TRANSPORTATION ENERGY DATA BOOK: EDITION 22 - Center for ...

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11–6 1995 Nationwide Personal Transportation Survey The 1995 Nationwide Personal Travel Survey (NPTS) is a national survey designed to collect data on the nature and characteristics of personal travel. The definition of a trip in the NPTS is “any one-way travel from one address to another by private motor vehicle, public transportation, bicycle, or walking.” Excluded from the survey are jogging and walking for exercise, as is all bicycling and walking for individuals under 5 years of age. The survey collects detailed data on household trips, their purposes and the transportation modes used. The NPTS is sponsored by several agencies of the U.S. Department of Transportation and is conducted approximately every seven years. Since each of the surveys differ somewhat in terminology, survey procedure, and target population, one should be cautious when comparing statistics from one survey to the next. Improved methodologies used in the collection of the trip information in the 1995 NPTS make it impossible to compare these data with past NPTS survey data. Thus, the 1990 NPTS trip data have been adjusted to make it comparable with the latest survey. Both the original 1990 data and the adjusted 1990 data are shown in tables comparing trip information. The 1995 trip data should only be compared to the adjusted 1990 trip data, and the original trip 1990 data should be compared with previous surveys. Additional analyses can be done on the 1995 NPTS data through the Internet site: www-cta.ornl.gov/npts. Table 11.5 Demographic Statistics 1969, 1977, 1983, 1990, and 1995 NPTS 1969 1977 1983 1990 1995 Percent change 1969–95 Persons per household 3.16 2.83 2.69 2.56 2.63 -17% Vehicles per household 1.16 1.59 1.68 1.77 1.78 53% Workers per household 1.21 1.23 1.21 1.27 1.33 10% Vehicles per worker 0.96 1.29 1.39 1.40 1.34 40% Average vehicle trip length (miles) 8.89 8.34 7.90 8.98 9.06 2% Source: U.S. Department of Transportation, Federal Highway Administration, 1990 Nationwide Personal Transportation Survey: Summary of Travel Trends, FHWA-PL-92-027, Washington, DC, March 1992, Table 2. Data for 1995 were generated from the Internet site www-cta.ornl.gov/npts. (Additional resources: www.fhwa.dot.gov) Note: Average vehicle trip length for 1990 and 1995 is calculated using only those records with trip mileage information present. The 1969 survey does not include pickups and other light trucks as household vehicles. TRANSPORTATION ENERGY DATA BOOK: EDITION 22—2002
The 1995 NPTS data should be compared only to the 1990 adjusted data due to survey methodology improvements in collecting trip information. The original 1990 data are comparable to all previous surveys; however, comparisons should always be made with caution because of differing survey methodologies. Table 11.6 Average Annual Vehicle-Miles, Vehicle Trips and Trip Length per Household 1969, 1977, 1983, 1990, and 1995 NPTS Journey-to-worka All trips Average annual vehicle-miles per household 1969 4,183 12,423 1977 3,815 12,036 1983 3,538 11,739 1990 original 4,853 15,100 1990 adjusted 4,853 18,161 1995 6,492 20,895 Average annual vehicle trips per household 1969 445 1,396 1977 423 1,442 1983 414 1,486 1990 original 448 1,702 1990 adjusted 448 2,077 1995 553 Average vehicle trip length (miles) 2,321 1969 9.4 8.9 1977 9.0 8.4 1983 8.5 7.9 1990 original 11.0 9.0 1990 adjusted 11.0 8.9 1995 11.8 9.1 Source: U.S. Department of Transportation, Federal Highway Administration, 1990 Nationwide Personal Transportation Survey: Summary of Travel Trends, FHWA-PL-92-027, Washington, DC, March 1992, Table 7. Data for 1995 were generated from the Internet site wwwcta.ornl.gov/npts. 1990 adjusted data - Oak Ridge National Laboratory, Oak Ridge, TN, August 1998. (Additional resources: www.fhwa.dot.gov, www-cta.ornl.gov/npts) aIt is believed that the methodology changes in the 1995 NPTS did not affect journey-to-work trips; therefore, no adjustment is necessary. TRANSPORTATION ENERGY DATA BOOK: EDITION 22—2002 11–7
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Center for Transportation Analysis
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Users of the Transportation Energy
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vi TABLE OF CONTENTS (Continued) Ta
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viii TABLE OF CONTENTS (Continued)
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x TABLE OF CONTENTS (Continued) CHA
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xii TABLE OF CONTENTS (Continued) T
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xiv TABLE OF CONTENTS (Continued) T
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xvi TRANSPORTATION ENERGY DATA BOOK
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xviii TRANSPORTATION ENERGY DATA BO
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xx TRANSPORTATION ENERGY DATA BOOK:
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xxii TRANSPORTATION ENERGY DATA BOO
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1-2 Although the world has consumed
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1-4 This table shows petroleum prod
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1-6 Figure 1.2. World Oil Reserves,
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1-8 This chart shows the volatility
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1-10 a First two quarters of 2001.
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1-12 Other parts of the world refin
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1-14 When crude oil and other hydro
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1-16 The U.S. share of the world’
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1-18 Transportation accounts for mo
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Source Chapter 2 Energy Summary Sta
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The Energy Information Administrati
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Oxygenates are blended with gasolin
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The 1999 data have been revised to
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About 22% of transportation energy
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The Federal Highway Administration
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Nearly all of the fuel ethanol used
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Great care should be taken when com
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Figure 2.3. Energy Intensities for
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Great care should be taken when com
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Chapter 3 Greenhouse Gas Emissions
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Global Warming Potentials (GWP) wer
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Gases which contain carbon can be m
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The Greenhouse Gases, Regulated Emi
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GV: FRFG (btu/mile or grams/mile) T
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Source Chapter 4 Criteria Air Pollu
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The transportation sector accounted
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Historically, the transportation se
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Acronyms and Terms Used on Table 4.
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Table 4. 13 (Continued) Fuel-Cycle
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Table 4.14 Tier 2 Emission Standard
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TRANSPORTATION ENERGY DATA BOOK: ED
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Table 4.18 Federal Exhaust Emission
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California's Low-Emission Vehicle r
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5-6 Though the cost of crude oil ce
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5-8 The fuel prices shown here are
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5-10 Table 5.7 State Taxes on Motor
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5-12 As of January 2001, only five
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5-14 In current dollars, import car
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5-18 In 1999 there were 7.7 employe
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5-20 Eleven percent of employed civ
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6-4 VEHICLES IN USE Both the Federa
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6-6 The line on this graph shows th
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6-8 The trend of using two-axle, fo
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6-12 The average age of trucks (cla
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7-2 The Federal Highway Administrat
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7-4 Because data on Class 2b trucks
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7-6 In 2000, light trucks, which in
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7-8 Light truck sales have more tha
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7-10 This graph shows the emergence
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7-12 Table 7.11 Sales-Weighted Engi
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7-14 The sales-weighted interior sp
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7-16 The average auto lost over 300
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7-18 The number of conventional ref
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7-20 The Corporate Average Fuel Eco
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7-22 Consumers must pay the Gas Guz
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Page 164 and 165: 7-26 The two earlier studies by the
Page 166 and 167: 7-28 Of the tested vehicles, the 19
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Page 170 and 171: 7-32 Researchers at Argonne Nationa
Page 172 and 173: 7-34 Total traffic fatalities were
Page 174 and 175: 7-36 In 2000, nearly 38% of all pas
Page 176 and 177: Source Chapter 8 Heavy Vehicles and
Page 178 and 179: Combination trucks include all truc
Page 180 and 181: Vehicle Inventory and Use Survey Th
Page 182 and 183: As expected, most light trucks trav
Page 184 and 185: In 1997 nearly 60% of all truck fle
Page 186 and 187: Commodity Flow Survey The Commodity
Page 188 and 189: Industries covered by the 1997 Comm
Page 190 and 191: There are currently not many source
Page 192 and 193: 9-2 Alternative Fuels The U.S. Depa
Page 194 and 195: 9-4 Nearly 90% of private alternati
Page 196 and 197: 9-6 This list includes public and p
Page 198 and 199: 9-8 The Honda Insight, Civic Hybrid
Page 200 and 201: 10-2 Significant changes have been
Page 202 and 203: 10-4 The average length of service
Page 204 and 205: 10-6 Table 10.5 Federal Government
Page 206 and 207: 10-8 The Energy Policy Act of 1992
Page 208 and 209: 11-2 Vehicle-miles are growing at a
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Page 216 and 217: 11-10 Vans and sport utility vehicl
Page 218 and 219: 11-12 Less than 27% of all househol
Page 220 and 221: 11-14 Historically, the data from t
Page 222 and 223: 11-16 According to the U.S. Census
Page 224 and 225: 11-18 Sales of bicycles with wheel
Page 226 and 227: 11-20 1995 American Travel Survey T
Page 228 and 229: 11-22 Those with a household income
Page 232 and 233: 12-4 In the early seventies, domest
Page 236 and 237: 12-8 The Interstate Commerce Commis
Page 238 and 239: 12-10 The “other” category, whi
Page 240 and 241: 12-12 The National Railroad Passeng
Page 242 and 243: 12-14 This table on transit rail op
Page 244 and 245: A-2 List of Abbreviations Used in A
Page 246 and 247: A-4 Motorcycles Buses DOT, FHWA, Hi
Page 248 and 249: A-6 Trucks Light Trucks: DOT, FHWA,
Page 250 and 251: A-8 Off-highway energy use Diesel:
Page 252 and 253: A-10 Domestic and International Air
Page 254 and 255: A-12 Recreational Boating: Fuel use
Page 256 and 257: A-14 Year Natural gas (million cubi
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Page 260 and 261: A-18 Calculation of Million Barrels
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A-20 Motorcycles Number of vehicles
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A-22 Transit Number of vehicles, ve
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A-24 Light trucks Btu per vehicle-m
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A-26 Truck Freight Movement and Ene
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A-28 Automobiles Highway Vehicle St
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A-30 Then, the number of trucks in
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A-32 Sales - Domestic and import to
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A-34 Light Fleet Vehicle Travel Aut
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APPENDIX B CONVERSIONS A Note About
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Table B.2 Fuel Equivalents 1 millio
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Table B.5 Distance and Velocity Con
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FROM Horsepower Kilowatts Table B.8
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Table B.10 Fuel Efficiency Conversi
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Table B.12 Metric Units and Abbrevi
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APPENDIX C CENSUS DIVISIONS AND REG
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GLOSSARY Acceleration power - Measu
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Bunkering fuels - Fuels stored in s
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Crude oil imports - The volume of c
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volume. There are other fuels that
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Kerosene - A petroleum distillate i
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Natural gas, wet: The volume of nat
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of petroleum products, and the prim
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Sales period - October 1 of the pre
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Vehicle Inventory and Use Survey -
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I-2 Acquisitions Federal Fleet Vehi
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I-4 Average Annual Expenditures of
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I-6 Certificated Summary Statistics
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I-8 Consumption (continued) U.S. Ca
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I-10 Distance Long-Distance Trips b
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I-12 Emissions World Carbon Emissio
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I-14 Exhaust (continued) Federal Ex
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I-16 Fuel-Cycle Energy and Greenhou
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I-18 Tax Receipts from the Sale of
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I-20 Tonnage Statistics for Domesti
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I-22 Vehicle-Miles by Trip Purpose,
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I-24 Occupant Fatalities by Vehicle
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I-26 PM PMT Policy United States Pe
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I-28 Summary Statistics for Commute
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I-30 versus Sales-Weighted Fuel Eco
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I-32 Federal Exhaust Emission Certi
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I-34 Surveys Growth of Freight in t
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I-36 Trips Truck Household 1969, 19
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I-38 Vehicle-Miles by Trip Purpose,
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I-40 Weighted Sales-Weighted Engine
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