Analysis of the Vehicle Inventory and Use Survey for Trucks ... - About

VEHICLE TYPE: 3-S2
BODY TYPE: INSULATED REFRIGERATED
POPULATION SIZE: 124,948 SAMPLE SIZE: 2,355
Empty Weight External Width of Trailer
%
100
80
60
40
20
CUMULATIVE PERCENTAGE CURVE
Sample Size = 1848
Pop. n.= 101,053
Pop. Mean = 33.48 kips
Pop. Std. Dev. = 2.96 kips
0
0 20 40 60 80 100 120 140
Weight [kips]
Average Weight Overall Legth
%
100
80
60
40
20
0
CUMULATIVE PERCENTAGE CURVE
0 20 40 60 80 100 120 140
Weight [kips]
Weight less than or equal to value shown
Maximum Gross Weight Annual VMT 1997
%
100
80
60
40
20
0
Sample Size = 2,268
Pop. n.= 119,434
Pop. Mean = 72.02 kips
Pop. Std. Dev. = 10.98 kips
CUMULATIVE PERCENTAGE CURVE
0 20 40 60 80 100 120 140
Weight [kips]
Weight less than or equal to value shown
Base of Operation Range of Operation
%
100
80
60
40
20
0
Sample Size = 2,286
Pop. n.= 119,434
Pop. Mean = 78.90 kips
Pop. Std. Dev. = 5.22 kips
CUMULATIVE PERCENTAGE CURVE
0 20 40 60 80 100
% Annual VMT Outside Home Base State
100
%
60
50
40
20
10
80
60
40
20
% 30
0
%
0
102 Other
16-19.9
20-27.9
28-35.9
Width Group [inches]
FREQUENCY GRAPH
36-40.9
41-44.9
45-49.9
50-54.9
Length Group [feet]
CUMULATIVE PERCENTAGE CURVE
40
Sample Size = 2,355
Pop. n.= 124,948
20
0
Pop. Mean = 99.40
Pop. Std. Dev. = 48.34
0 20 40 60 80 100 120 140 160 180 200
VMT in Thousands
VMT less than or equal to value shown
%
100
80
60
40
20
0
55-59.9
FREQUENCY GRAPH
1. Off Road
2. < 50 mi.
3. 50 - 100 mi.
4. 101 - 200 mi.
5. 201 - 500 mi.
6. > 500 mi.
1 2 3 4 5 6
Range of Operation from Home Base
60-64.9
65-69.9
70-74.9
>=75
1997 FLEET