Table 5 - Comparison of Before-and-After Speed Data

Thursday, December 1, 2011

Highway	Location, direction, and year	Mean speed (mph)	Standard deviation (mph)	Coefficient of variation (%)	15th percentile speed (mph)
I-75	Between I-10 & CR136, NB, 1996	66	4	6	63
	Site 320, NB, 2002	73	6	8	67
	Between I-10 & CR136, SB, 1996	66	5	8	61
	Site 320, SB, 2002	74	7	9	66
	Between CR234 & SR21, NB, 1996	68	5	7	63
	Site 9904, NB, 2002	71	6	8	64
	Between CR234 & SR21, SB, 1996	67	5	7	63
	Site 9904, SB, 2002	71	6	8	64
I-95	Between CR210 and I-295, NB, 1996	67	4	6	64
	Site 9905, NB, 2002	72	7	10	65
	Midpoint CR210 and I-295, SB, 1996	63	6	10	60
	Site 9905, SB, 2002	72	6	8	65
	Near Flagler CL, NB, 1996	69	4	6	65
	Site 9905, NB, 2002	72	7	10	65
	Near Flagler CL, SB, 1996	64	5	8	63
	Site 9905, SB, 2002	72	6	10	65

Highway	Location, direction, and year	Mean speed (mph)	Standard deviation (mph)	Coefficient of variation (%)	15th percentile speed (mph)
I-75	At mile marker 89, WB, 1996	66	4	6	61
	Site 351,WB, 2002	74	7	9	66
	At mile marker 89, EB, 1996	68	6	9	63
	Site 351, EB, 2002	78	9	11	68
I-10	Overpass E. of SR 85, WB, 1996	67	4	6	64
	Site 9901, WB, 2002	74	6	8	68
	Overpass E. of SR 85, EB, 1996	69	4	6	64
	Site 9901, EB, 2002	74	6	8	68
	C-280 overpass, WB, 1996	68	5	7	65
	Site 9901, WB, 2002	74	6	8	68
	C-280 overpass, EB, 1996	67	4	6	64
	Site 9901, EB, 2002	74	6	8	68
	Between SR257 & US221, WB, 1996	67	5	7	62
	Site 9928, WB, 2002	70	6	9	66
	Between SR257 & US221, EB, 1996	69	5	7	65
	Site 9928, EB, 2002	71	5	7	68
	East end of Aucilla River, WB, 1996	67	5	7	62
	Site 9928, WB, 2002	70	6	8	66
	East end of Aucilla River, EB, 1996	69	4	6	64
	Site 9928, EB, 2002	71	5	7	68

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

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