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

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3.6 Comments on the STAA Double Fleet The 1982 Surface Transportation Assistance Act provided for the use of standard STAA (2-S1-2) tractor +double trailer (twin 28 foot trailers) combinations on the National Network. The take-up of these units has been relatively small. In 1997, they accounted for 4% of the 5-axles or more fleet—a slight increase from 3.4% of the fleet in 1992. California, Oregon and Illinois account for over 80 percent of all of the STAA doubles. This is an area where registration bias must be examined more closely. 3.7 Comments on Tridem Axle Fleet In 1997, the tractor-semitrailers with tridem or more axle semitrailers accounted for 9.6% of the 5-axles or more fleet. They are more common than tractor-double trailer combinations. Every state has them. 22
Table 3.5-1 Truck Fleet (@ 5-axles or more) Number of Vehicles in Each Vehicle Group, by Region 1997 Truck Fleet Regions North North South South Vehicle Group Central East Atlantic Gulf West Total of Total Truck + Trailer @ 5-axle 11,555 5,894 6,693 6,768 26,920 57,830 4.4 Truck + Trailer @ 6-axle + 5,088 2,189 1,386 1,970 6,556 17,189 1.3 3-S2 378,137 92,057 139,700 234,925 145,702 990,521 75.1 Tridem Axle Semitrailer 43,271 14,919 17,396 33,285 17,692 126,563 9.6 4S1/S2 9,538 3,166 5,506 4,604 5,779 28,593 2.2 STAA 17,636 556 2,622 4,274 27,046 52,134 4.0 Doubles @ 6-axle or more 11,515 1,283 3,622 8,804 16,205 41,429 3.1 Triples 394 114 73 2,108 1,796 4,484 0.3 Total 477,134 120,179 176,998 296,737 247,696 1,318,744 100 Note: Excludes pick-ups, mini-vans, utility sports, station wagons, trucks or truck-tractors with 4-tires, and trucks pulling 1-axle trailer or I-axle utility trailer %
Page 1 and 2: Federal Highway Administration Offi
Page 3 and 4: The primary objectives of this repo
Page 5 and 6: # Survey and population estimates a
Page 7 and 8: # Tank truck, liquids or gas # Othe
Page 9 and 10: TABLE ES-1 1992 U.S. COMMERCIAL FRE
Page 11 and 12: Table of Contents 1.0 Introduction
Page 13 and 14: List of Tables Table 2.1-1 The 5 Ma
Page 15 and 16: 1.0 Introduction 1.1 Purpose and Sc
Page 17 and 18: Small Sample Size. In general, read
Page 19 and 20: Table 2.1-1 The 5 Major Vehicle Con
Page 21 and 22: Figure 2.2-1 Vehicle Group Descript
Page 23 and 24: 7) Doubles @ 6 + Axles 8) Triples (
Page 25 and 26: 3.0 Analysis of the Distribution of
Page 27 and 28: Table 3.2-1 1997 Total Truck Fleet
Page 29 and 30: 3.4 Size of the 5-Axles or More Fle
Page 31 and 32: Number of Vehicles 1,400,000 1,300,
Page 33 and 34: Table 3.4-2 1997 Truck Fleet (@ 5-a
Page 35: # California has the largest state
Page 39 and 40: % of Fleet 100 90 80 70 60 50 40 30
Page 41 and 42: # 8 vehicle groups (see Section 2.2
Page 43 and 44: Truck Fleet (5-axles or more) Numbe
Page 45 and 46: Other Grain Bodies Tank Truck, Liqu
Page 47 and 48: Number of Vehicles 1,400,000 1,200,
Page 49 and 50: - household moving and office furni
Page 51 and 52: # For all truck + trailer combinati
Page 53 and 54: 6.0 Analysis of the 5-Axles or More
Page 57 and 58: # For the 3-S2 group, - One-fifth o
Page 61 and 62: 7.0 Analysis of Weights, Dimensions
Page 63 and 64: 7.2 Observations on Specific Truck
Page 65 and 66: # (3 + 2) Basic Enclosed Van [pop =
Page 67 and 68: - Annual VMT—mixed. # (3-S2) Insu
Page 69 and 70: - half (40-60%) operate mostly (80-
Page 71 and 72: # (3-S3) Tank Trucks for Liquids or
Page 73 and 74: Body Type Low Boy Platform Basic Pl
Page 75 and 76: Body Type Low Boy Platform Basic Pl
Page 77 and 78: There has been a substantial increa
Page 79 and 80: 3-S2 Basic Enc. Van 3-S2 Refrigerat
Page 81 and 82: 7.5.2 Changes in Truck Lengths by 1
Page 83 and 84: 3-S2 Basic Enc. Van 3-S2 Refrigerat
Page 85 and 86: 7.5.3 Changes in Truck Weights # ME
Page 87 and 88:
3-S2 Basic Enc. Van 3-S2 Refrigerat
Page 89 and 90:
Table 7.5.3-2 Comparison of Mean "A
Page 91 and 92:
Average Weight (lbs) 80,000 70,000
Page 93 and 94:
Comparison of Mean Maximum Payload
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Comparison of Mean "Average" Payloa
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8.0 Analysis of Vehicle Miles of Tr
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CHANGES BETWEEN 1992 AND 1997 Figur
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Mean VMT 100,000 90,000 80,000 70,0
Page 103 and 104:
3-S2 Basic Enc. Van 3-S2 Refrigerat
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Appendix A Regional Distributions o
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1997 Truck Fleet Traffic Region: No
Page 109 and 110:
1997 Truck Fleet Traffic Region: So
Page 111 and 112:
Appendix B Regional Distributions o
Page 113 and 114:
Not to Scale Truck + Trailer @ 6 or
Page 115 and 116:
Not to Scale $ $ Tridem Axle Tracto
Page 117 and 118:
2-S1-2 STAA Tractor + Double Traile
Page 119 and 120:
Not to Scale $ $ $ $ $ $ Base Scale
Page 121 and 122:
1997 Truck Fleet (@ 5-axles or more
Page 123 and 124:
Page 125 and 126:
Appendix C Detailed Body Type Analy
Page 127 and 128:
Appendix C 1997 Truck Fleet (@ 5-ax
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
Page 135 and 136:
Page 137 and 138:
Page 139 and 140:
Appendix E Weights, Dimensions, and
Page 141 and 142:
VEHICLE TYPE: 3-S2 BODY TYPE: LOW B
Page 143 and 144:
VEHICLE TYPE: 3-S2 BODY TYPE: LIVES
Page 145 and 146:
VEHICLE TYPE: 3-S2 BODY TYPE: INSUL
Page 147 and 148:
VEHICLE TYPE: 3-S2 BODY TYPE: BASIC
Page 149 and 150:
VEHICLE TYPE: 3-S2 BODY TYPE: AUTOM
Page 151 and 152:
VEHICLE TYPE: 3-S2 BODY TYPE: DUMP
Page 153 and 154:
VEHICLE TYPE: 3-S2 BODY TYPE:TANK T
Page 155 and 156:
VEHICLE TYPE: 3+2 BODY TYPE: BASIC
Page 157 and 158:
VEHICLE TYPE: 3+2 BODY TYPE: POLE L
Page 159 and 160:
VEHICLE TYPE: 3+2 BODY TYPE: DUMP T
Page 161 and 162:
VEHICLE TYPE: 3-S3 BODY TYPE: LOW B
Page 163 and 164:
VEHICLE TYPE: 3-S3 BODY TYPE: INSUL
Page 165 and 166:
VEHICLE TYPE: 3-S3 BODY TYPE: POLE
Page 167 and 168:
VEHICLE TYPE: 3-S3 BODY TYPE: DUMP
Page 169 and 170:
VEHICLE TYPE: 2-S1-2 BODY TYPE: BAS
Page 171 and 172:
VEHICLE TYPE: 2-S1-2 BODY TYPE: BAS
Page 173 and 174:
Appendix F Average Payload Weights
Page 175 and 176:
VEHICLE TYPE: 3-S2 AVERAGE PAYLOAD
Page 177 and 178:
VEHICLE TYPE: STAA (2-S1-2) AVERAGE
Page 179 and 180:
VEHICLE TYPE: 3-S2 MAXIMUM PAYLOAD
Page 181 and 182:
VEHICLE TYPE: STAA (2-S1-2) MAXIMUM
Page 183 and 184:
Regional Comparison of Mean Tare (E
Page 185 and 186:
Regional Comparison of Mean Average
Page 187 and 188:
Regional Comparison of Percent of T
Page 189 and 190:
Regional Comparison of Percent of T
Page 191 and 192:
Regional Comparison of the Mean Ann
Page 193 and 194:
Regional Comparison of the Percent
Page 195 and 196:
Appendix H Data Analysis Methodolog
Page 197 and 198:
Configuration AXLRE Code 1997 4-S1
Page 199 and 200:
Vehicle Body Type VIUS Variables of
Page 201 and 202:
Major Body Type Groups and their As
Page 203 and 204:
Since the analysis was focused on t
Page 205 and 206:
Industrial "waste" water Hazardous
Page 207 and 208:
Simple Statistics In this analysis,
Page 209 and 210:
PRNPRO 164-165 WANNMIL 166-178 VG 1
Page 211 and 212:
Proc GLM data=dataset name; Class V
Page 213 and 214:
RUN; H - 19
Page 215 and 216:
U.S. DEPARTMENT OF COMMERCE BUREAU
Page 217 and 218:
ITEM 5 Which best describes this ve
Page 219 and 220:
ITEM 11 What type of cab does this
Page 221 and 222:
ITEM 18 What percent of 1997 mileag
Page 223 and 224:
. ITEM 27 Which of the following be
Page 225:
ITEM 29 a. At any time during 1997
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