Author Detail

Giovanni Circella (gcircella@ucdavis.edu)

Publications (119 records):

Title Year Series

 If Pooling with a Discount were Available for the Last Solo-Ridehailing Trip, How Much Additional Travel Time Would Users Have Accepted and for Which Types of Trips?

2024 Research Report

Change in Work Arrangement During the COVID-19 Pandemic: A Large Shift to Remote and Hybrid Work

2024 Journal Article

Lessons Learned from Abroad: Potential Influence of California High-Speed Rail on Economic Development, Land Use Patterns, and Future Growth of Cities 

2024 Research Report
Disability, Transportation, Activity Performance, and Neighborhood Features in California: Conducting a Focus Group and Designing a Survey 2023 Research Report
Investigating the Temporary and Longer-term Impacts of the COVID-19 Pandemic on Mobility in California 2023 Research Report
Deciphering the Factors Associated With Adoption of Alternative Fuel Vehicles in California: An Investigation of Latent Attitudes, Socio-Demographics, and Neighborhood Effects 2023 Journal Article
Challenges Facing People with Disabilities in Private Vehicular Transportation in the United States of America 2023 Research Report
Challenges Faced by People with Disabilities in Public and Active Transportation Systems in the United States of America 2023 Research Report
Brief: People with Disabilities in California Want Density, Improved Streets and Buses to Help Pedestrians, Bus Riders, and Car Drivers 2023 Brief

Exploring the Potential Role of Bikeshare to Complement Public Transit: The Case of San Francisco Amid the Coronavirus Crisis

2023 Journal Article
Investigating Objective and Subjective Factors Influencing the Adoption, Frequency, and Characteristics of E-scooter Trips 2023 Working Paper
Impacts of Connected and Automated Vehicles on Travel Demand and Emissions in California 2023 Journal Article
Transportation and Neighborhood Priorities of Californians With Disabilities: Focus Group Findings 2023 Journal Article

"How Should I Get a Ride to the Airport?”: Ground Access to Northern California Airports

2023 Conference Paper

What Is the New Normal? An Analysis of Post-COVID-19 Commute and Work Patterns

2023 Research Report

Post-Covid Transportation Scenarios: Evaluating the Impact of Policies

2023 Research Report

Do Shared E-scooters Encourage Transit Use?: Investigating the Factors Affecting the Connection Between E-scooters and Transit Using Trip and Survey Data From 20 U.S. Cities

2023 Conference Paper

Future of Passenger Mobility in the United States: Scenarios for 2030

2023 Conference Paper

Longitudinal Analysis of COVID-19 Impacts on Mobility: An Early Snapshot of the Emerging Changes in Travel Behavior

2022 Journal Article

What Travel Modes Do Shared E-scooters Displace? A Review of Recent Research Findings

2022 Journal Article

Travel Behavior Impacts of Transportation Demand Management Policies: May is Bike Month in Sacramento, California

2022 Research Report
Brief: Future Connected and Automated Vehicle Adoption Will Likely Increase Car Dependence and Reduce Transit Use Without Policy Intervention 2022 Brief
Travel Demand Modeling Methodology Recommendations for the Link21 Program 2022 Research Report
Brief: The Impact of Ridehailing on Other Travel Modes and on Vehicle Dependency 2022 Brief

Changes in Active Travel During the COVID-19 Pandemic

2022 Book Chapter
Adoption of Telecommuting and Changes in Travel Behavior in Southern California During the COVID-19 Pandemic 2022 Book Chapter
Conclusion: Reflections and Lessons from the Pandemic 2022 Book Chapter
Simulating Life with Personally-Owned Autonomous Vehicles through a Naturalistic Experiment with Personal Drivers 2022 Research Report
The Pulse of the Nation on 3 Revolutions: Annual Investigation of Nationwide Mobility Trends 2022 Research Report
Brief: Travel Behavior Trends During the COVID-19 Pandemic 2022 Brief
Chapter 15 - Changes in Activity Organization and Travel Behavior Choices in the United States 2022 Book Chapter
Factors Influencing the Types of Merchandise Purchased Online: Evidence From the 2018 California Survey of Emerging Transportation Trends 2022 Journal Article
Exploring Heterogeneous Structural Relationships Between E-shopping, Local Accessibility, and Car-Based Travel: An Application of Enriched National Household Travel Survey Add-on Data 2022 Journal Article
Ridehailing Use, Travel Pattern and Multimodal Lifestyle: A Latent-Class Cluster Analysis of One-Week Gps-Based Travel Diaries in California 2022 Conference Paper
On the Interaction of Ridehailing Usage Frequency, Vehicle Availability, and Expectations to Change Vehicle Ownership Among Californians: A Latent-Class Trivariate Model 2022 Conference Paper
On the Interaction of Ridehailing Usage Frequency, Vehicle Availability, and Expectations to Change Vehicle Ownership Among Californians: A Latent-Class Trivariate Model 2022 Conference Paper
A Longitudinal Analysis of the Heterogeneous Changes in Travel Behaviors in Response to the COVID-19 Pandemic in the United States 2022 Conference Paper

Investigating the Determinants of Consumer Preferences for Automated Versus Human Drivers in Future Ridehailing Services in California

2022 Conference Paper

Future of Passenger Mobility in the US: Scenarios for 2030

2022 Research Report

Analyzing Changes in Activity Patterns and Impactson Travel Behavior During COVID-19 With a Multiple Discrete-Continuous Extreme Value (MDCEV) Model

2022 Conference Paper

Passenger Mobility in China: Scenarios for 2030

2022 Research Report
Emissions Impact of Connected and Automated Vehicle Deployment in California 2021 Research Report
Brief: Millennial Travelers Are More Multimodal than Older Travelers, but This Trend Might Change as They Age 2021 Brief
Brief: Ridehailing Demand Is Resilient Among Low-Income Travelers During the COVID-19 Pandemic 2021 Brief
Brief: Telecommuting Rates During the Pandemic Differ by Job Type, Income, and Gender 2021 Brief
2020 Report on the Transportation Economic Development Program 2021 Journal Article
A Deeper Investigation Into the Effect of the Built Environment on the Use of Ridehailing for Non-work Travel 2021 Journal Article
Analysis of the Georgia Add-On to The 2016–2017 National Household Travel Survey 2021 Journal Article
Do Millennials Value Travel Time Differently Because of Productive Multitasking? A Revealed-Preference Study of Northern California Commuters 2021 Journal Article
Exploring the Factors that Affect the Frequency of Use of Ridehailing and the Adoption of Shared Ridehailing in California 2021 Journal Article
Impacts of COVID-19 on the Transport Sector, Policy Recommendations, and Future Research: A Report on the United States 2021 Journal Article
Brief: Real-World Simulations of Life with an Autonomous Vehicle Suggest Increased Mobility and Vehicle Travel 2021 Brief
The Role of Attitudes in Perceptions of Bicycle Facilities: A Latent-Class Regression Approach 2021 Journal Article
Panel Study of Emerging Transportation Technologies and Trends in California: Phase 2 Findings 2021 Research Report
Glimpse of the Future: Simulating Life with Personally Owned Autonomous Vehicles and Their Implications on Travel Behaviors 2021 Journal Article

Equitable Distribution of Bikeshare Stations: An Optimization Approach

2021 Journal Article

Assessing the Role of Shared Mobility Services in Reducing Travel-Related Greenhouse Gases (GHGs) Emissions: Focusing On America’s Young Adults

2021 Journal Article

The Compact City Scenario – Electrified

2021 Research Report
Exploring the Role of Attitude in the Acceptance of Self-driving Shuttles 2020 Research Report
Brief: Experiencing Pilot Demonstrations Helps Individual Acceptance of Self-Driving Shuttles 2020 Brief
Will Autonomous Vehicles Change Residential Location and Vehicle Ownership? Glimpses from Georgia 2020 Journal Article
What Drives the Gap? Applying the Blinder–Oaxaca Decomposition Method to Examine Generational Diferences in Transportation-Related Attitudes 2020 Journal Article
Bicyclist Facility Preferences and Effects on Increasing Bicycle Trips 2020 Journal Article
What Drives The Gap? Applying The Blinder–Oaxaca Decomposition Method To Examine Generational Differences In Transportation-Related Attitudes 2020 Journal Article
How, and for Whom, Will Activity Patterns Be Modified by Self-Driving Cars? Expectations From the State of Georgia 2020 Journal Article
Information and Communication Technologies (ICT), Activity Decisions, and Travel Choices: 20 years into the Second Millennium and where do we go next?  2020 Journal Article
What Drives the Use of Ridehailing in California? Ordered Probit Models of the Usage Frequency of Uber and Lyft 2019 Journal Article
Exploring the Relationships among Travel Multimodality, Driving Behavior, Use of Ridehailing and Energy Consumption 2019 Research Report
Panel Study of Emerging Transportation Technologies and Trends in California: Phase 2 Data Collection 2019 Research Report
Exploring the Relationships between the Use of Uber and Lyft and Other Components of Travel Behavior in California 2019 Journal Article
Heterogeneous Residential Preferences among Millennials and Members of Generation X in California: a Latent-Class Approach 2019 Journal Article

User Preferences for Bicycle Infrastructure in Communities with Emerging Cycling Cultures

2019 Journal Article
Who Doesn’t Mind Waiting? Examining the Relationships Between Waiting Attitudes and Person- And Travel-Related Attributes 2019 Journal Article

Chapter Five - ICT, Millennials' Lifestyles and Travel Choices

2019 Book Chapter
Advancing the Science of Travel Demand Forecasting 2019 Research Report

BeltLine Bicyclist Facility Preferences and Effects on Increasing Trips

2019 Research Report
NCST Research Report: The Adoption of Shared Mobility in California and Its Relationship with Other Components of Travel Behavior 2018 Research Report
Exploring the Latent Constructs Behind the Use of Ridehailing in California 2018 Journal Article
What Influences Travelers to Use Uber? Exploring the Factors Affecting the Adoption of On-Demand Ride Services in California 2018 Journal Article
Chapter Five - Transport Policy in the Era of Ridehailing and Other Disruptive Transportation Technologies 2018 Journal Article
Adoption of Uber and Lyft, Factors Limiting and/or Encouraging Their Use and Impacts on Other Travel Modes among Millennials and Gen Xers in California 2018 Journal Article
Exploring the Self-Reported Long-Distance Travel Frequency of Millennials and Generation X in California 2018 Research Report
Projecting Travelers into a World of Self-Driving Vehicles: Estimating Travel Behavior Implications via a Naturalistic Experiment 2018 Journal Article
Understanding the Mobility Patterns of Millennials and Older Adults in Bogotá, Colombia 2018 Journal Article
NCST Research Report: What Affects Millennials' Mobility? PART II: The Impact of Residential Location, Individual Preferences and Lifestyle on Young Adults' Travel Behavior in California 2017 Research Report
Keeping Vehicle Use and Greenhouse Gas Emissions in Check in a Driverless Vehicle World 2017 Research Report
Californian Millennials Drive Smaller Cars: Estimating Vehicle Type Choice of Millennials 2017 Research Report
ICT-Dependent Life and Its Impacts on Mobility 2017 Journal Article
The Multimodal Behavior of Millennials: Exploring Differences in Travel Choices between Young Adults and Gen Xers in California 2017 Research Report
What Drives Millennials: A Comparison of Vehicle Miles Traveled Between Millennials and Generation X in California 2017 Research Report
Do Multitasking Millennials Value Travel Time Differently? A Revealed Preference Study of Northern California Commuters 2017 Research Report
The Adoption of Ridehailing and Its Impacts on Travel Demand  2017 Journal Article
Modeling Household Vehicle and Transportation  Choice and Usage Part A: Factors Related to Voluntary Choice of Low Vehicle Ownership and Usage 2017 Research Report
NCST Research Report: What Affects Millennials’ Mobility? Part I: Investigating the Environmental Concerns, Lifestyles, Mobility-Related Attitudes and Adoption of Technology of Young Adults in California 2016 Research Report
NCST White Paper: What Affects U.S. Passenger Travel? Current Trends and Future Perspectives 2016 Research Report
Is There Anything Exceptional about ICT Use While Travelling? A Time Allocation Framework for and Empirical Insights into Multitasking Patterns and Well-Being Implications from the Canadian General Social Survey 2016 Research Report
Lifestyles, Residential Location, Adoption of Emerging Technologies of Social Networks, Car Ownership and Mobility Choices of Millenials 2015 Presentation Series
Generation Y: Lifestyles and Mobility Choices of Millennials in California, and the Motivations behind Them 2015 Presentation Series
Residential Location, Lifestyles and Mobility Choices of Millennials in California, and the Motivations behind Them 2015 Presentation Series

Travel-Based Multitasking: Modeling the Propensity to Conduct Activities While Commuting

2015 Research Report
How Do Activities Conducted While Commuting Influence Mode Choice? Testing Public Transportation Advantage and Autonomous Vehicle Scenarios 2015 Research Report
Does Travel-Based Multitasking Influence Commute Mode Choice? An Investigation of Northern California Commuters 2015 Research Report
Modeling the Adoption of Full-day, Part-day and Overtime Telecommuting: An Investigation of Northern California Workers Using Non-Mean-Centered Factor Scores to Segment on Built Environment Attitudes 2015 Research Report
Impact of Proposed Land Use and Transportation Investments on Future Travel Patterns in California 2014 Journal Article
The Estimation of Changes in Rail Ridership Through an Onboard Survey: Did Free Wi-Fi Make a Difference to Amtrak’s Capitol Corridor Service? 2014 Journal Article
Enabling Future Sustainability Transitions: An Urban Metabolism Approach to Los Angeles 2014 Journal Article
Simplified Model of Local Transit Services 2014 Journal Article
Evaluation of Synergies from Transportation Policy Packages Using a Social Welfare Maximization Approach: a Case Study for Madrid, Spain 2014 Journal Article
California Beyond SB 375: Evaluating the Impact of Proposed Land Use and Transportation Plans on Future Travel Patterns and Interregional Travel Behavior 2014 Research Report
Brief: Impacts of Network Connectivity on Passenger Vehicle Use and Greenhouse Gas Emissions 2014 Brief
Did Free Wi-Fi Make a Difference to Amtrak’s Capitol Corridor Service? An Evaluation of the Impact on Riders and Ridership 2013 Research Report
Updating the PECAS Modeling Framework to Include Energy Use Data for Buildings 2013 Research Report
Synergistic Effects of Transit, Land Use, and Vehicle Pricing Policies on Vehicle Travel and Greenhouse Gas Emissions 2013 Research Report
Commuter Impacts and Behavior Changes during a Temporary Freeway Closure: The 'Fix I-5' Project in Sacramento, California 2012 Journal Article
A Conceptual Typology of Multitasking Behavior and Polychronicity Preferences 2012 Research Report
A Conceptual Typology of Multitasking Behavior and Polychronicity Preferences 2012 Journal Article
Los Angeles County Building Energy Use and GHG Baseline Assessment 2012 Research Report
The Interaction between Land Use and Transport Planning: A Methodological Issue 2012 Journal Article
Envisioning Parking Strategies for the Post-Automobile City 2010 Journal Article