 74	63
	SB	Median	64	71	64 - 74	63
9932 Turnpike	NB	Shoulder	64	76	65 - 75	66
	NB	Median	72	81	72 - 82	70
	SB	Shoulder	65	77	68 - 78	60
	SB	Median	73	84	73 - 83	70

Key: EB = eastbound; NB = northbound; SB = southbound; WB = westbound.