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

VEHICLE TYPE: 3-S2
BODY TYPE: LIVESTOCK
POPULATION SIZE: 10,053 SAMPLE SIZE: 261
Empty Weight External Width of Trailer
%
100
80
60
40
20
CUMULATIVE PERCENTAGE CURVE
Sample Size = 233
Pop. n.= 8,964
Pop. Mean = 30.69 kips
Pop. Std. Dev. = 3.98 kips
0
0 20 40 60 80 100 120 140
Weight [kips]
Average Weight Overall Length
%
Maximum Gross Weight Annual VMT 1997
%
Base of Operation Range of Operation
%
100
80
60
40
20
100
CUMULATIVE PERCENTAGE CURVE
0
0 20 40 60 80 100 120 140
80
60
40
20
100
Weight [kips]
Sample Size = 241
Pop. n.= 9,340
Pop. Mean = 74.06 kips
Pop. Std. Dev. = 10.30 kips
CUMULATIVE PERCENTAGE CURVE
0
0 20 40 60 80 100 120 140
80
60
40
20
0
Weight [kips]
CUMULATIVE PERCENTAGE CURVE
Sample Size = 241
Pop. n.= 9,340
Pop. Mean = 79.02 kips
Pop. Std. Dev. = 5.59 kips
0 20 40 60 80 100
% Annual VMT Outside Home Base State
100
%
60
50
40
30 %
20
10
0
%
80
60
40
20
0
100
80
60
40
20
0
100
80
60
%
40
20
0
102 Other
Width Group [inches]
16-19.9
20-27.9
28-35.9
FREQUENCY GRAPH
36-40.9
41-44.9
45-49.9
50-54.9
Length Group [feet]
CUMULATIVE PERCENTAGE CURVE
0 20 40 60 80 100 120 140 160 180 200
VMT in Thousands
FREQUENCY GRAPH
55-59.9
60-64.9
65-69.9
70-74.9
Sample Size = 261
Pop. n.= 10,053
Pop. Mean = 70.04
Pop. Std. Dev. = 46.05
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
1997 FLEET
>=75