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Theory of Travel Decision-Making

My Master's thesis defense presentation, "A Theory of Travel Decision-Making: Applications for Modeling Active Travel". Presented 04 October 2013 at Portland State University, Portland, Oregon, USA. Advisor: Dr. Kelly Clifton.
by

Patrick Singleton

on 4 October 2013

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Transcript of Theory of Travel Decision-Making

poorly represented.
somewhat represented,
well represented,
Legend:
A Theory of
Applications for Modeling
Travel Decision-Making:
Active Travel
"Theory provides the basis for conceptual models, consisting of the behavior of interest and the factors that explain that behavior, the ways in which these variables are defined, and the assumed relationships between them, that researchers use as an essential guide to their efforts." (Susan Handy, 2005)
modeling
applications?
modeling
applications!
bicycling
walking
active travel modes
Travel Behavior
THEORY
Travel Demand
MODELING

ACTIVE Travel
Decision Rule
Decision
Contexts &
Outcomes
Demographics
Socioeconomics
Life stage
Habit
Exploration
Hierarchy of Travel Needs
Perception Filter
Activity
Travel Decision-Making Process
Safety & Security
Accessibility
Feasibility
norms, values, beliefs,
attitudes, preferences
Satisfaction
By aspects
Utility max.
Habit
etc...
Frequency
Destination
Mode
Time of day
Route
etc...
(by multiple
dimensions)
demand, motivation, need, desire to travel
mediation
inertia
feedback
new information
individual
environmental factors
tools are
insensitive to
differing influences
on active modes
modeling tools
inadequately
represent walking
and bicycling
lack a strong
theoretical derivation
no unifying
comprehensive
theory of
travel behavior
being asked to
evaluate a wider
range of policies
and interventions
don't reflect a
decision-making process
explain complex
relationships among factors; guide future
empirical studies
many fields
canons
economics
geography
psychology
engineering
planning
need better
conceptual models
guiding active
travel behavior
research
skating
Acknowledgments
moderation
Patrick A. Singleton
patrick.singleton@pdx.edu
Master's Thesis Defense

A Theory of
Travel Decision-Making:
Applications for Modeling
Active Travel

Patrick A. Singleton
Portland State University
04 October 2013

A Theory of
Travel Decision-Making:
Applications for Modeling
Active Travel

individual mobility; awareness and availability
activity and travel schedules; household interactions
home, job, and school locations;
proximity and diversity of destinations;
connectivity and barriers; path characteristics
safety from traffic;
security from crime
time; money;
physical/mental effort; convenience; reliability
comfort;
exercise;
enjoyment
(theory)
Contributions
Cost
Pleasure
State of the Theory
Travel Forecasting and
Demand Modeling
Travel Behavior
Research
Data and
Analysis Methods
Activity
Feasibility
Accessibility
Safety/Security
Cost
Pleasure
Socio./Demo.
Perception Filter
Decision Rule
Contexts
Feedback
Hierarchy of Travel Needs
Activity
Feasibility
Accessibility
Safety/Security
Cost
Pleasure
Socio./Demo.
Perception Filter
Decision Rule
Contexts
Feedback
Activity
Feasibility
Accessibility
Safety/Security
Cost
Pleasure
Socio./Demo.
Perception Filter
Decision Rule
Contexts
Feedback
Hierarchy of Travel Needs
Hierarchy of Travel Needs
Trip
Activity
Model type:
Thank you!
"All truly great thoughts are conceived by walking."
(attributed to Friedrich Nietzsche)
Conclusions
Travel
Behavior
THEORY
Travel
Demand
MODELING
ACTIVE
Travel
Modes
Contributions
Limitations
Future work
hypotheses
require more
empirical support
"What lies ahead for disaggregate behavioral travel demand analysis?
Between the extreme arguments that psychological elements are...essential to understanding choice behavior and...impossible to incorporate into transportation planning models,
(Daniel McFadden, 2001)
where does the future lie?"
no dynamic
with longer-
term decisions
refinements
to working
of hierarchy
http://prezi.com/6q064ojmy8lv/
Bob Schneider
Liming Wang
Chris Monsere
Kelly Clifton
Full transcript