Journal of Transportation and Statistics  Volume 8 Number 3
Journal of Transportation and Statistics  Volume 8 Number 32005 
NOTE: The views presented in the articles in this journal are those of the authors and not necessarily the views of the Bureau of Transportation Statistics. All material contained in this journal is in the public domain and may be used and reprinted without special permission; citation as to sources is required.
Table of Contents  File Formats  

Entire Report 
PDF (4.20MB) 

Editorial Board 
HTML (2KB) 

Contributors 
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Front Matter 
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Introduction to the Special issue on the 2001 National Household Travel Survey 
HTML (10KB) 

Figure 1  Concerns about the Quality of Transportation Services: 2001 
HTML (1KB) 
Excel (18KB) 
CSV (1KB) 

Figure 2  Percentages of Travelers Indicating a Significant Transportation Problem 
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Excel (16KB) 
CSV (1KB) 

Figure 3  Minutes Spent Driving per Day 
HTML (2KB) 
Excel (14KB) 
CSV (1KB) 

Paper 1  Assessment of 2001 New York State NHTS AddOn Data Using Empirical and Auditable Data Sources by Nathan Erlbaum 
HTML (63KB) 

Table 1  Total Travel by Residents, Business, and Vehicles 
HTML (14KB) 
Excel (22KB) 
CSV (4KB) 

Table 2  Comparison of Survey and MTA Estimates of Transit Trips 
HTML (3KB) 
Excel (14KB) 
CSV (1KB) 

Table 3  Comparison of Survey Estimates for Subway Ridership with Actual System Statistics 
HTML (7KB) 
Excel (16KB) 
CSV (2KB) 

Table 4  Census Estimate of Workers and Worker Imputation 
HTML (9KB) 
Excel (16KB) 
CSV (1KB) 

Table 5  Census and NHTS Estimates of Workers 
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Excel (19KB) 
CSV (2KB) 

Table 6  NHTS Worker Question Categories 
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Excel (19KB) 
CSV (2KB) 

Table 7  Census and "QuestionEquivalent" NHTS Workers 
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Excel (19KB) 
CSV (2KB) 

Table 8  New York State DMVLicensed Drivers vs. NHTS Drivers, by Gender 
HTML (33KB) 
Excel (23KB) 
CSV (5KB) 

Table 9  New York State DMV Registrations vs. Census and NHTS Vehicles Available in Households 
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Excel (19KB) 
CSV (2KB) 

Figure 1  Monthly VehicleMiles of Travel (VMT) Estimate 
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Excel (24KB) 
CSV (2KB) 

Figure 2  Temporal Distribution of Monthly VehicleMiles of Travel (MVMT) 
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Excel (17KB) 
CSV (1KB) 

Figure 3  Average 2001/2002 and 1995/1996 Statewide VehicleMiles of Travel (VMT) Temporal Distribution 
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Excel (17KB) 
CSV (1KB) 

Figure 4  Survey of Statewide VehicleMiles of Travel (VMT) 
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Excel (17KB) 
CSV (1KB) 

Figure 5  Heating Degree Days 
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Excel (14KB) 
CSV (1KB) 

Figure 6  Population Weighted Snowfall Adjusted for Impact on Propensity to Travel 
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Excel (20KB) 
CSV (1KB) 

Figure 7  Understanding Main Mode and Access and Egress Mode Change Relationships with Respect to Access and Egress 15 Coding 
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Paper 2  Bayesian Approaches to Learning from Data: Using NHTS Data for the Analysis of Land Use and Travel Behavior by Marco G. Scuderi and Kelly J. Clifton 
HTML (54KB) 

Table 1  Number of Directed Acyclic Graphs (DAGs) as Function of the Number of Nodes (G) 
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Excel (14KB) 
CSV (1KB) 

Table 2  Variable List 
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Excel (19KB) 
CSV (2KB) 

Table 3  Summary of Model Runs 
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Excel (14KB) 
CSV (1KB) 

Table 4  A Sample Conditional Probability Table (Version 1) 
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Excel (17KB) 
CSV (1KB) 

Table 5  A Sample Conditional Probability Table (Version 2) 
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Excel (17KB) 
CSV (1KB) 

Table 6  A Sample Conditional Probability Table (Version 3) 
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Excel (18KB) 
CSV (1KB) 

Figure 1  Serial Connections (A), Diverging Connections (B), Feedback Loop (Cyclic Graph) 
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Figure 2  Model Runs at the Tract and Zip Code Level 
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Figure 3  Decision Trees and Details of Probabilities of Mode Choice as a Function of Road Density, Income, and Percentage of Commercial Uses 
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Paper 3  A Closer Look at Public Transportation Mode Share Trends by Steven E. Polzin and Xuehao Chu 
HTML (43KB) 

Table 1  Summary of NHTS 2001 Mode Share Adjustments 
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Excel (14KB) 
CSV (1KB) 

Table 2  Comparisons of Various Survey Estimates of Public Transportation Mode Share 
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Excel (16KB) 
CSV (1KB) 

Table 3  Omnibus Household Survey Transit Use Results 
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Excel (14KB) 
CSV (1KB) 

Table 4  Work Travel Usual vs. Actual Mode Choice Percentages 
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Excel (17KB) 
CSV (1KB) 

Figure 1  Transit Ridership Trends 
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Excel (17KB) 
CSV (1KB) 

Figure 2  National VMT Trends 
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Excel (18KB) 
CSV (1KB) 

Figure 3  Rates of Change in Transit Ridership and VehicleMiles of Travel (VMT) 
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Excel (14KB) 
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Figure 4  PersonMiles of Travel (PMT) Trends for Vehicles and Public Transit 
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Excel (14KB) 
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Figure 5  PMTBased Transit Mode Share 
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Excel (16KB) 
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Figure 6  Transit Mode Share Trends—Survey Data 
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Excel (20KB) 
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Paper 4  Built Environment and Nonmotorized Travel: Evidence from Baltimore City Using the NHTS by Felipe Targe and Kelly J. Clifton 
HTML (40KB) 

Table 1  Data Description and Summary Statistics 
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Excel (27KB) 
CSV (6KB) 

Table 2  Estimated Poisson Models for Number of Walking Trips and Estimated Ordinary Least Squares (OLS) Model for Share of Walking Trips 
HTML (48KB) 
Excel (27KB) 
CSV (4KB) 

Table 3  Marginal Effects for Predicted Probabilities of Poisson Model 3 
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Excel (20KB) 
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Figure 1  Surveyed Households in the 2001 NHTS Baltimore AddOn Sample 
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Figure 2  Frequency of Walking Trips on the Reported Day of Travel 
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Figure 3  Predicted Probabilities for Frequency of Walking Trips to Changes in Street Network Connectivity 
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Excel (14KB) 
CSV (1KB) 

Figure 4  Predicted Probabilities for Frequency of Walking Trips to Changes in LandUse Mix Diversity 
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Excel (14KB) 
CSV (1KB) 

Paper 5  Using Bayesian Updating to Enhance 2001 NHTS Kentucky Sample Data for Travel Demand Modelling by Bing Mei, Thomas A. Cooney, Niels R. Bostrom 
HTML (31KB) 

Table 1  Kentucky AddOn Sample Allocation 
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Excel (16KB) 
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Table 2  AllPurpose Average Household PersonTrip Rates 
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Excel (18KB) 
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Table 3  Average Household Person Trip Rates by Purpose (All Area Types) 
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Excel (17KB) 
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Table 4  Average Household Person Trip Rates by Purpose (Urbanized Area) 
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Excel (18KB) 
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Table 5  Average Household Person Trip Rates by Purpose (Urban Cluster) 
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Excel (17KB) 
CSV (1KB) 

Table 6  Average Household Person Trip Rates by Purpose (Rural Area) 
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Excel (18KB) 
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Table 7  Average Trip Lengths by Trip Purpose 
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Excel (17KB) 
CSV (1KB) 

Table 8  AddOn Sample Average Person Trip Rates by Trip Purpose by Area Type 
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Excel (17KB) 
CSV (1KB) 

Table 9  AddOn Sample Average Trip Lengths by Tryp Purpose (in minutes) 
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Excel (17KB) 
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Table 10  Comparison of Updated and Observed Trip Rates for Urban Clusters 
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Excel (18KB) 
CSV (1KB) 

Table 11  Comparison of Updated and Observed Trip Rates for Rural Areas 
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Excel (18KB) 
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Table 12  Comparison of Updated and Observed Average Trip Lengths 
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Excel (18KB) 
CSV (1KB) 

Figure 1  Kentucky AddOn Sample Locations 
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Paper 6  Using National Data to Simulate Metropolitan Area Household Travel Data by Peter R. Stopher, Stephen P. Greaves, and Min Xu 
HTML (40KB) 

Table 1  Categories Used for Selected Trip Purpose Distributions 
HTML (13KB) 
Excel (20KB) 
CSV (2KB) 

Table 2  Categorization Scheme for Travel Mode Simulation (in percent) 
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Excel (18KB) 
CSV (1KB) 

Table 3  O'Fallon and Sullivan's Classification of Tours 
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Excel (17KB) 
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Table 4  Proposed Tour Classification for Simulation 
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Excel (17KB) 
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Table 5  Count of Tours from NHTS by Simplified Types 
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Excel (14KB) 
CSV (1KB) 

Figure 1  Overview of the Approach 
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Figure 2  Distributions for Simulating HomeWork Trips 
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Excel (19KB) 
CSV (1KB) 

Figure 3  Distributions for Simulating Mode of Travel for HomeWork Trips 
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Excel (16KB) 
CSV (1KB) 

Figure 4  Distributions for Simulating Mode Using an Updated Sample of 300 Households (Sydney) 
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Excel (16KB) 
CSV (1KB) 

Paper 7  Travel Surveys: Methodological and TechnologyRelated Considerations by Joy Sharp and Elaine Murakami 
HTML (67KB) 

Table 1  Comparison of Four Designs for Passenger Travel Surveys 
HTML (6KB) 
Excel (22KB) 
CSV (3KB) 

Table 2  Alternative Sample Frame Designs 
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Excel (20KB) 
CSV (2KB) 

Table 3  Description and Comparison of DataCollection Methodologies 
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Excel (17KB) 
CSV (1KB) 

Reviewers for 2005 
HTML (8KB) 

Index to Volume 8 
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Back Cover 
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