national household travel survey data use: an...
TRANSCRIPT
National Household Travel Survey National Household Travel Survey Data Use: An OverviewData Use: An Overview
NHTS Conference: November 1 –2, 2004
Bureau of Transportation Statistics
US Department of Transportation
Some General QuestionsSome General Questions
• Why Collect NHTS Data?
• How Have the NHTS Data Been Used?Who has used the NHTS data?
What has the NHTS data been used for?
What parts of the NHTS data have been used?
• What Determines the Use of the NHTS Data?
FHWA: Why Collect NHTS Data?FHWA: Why Collect NHTS Data?
• Provide the only authoritative source of information at the national level on the relationships between the characteristics of personal travel and the demographics of the traveler
• Provide planners and decision makers with up-to-date information to assist them with effectively improving the mobility, safety, and security of our Nation’s transportation systems
From: FHWA NHTS Website at Oak Ridge Lab
BTS: Why Collect NHTS Data?BTS: Why Collect NHTS Data?
• Provide data to inform decisions on how to reduce congestions and improve mobility
• Provide data on travel behavior of special needs populations to help inform urban planners and policymakers on how best to serve them
• Contribute to greater understanding of travel patterns that allows communities to plan, invest in, and operate transportation systems
From: BTS NHTS Highlights on NHTS Data CD
Questions About Data UsesQuestions About Data Uses
•Have the NHTS data been used as the two sponsoring agencies envisioned?
•Who used the data?
•What were the data used for?
•What parts of the data were used?
Data Sources for the OverviewData Sources for the Overview
•Oak Ridge Lab Collection of Citations and Uses of NPTS/NHTS Data
•1995 NPTS Newswire and Newspaper Coverage
•1995 ATS Newswire and Newspaper Coverage
•BTS List of Long Distance Data Users
•List of TRB Publications on NPTS/NHTS/ATS
•NHTS Conference Planner: Preliminary Program
•Note: These are definitely not exhaustive lists of all users/uses/citations
Main Categories of UsersMain Categories of Users
Main Categories of Data Users
Governments22%
Universities34%
Interest Groups
17%
Media12%
Consultants15%
Government UsersGovernment Users
Government Users
Federal40%
State24%
MPO's36%
Users by UsesUsers by Uses
Federal State MPO'sUniver-sities
Interest Groups Media
Private Consul-ting Firms
Indivi-dual Consul-tants
Main Categories of Use1 Air Quality Analysis X X X X 62 Children and Older Americans X X 93 Environmental Impact X X X X 64 Energy X 55 Fatality and Injuries X 66 Health X X X X 67 Long Distance Travel X X X X 68 Land Use/Socioeconomics X X 49 Non-Motorized Travel X X X 8
10 New Urbanism X 111 Rural TD Modelling X 112 Race/Demography X X X 513 Safety X X 1014 Transit X X X 815 Travel Behavior Analysis X X X X 716 Urban TD Modelling X X X X 817 Week End Travel X 818 Survey Innovations X X 9
Total 10 6 9 39 19 13 13 4 113
Main Categories of Users
Total
Federal UsersFederal Users
•DOE: To Fill the Gap of Residential Transportation Energy Consumption Survey (RTECS)
•EPA: To Estimate Green House Gas Emissions from Transportation Sector
•CDC: To Convey the Importance of Non-Motorized Transportation for Health and Active Lifestyle
•BEA: To Develop Travel and Tourism Accounts
State and Local UsersState and Local Users
•Louisiana Department of Transportation and Development: Travel Demand Forecasting Model
•Virginia Department of Transportation: Virginia Statewide Multi-Modal Transportation Demand Model Project
•Arkansas Department of Parks and Tourism: Data on visitation to Arkansas for the 2003 Economic Report
•Montana Department of Commerce: Montana Tourism and Recreation Strategic Plan
•City of Tucson Department of Urban Planning and Design: ATS Arizona State Profile
University UsersUniversity Users
•Department of Park, Tourism and Recreation Resources at Michigan State University: state level information to obtain a number of statewide parameters for a Michigan county-level tourism spending model
•College of Business and Economics at West Virginia University: individual household data to test the hypothesis that demand for household leisure travel to South Carolina is the same for senior and non-senior households
•Tourism Economics: individual household data to compare Orlando leisure travelers to travelers to other Florida destinations
Other UsersOther Users
•National Business Travel Association: data on purpose of air trips to estimate fares and taxes paid by business travelers
•The I-95 Corridor Coalition: data on purpose of trips, destination of trips, travel flow, and use of public modes by state for the analysis of passenger travel in the coalition region
•Reconnecting America: to analyze the nation’s intercity travel system
•Northwest Environmental Watch Group: to examine use of air travel by persons living in different states
Special Use: State and Local DataSpecial Use: State and Local Data
•NHTS as a vehicle for collecting state travel data: state and local add-on’s such as Kentucky, MA, TX, Wisconsin, New York, Baltimore MPO
•NHTS as a data source for developing state and local-specific data: results transferred to states and local communities such as Indiana, Louisiana, Missouri
•NHTS as a benchmark for local data collection: estimates from smaller surveys compared to corresponding estimates from NHTS such as 2003 Wichita Area Economic Outlook Team’s Fair Fares Resident Survey
NHTS Data Users and Uses: SummaryNHTS Data Users and Uses: Summary
NHTS/NPTS/ATS
National and Inter-State Data
Intra-State and Local
Data
State Add-on
State Transfer
Local Benchmark
Federal Government Users
State and Local Government Users
MPO and Consultant Users
University and Research Users
Public Interest and Media Users
National Level Decision Making and Data Support
State and Local Level Transportation Planning
Travel Behavior and Other Analyses
Environmental and Other Socio-Economic Issues
What Data Were Used?What Data Were Used?
A quick and rough count based on planned papers and presentations for this conference in the preliminary program indicates that all data items are useful.
9%
10%
10%
16%
12%
16%
10%
17%
Employment/ Income
Age / Gender
Other Household Variables
Trip Purpose
Trip Length
Travel Mode
Travel Time
Vehicle Ow nership,Characteris-tics, and Use
Concluding RemarksConcluding Remarks
•NHTS/NPTS/ATS provide crucial data for the decision making of great public and private concerns
•For travel modeling and many issues related to travel and traveling decisions, NHTS/NPTS/ATS are the only data sources available
•NHTS/NPTS/ATS data have been used by the users for the purposes as envisioned by the sponsoring agencies
•Further insights for improvements can be gained from answers to questions such as: what are the frequently used variables and what determines the use of these data?