Figure 2 - Analysis of Vehicles Traveling at Speeds Below 60 mph | Bureau of Transportation Statistics

Figure 2 - Analysis of Vehicles Traveling at Speeds Below 60 mph

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Six-lane sections

	% with speed below 60 mph		Average speed (mph)
	% Trucks	% Cars	Trucks speed	Cars speed
Shoulder	3.23	2.41	58	58
Middle	0.06	0.10	57	55
Median	0.00	0.00
Shoulder	2.50	8.34	58	58
Middle	0.19	0.16	59	58
Median	0.02	0.02	55	38
Shoulder	3.10	3.74	58	58
Middle	0.12	0.26	58	58
Median	0.17	0.27	59	57

Four-lane sections

	% with speed below 60 mph		Average speed (mph)
	% Trucks	% Cars	Trucks speed	Cars speed
Median	0.18	0.07	46	53
Shoulder	1.63	0.90	56	57
Shoulder	1.70	1.59	57	57
Median	0.09	0.14	49	59
Shoulder	1.31	1.89	57	56
Median	0.08	0.58	56	42
Shoulder	13.49	7.93	56	56
Median	6.84	3.73	54	54
Shoulder	0.96	3.35	52	58
Median	0.06	0.03	38	59

Note: In the median lane on highway 320, no vehicles traveled below 60 mph.