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

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Commodities Hauled Each respondent on the survey indicated the percent of their VMT that a particular commodity was hauled or that no commodities were hauled. The sum of the commodities should total to 100%. To evaluate the commodity data, the analysis has to be based on the actual VMT because % of VMT is not a valid unit of measure for analysis (i.e., 1% of VMT is not a common unit because each vehicle has a different annual VMT. For example, one vehicle’s annual VMT may be 100,000 miles which means 1% of their VMT is 1,000 miles, while another vehicle’s annual VMT is 30,000 miles which means 1% of their VMT is 300 miles). Commodity Description No load — vehicle empty Live animals Fresh farm products Processed foods and tobacco products Animal feed Mining products Building materials (gravel, sand, concrete, flat glass, etc.—except cut lumber) Logs and other forest products Lumber and fabricated wood products—except furniture Paper and paper products Chemicals and/or drugs (including fertilizers, pesticides, cosmetics, paints, etc.) Petroleum and petroleum products (including paving and roofing materials) Plastics and/or and rubber products Primary metal products—pipes, ingots, billets, sheets, etc. Fabricated metal products Machinery—electrical or non-electrical and electronic Transportation equipment (including complete vehicles) and parts Furniture (wood and non-wood) and/or hardware—not involved in household moving Glass products Textiles and apparels—fibers, leather goods, carpets, clothing, etc. Miscellaneous products of manufacturing Moving of household and office furniture Craftsman’s equipment - miscellaneous tools and/or parts for specialized use Mixed cargo (including the delivery of small packages) Scrap (not for recycling), garbage, trash, septic tank waste H - 10 Variable 1997 PNOLOD LVANML FARMPD PRFOOD ANFEED MINPRO BLDGMA LOGPRO LUMBER PAPER CHEM PETROL PLASTK PRIMTL FABMTL MACHNE TEQUIP FURN GLASS TEXTIL MSCMFG MOVING TOOLS MXDCAR REFUSE
Industrial "waste" water Hazardous waste (EPA manifest) Hazardous waste (non-EPA manifest) Recyclable products Other Principal Product Hauled H - 11 INDWTR HAZEPA HAXNEPA RECYCLE OTHPROD Since no question on the survey directly asked the respondent what their principal product was that they hauled, the Bureau of the Census derived a truck’s principal product (VIUS variable PRNPRO) from the commodities data. For each surveyed truck, they identified the commodity that was hauled the most in comparison to the other commodities, and then they defined this commodity as the truck’s principal product. When using the principal product variable, there are some issues that one should be aware of. One cannot assume that the identified principal product accounts for a majority (over 50%) of the vehicle’s VMT. If a truck hauls a number of commodities, the principal product identified with it may be hauled for only 30% of the vehicle’s VMT. Another issue has to do with the decision rule that the Bureau decided on to determine the principal product when a tie existed between a number of commodities. For example, if there was a tie between Processed Foods and Mixed Cargo, their rule may state that Processed Foods will be listed as the principal product. Depending on how these ties are decided upon, you can get very different results in your final analyses. For this reason, it is discouraged to use this variable except for possibly a preliminary examination of the commodity data.
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Federal Highway Administration Offi
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The primary objectives of this repo
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# Survey and population estimates a
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# Tank truck, liquids or gas # Othe
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TABLE ES-1 1992 U.S. COMMERCIAL FRE
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Table of Contents 1.0 Introduction
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List of Tables Table 2.1-1 The 5 Ma
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1.0 Introduction 1.1 Purpose and Sc
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Small Sample Size. In general, read
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Table 2.1-1 The 5 Major Vehicle Con
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Figure 2.2-1 Vehicle Group Descript
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7) Doubles @ 6 + Axles 8) Triples (
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3.0 Analysis of the Distribution of
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Table 3.2-1 1997 Total Truck Fleet
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3.4 Size of the 5-Axles or More Fle
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Number of Vehicles 1,400,000 1,300,
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Table 3.4-2 1997 Truck Fleet (@ 5-a
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# California has the largest state
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Table 3.5-1 Truck Fleet (@ 5-axles
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% of Fleet 100 90 80 70 60 50 40 30
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# 8 vehicle groups (see Section 2.2
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Truck Fleet (5-axles or more) Numbe
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Other Grain Bodies Tank Truck, Liqu
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Number of Vehicles 1,400,000 1,200,
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- household moving and office furni
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# For all truck + trailer combinati
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6.0 Analysis of the 5-Axles or More
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# For the 3-S2 group, - One-fifth o
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7.0 Analysis of Weights, Dimensions
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7.2 Observations on Specific Truck
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# (3 + 2) Basic Enclosed Van [pop =
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- Annual VMT—mixed. # (3-S2) Insu
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- half (40-60%) operate mostly (80-
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# (3-S3) Tank Trucks for Liquids or
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Body Type Low Boy Platform Basic Pl
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Body Type Low Boy Platform Basic Pl
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There has been a substantial increa
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3-S2 Basic Enc. Van 3-S2 Refrigerat
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7.5.2 Changes in Truck Lengths by 1
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7.5.3 Changes in Truck Weights # ME
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Table 7.5.3-2 Comparison of Mean "A
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Average Weight (lbs) 80,000 70,000
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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
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Appendix A Regional Distributions o
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1997 Truck Fleet Traffic Region: No
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1997 Truck Fleet Traffic Region: So
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Appendix B Regional Distributions o
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Not to Scale Truck + Trailer @ 6 or
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Not to Scale $ $ Tridem Axle Tracto
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2-S1-2 STAA Tractor + Double Traile
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Not to Scale $ $ $ $ $ $ Base Scale
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1997 Truck Fleet (@ 5-axles or more
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Appendix C Detailed Body Type Analy
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Appendix C 1997 Truck Fleet (@ 5-ax
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Appendix E Weights, Dimensions, and
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VEHICLE TYPE: 3-S2 BODY TYPE: LOW B
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VEHICLE TYPE: 3-S2 BODY TYPE: LIVES
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VEHICLE TYPE: 3-S2 BODY TYPE: INSUL
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VEHICLE TYPE: 3-S2 BODY TYPE: BASIC
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VEHICLE TYPE: 3-S2 BODY TYPE: AUTOM
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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: Since the analysis was focused on t
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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