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

VEHICLE TYPE: 3-S2
BODY TYPE: TANK TRUCKS FOR LIQUIDS OR GASES
POPULATION SIZE: 20,190 SAMPLE SIZE: 1,341
Empty Weight External Width of Trailer
%
100
80
60
40
20
CUMULATIVE PERCENTAGE CURVE
Sample Size = 1,107
Pop. n.= 57,355
Pop. Mean = 29.90 kips
Pop. Std. Dev. = 4.07 kips
0
0 20 40 60 80 100 120 140
Weight [kips]
Average Weight Overall Length
%
100
80
60
40
20
CUMULATIVE PERCENTAGE CURVE
0
0 20 40 60 80 100 120 140
Weight [kips]
Sample Size = 1,261
Pop. n.= 65,618
Pop. Mean = 75.60 kips
Pop. Std. Dev. = 9.62 kips
Maximum Gross Weight Annual VMT 1997
%
100
80
60
40
20
0
CUMULATIVE PERCENTAGE CURVE
0 20 40 60 80 100 120 140
Weight [kips]
Sample Size = 1,262
Pop. n.= 65,708
Pop. Mean = 79.26 kips
Pop. Std. Dev. = 6.76 kips
Base of Operation Range of Operation
%
100
80
60
40
20
0
CUMULATIVE PERCENTAGE CURVE
0 20 40 60 80 100
% Annual VMT Outside Home Base State
%
100
%
80
60
40
20
60
50
40
20
10
0
0
% 30
100
80
60
40
20
100
80
60
%
40
20
0
102 Other
Width Group [inches]
FREQUENCY GRAPH
36-40.9
41-44.9
CUMULATIVE PERCENTAGE CURVE
0
0 20 40 60 80 100 120 140 160 180 200
45-49.9
VMT in Thousands
FREQUENCY GRAPH
Sample Size = 1,341
Pop. n.= 20,190
Pop. Mean = 70.29
Pop. Std. Dev. = 37.91
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
50-54.9
Length Group [feet]
55-59.9
60-64.9
65-69.9
70-74.9
>=75
1997 FLEET