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Publications

User's Guide

Year Title Link
2008 Questionnaire PDF
2001 Entire User's Guide zipped up into one file ZIP (6 MB)
1995 1995 Users Guide PDF
1990 1990 Users Guide PDF (14 MB)
1983 1983 NPTS home page HTML
1977 1977 NPTS home page HTML
1969 1969 NPTS home page HTML

2001 User's Guide by Chapter

Year Title Link
2001 Cover and Table of Contents PDF
Chapter 1 - Introduction PDF
Chapter 2 - Survey Content and Interviews PDF
Chapter 3 - Survey Procedures and Methodology PDF
Chapter 4 - Survey Response Rates PDF
Chapter 5 - Weight Calculations PDF
Chapter 6 - Description of Data Files PDF
Chapter 7 - Using the Data PDF
Appendix A - 2001 NHTS Data Dictionary PDF
Appendix B - 2001 NHTS Codebook PDF
Appendix C - File Contents (SAS) PDF
Appendix D - Derived Variables PDF
Appendix E - Abbreviations, Travel Concepts and Glossary of Terms PDF
Appendix F - Control Totals and Adjustment Factors PDF
Appendix G - Standard Tables and Logic PDF
Appendix H - Defining Non-Response Adjustment Cells PDF
Appendix I - Unweighted Survey Response Rates PDF
Appendix J - Methods to Estimate Annual Miles Driver Per Vehicle PDF
Appendix K - Estimation Methodologies for Fuel Economy and Fuel Cost PDF
Appendix L - Make and Model Codes for the 2001 NHTS Vehicle File PDF
Appendix M- 2001 NHTS Questionnaire PDF
Appendix N - NHTS Field Documents PDF
Appendix O - Comparability With Earlier NPTS Surveys PDF
Appendix P - Data Editing PDF
Appendix Q - Tract and Block Group Variables PDF

Reports

Year Title Link
2001 Summary of Travel Trends PDF (2 )MB
2001 Our Nation's Travel: Current Issues PDF (4 MB)
2001 Transferring 2001 National Household Travel Survey PDF (4 MB)
2001 Highlights of the 2001 National Household Travel Survey HTML
1995 Summary of Travel Trends PDF (1 MB)
1995 1995 NPTS Databook PDF (1 MB)
1990 1990 NPTS Databook PDF (4 MB)

NHTS Briefs (Policy and Issue Briefs)

These briefs are designed to provoke users to use NHTS data creatively, and to start a discussion on travel topics that could be addressed using NHTS.

Please provide your suggestions/comments on these briefs to Heather Contrino, 202-366-5060, or Heather.contrino@dot.gov.

Title Date Link
The ‘Carbon Footprint’ of Daily Travel March, 2009 PDF
Vacation Travel August 2008 PDF
Working At Home—The Quiet Revolution July 2008 PDF
Energy Use and Fuel Efficiency April 2008 PDF
Travel to School: The Distance Factor January 2008 PDF
Congestion: Who is Traveling in the Peak? August 2007 PDF
Congestion: Non-Work Trips in Peak Travel Times April 2007 PDF
The Other Side of Congestion February 2007 PDF
Commuting for Life November 2006 PDF
Travel Characteristics of New Immigrants August 2006 PDF
Rising Fuel Cost—A Big Impact June 2006 PDF
Older Drivers: Safety Implications May 2006 PDF
Is Congestion Slowing Us Down? May 2006 PDF
Long-Distance Travel March 2006 PDF
Mobility and the Melting Pot January 2006 PDF

For Media/Newspaper Enquiries, please contact Doug Hecox, FHWA Public Affairs at Doug.Hecox@dot.gov (Phone: 202-366-2244)

Data Profiles

Title Link
Travel Analysis Framework: Profile of the United States PDF
Travel Analysis Framework: Profile of Minnesota PDF
Travel Analysis Framework: Profile of Texas PDF

Papers

Year Title Link
2001 Public Transit in America: Results from the 2001 National Household Travel Survey PDF
2001 Trends in Walking for Transportation in the United States, 1995 and 2001 2001 Urban-Rural Differences in Mobility and Mode Choice: Evidence From the 2001 NHTS HTML
2001 Socioeconomics of Urban Travel: Evidence from the 2001 NHTS PDF
2001 The Case for Moderate Growth In Vehicle Miles of Travel: A Critical Juncture In U.S. Travel Behavior Trends PDF

Articles

Year Title Link
2001 The Mobility Needs of Older Americans: Implications for Transportation Reauthorization HTML
2001 A presentation to the U.S. Special Committee on Aging using 2001 NHTS data augmented by EIA. The title of the hearing, which took place on 6/15/2005, is "Keeping the Power On: Examining the Impact of Soaring Energy Costs on the Elderly." PDF
2001 The Case For More Moderate Growth in VMT: A Critical Juncture in U.S. Travel Behavior Trends PDF
2001 Why Care About Walking? PPT
1995 Daily Travel by Persons with Low Income PDF
1995 Examining Trip-Chaining Behavior: A Comparison of Travel by Men and Women PDF
1995 Societal Trends: The Aging Baby Boom and Women Increased Independence PDF
1995 Land Use Transportation Interaction: An Examination of the 1995 NPTS Data PDF
1995 Trends in Personal Motor Vehicle Ownership and Use: Evidence from the Nationwide Personal Transportation Survey PDF
1995 Societal Trends: The Aging Baby Boom and Women Increased Independence PDF
1995 Land Use Transportation Interaction: An Examination of the 1995 NPTS Data PDF

Survey Research Issues

Year Title Link
1995 Analysis of Households with Interrupted Telephone Service Using 1995 NPTS PDF
1995 The Effects of Survey Methodology Changes in the NPTS PDF

Presentations

Year Title Link
2001 Presentation: A Walk Through Time - Changes in the American Commute PPT

Conference Proceedings

Year Title Link
2001 Data for Understanding Our Nation's Travel: National Household Travel Survey Conference: November 1/2, 2004 PDF
1995 Personal Travel: The Long and the Short of It: Issues Involved in Analysis Using The NPTS and the ATS PDF

Earlier Publications

Year Title Link
1990 Travel Behavior Issues in the 90's PDF
1990 1990 NPTS: Urban Travel Patterns PDF
1990 1990 NPTS: Demographic Special Reports PDF
1990 1990 NPTS: Travel Mode Special Reports PDF
1990 1990 NPTS: Special Reports on Trip and Vehicle Attributes PDF
1983 Personal Travel in the United States 1983-1984 VOLUME I: Chapters 1-5: Contains Preface, highlights and introduction, data considerations, drivers and vehicles, and vehicle trips and travel PDF
1983 Personal Travel in the United States 1983-1984 VOLUME I: Chapters 6-8: Contains person trips and travel, workers and journey to work information, and vehicle occupancy PDF
1983 Personal Travel in the United States 1983-1984 VOLUME I: Chapters 9-Appendices: Contains travel period trips and travel, use of safety devices, and the appendices PDF
1983 PERSONAL TRAVEL IN THE U.S. 1983-1984 Nationwide Personal Transportation Survey Volume II, Part 1: Contains: Preface Table of Contents Weighting Procedures and Estimates of Variance PDF
1983 PERSONAL TRAVEL IN THE U.S. 1983-1984 Nationwide Personal Transportation Survey Volume II, Part 2: Contains: Detailed Tabulations from the 1983 Nationwide Personal Transportation Survey PDF
1983 PERSONAL TRAVEL IN THE U.S. 1983-1984 Nationwide Personal Transportation Survey Volume II, Part 3: Contains: Detailed Tabulations from the 1983 Nationwide Personal Transportation Survey (Continued) PDF
1977 Characteristics of 1977 Licensed Drivers and Their Travel PDF
1977 Household Vehicle Ownership PDF
1977 Purposes of Vehicle Trips and Travel PDF
1977 Home-to-Work Trips and Travel PDF
1977 Household Vehicle Utilization PDF
1977 Vehicle Occupancy PDF
1977 A Life Cycle of Travel by the American Family PDF
1977 Urban/Rural Split of Travel PDF
1977 Household Travel PDF
1977 Estimates of Variances PDF
1977 Person Trip Characteristics PDF
1969 Automobile Occupancy PDF
1969 Seasonal Variations of Automobile Trips and Travel PDF
1969 Availability of Public Transit and Shopping Characteristics of SMSA Households PDF
1969 Household Travel in the United States PDF
1969 Mode of Transportation and Personal Characteristics of Tripmakers PDF
1969 Annual Miles of Automobile Travel PDF
1969 Transportation Characteristics of School Children PDF
1969 Characteristics of Licensed Drivers PDF
1969 Home-to-work Trips and Travel PDF
1969 Purposes of Automobile Trips and Travel PDF

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This web-based tool was developed by the Center for Transportation Analysis,
Oak Ridge National Laboratory (ORNL) under funding from the Federal Highway Administration