Presentations

2024

Singleton, P. A., †Subedi, A., †Vahedi Saheli, M., †Gaither, A., & Mekker, M. (2024 July). Examining the interplay of pedestrian and driver behaviors in evaluating traffic conflict severity for right turns. Presented at the 17th International Conference on Travel Behaviour Research, Vienna, Austria.

*†Rafe, A., & Singleton, P. A. (2024 June). Exploring the determinants of crash severity using an AutoML approach. Presented at the American Society of Civil Engineering’s International Conference on Transportation and Development, Atlanta, GA.

*†Soltani Mandolakani, F., †Vahedi Saheli, M., & Singleton, P. A. (2024 June). Exploring the impacts of air quality on travel behavior and activity participation in northern Utah. Presented at the American Society of Civil Engineering’s International Conference on Transportation and Development, Atlanta, GA.

*†Vahedi Saheli, M., Singleton, P. A., & Graul, A. (2024 June). Exploring the self-reported importance of various factors on travel mode choices. Presented at the American Society of Civil Engineering’s International Conference on Transportation and Development, Atlanta, GA.

*†Subedi, A., Singleton, P. A., †Gaither, A., & Mekker, M. (2024 June). Pedestrian conflicts with right turning vehicles in Utah: A proactive safety analysis. Presented at the American Society of Civil Engineering’s International Conference on Transportation and Development, Atlanta, GA.

*†Rafe, A., & Singleton, P. A. (2024 June). Platform for visualizing pedestrian data from traffic signals. Presented at the National Travel Monitoring Exposition and Conference, Boise, ID. 

Singleton, P. A., Kothuri, S., †Vahedi Saheli, M., Yates, E., & Broach, J. (2024 June). Pedestrian volume estimation from Oregon traffic signal data. Presented at the National Travel Monitoring Exposition and Conference, Boise, ID. 

*†Rafe, A., & Singleton, P. A. (2024 March). Imputing time series pedestrian volume data with consideration of epidemiological-environmental (EpiEnv) variables. Presented at the Transportation Research Board ACP70(2) Bicycle and Pedestrian Data Subcommittee, Conversations with Colleagues webinar.

Singleton, P. A. (2024 February). Canal trails: Conserving water and moving people. Presented at Utah State University, Taylorsville, UT. https://research.usu.edu/landscapes/events/canal-trails

*†Rafe, A., & Singleton, P. A. (2024 January). Imputing time series pedestrian volume data with consideration of epidemiological-environmental (EpiEnv) variables. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

*Acharya, S., †Subedi, A., & Singleton, P. A. (2024 January). Anticipating the changes in travel-based activities preferences and travel time usefulness ratings in the autonomous vehicle era. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Rafe, A., Arman, M. A., & Singleton, P. A. (2024 January). An in-depth investigation into factors influencing pedestrian crash severity: Comparative analysis of ordered probit, stacking ensemble model, and TabNet. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

*Humagain, P., Flaris, K., Gkritza, N., Singleton, P. A., & Song, Z. (2024 January). A multi-group analysis of the impact of transit electrification on the intentions to use public transit: An extension of the theory of planned behavior. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

Acharya, S., *†Subedi, A., Singleton, P. A., Mekker, M. (2024 January). Developing safety performance functions and crash modification factors for skid resistance. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Tiwari, P., Singleton, P. A., & Park, K. (2024 January). Impacts of area-wide air pollution on multimodal traffic: Comparing motor vehicle, pedestrian, and transit volumes in northern Utah. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Soltani Mandolakani, F., & Singleton, P. A. (2024 January). Electric vehicle charging infrastructure deployment: A discussion of equity and justice theories and accessibility measurement. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Vahedi Saheli, M., & Singleton, P. A. (2024 January). Systemic analysis of bicycle and pedestrian safety in Utah. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

Kothuri, S., Singleton, P. A., †Vahedi Saheli, M., & Yates, E. (2024 January). Active transportation counts from existing on-street signal and detection infrastructure. Presented at the 103rd Annual Meeting of the Transportation Research Board, Washington, DC.

2023

*†Nelson, T., & Singleton, P. A. (2023 November). Perceptions of roundabout safety as a motor vehicle driver. Presented at the Utah State University Student Research Symposium, Logan, UT.

Kiani, N., Van Wagenen, H., Tohinaka, K., & Singleton, P. A. (2023 October). Active transportation data and assets: What has been ignored for so long. Presented at the Utah Transportation Conference, Sandy, UT. 

*†Soltani Mandolakani, F., & Singleton, P. A. (2023 October). Framework for an equitable and just deployment of electric vehicle charging infrastructure. Presented at the Annual Conference of the Association of Collegiate Schools of Planning, Chicago, IL. 

*†Soltani Mandolakani, F., †Vahedi Saheli, M., & Singleton, P. A. (2023 October). Influences of area-wide air quality on the activity and travel behavior of urban, suburban, and rural residents of northern Utah. Presented at the Annual Conference of the Association of Collegiate Schools of Planning, Chicago, IL. 

Singleton, P. A. (2023 September). How does area-wide air pollution (smog, haze, smoke) affect traveler behaviors? Insights and challenges. Presented at Utah State University, Logan, UT. 

*†Subedi, A., Tiwari, P., & Singleton, P. A. (2023 June). Examining the impact of new commuter metro on mode choice: A case study of Salaya, Thailand. Presented at the American Society of Civil Engineering’s International Conference on Transportation and Development, Austin, TX.

*†Subedi, A., & Singleton, P. A. (2023 June). Active transportation crashes: Exploring impairment of active mode users in Utah. Presented at the American Society of Civil Engineering’s International Conference on Transportation and Development, Austin, TX.

Singleton, P. A. (2023 April). Pedestrian safety at Utah intersections: Crossing behaviors and right-turn conflicts. Presented at the Utah Zero Fatalities Safety Summit, Layton, UT.

*†Subedi, A., & Singleton, P. A. (2023 April). Improving intersection safety with geographically targeted crash prediction models in Utah. Presented at the Utah State University Student Research Symposium, Logan, UT.

Singleton, P. A. (2023 January). Pedestrian safety at intersections: Crossing behaviors & right-turn conflicts. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Tiwari, P., Park, K., & Singleton, P. A. (2023 January). Impacts of area-wide air pollution on multimodal traffic: Comparing pedestrian and motor vehicle volumes in northern Utah. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Rafe, A., Kretz, T., & Singleton, P. A. (2023 January). Importance of social behaviors on pedestrian dynamics: A case study of Islamic clothing in Iran. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

†Rahman, M. R., *†Vahedi Saheli, M., & Singleton, P. A. (2023 January). Risk factors for pedestrian crashes on Utah state highway segments: Results from parametric and non-parametric approaches controlling for pedestrian exposure. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., & †Poudel, N. (2023 January). Bicycling comfort at roundabouts: Effects of design and situational factors. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Paskett, A., Song, Z., & Singleton, P. A. (2023 January). Barriers and drivers to transit bus electrification: The transit agency’s perspective. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

*Young, G., Wasserman, D., Foster, D., Singleton, P. A., & Tomlin, S. (2023 January). Mode shift potential evaluation from desire line analysis. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Acharya, S., Mekker, M. M., & Singleton, P. A. (2023 January). Validating the satisfaction with travel scale and measuring long-distance recreational travel satisfaction. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

*†Flaris, K., Gkritza, N., Song, Z., Graul, A., & Singleton, P. A. (2023 January). Bus riders’ perceptions towards electric buses. Presented at the 102nd Annual Meeting of the Transportation Research Board, Washington, DC.

2022

Singleton, P. A., & ^†Poudel, N. (2022 December). Perceived comfort and preferences about roundabouts among US bicyclist. To be presented at the 16th International Conference on Travel Behaviour Research, Santiago, Chile.

*^†Humagain, P., & Singleton, P. A. (2022 December). Extending the model of goal directed behavior to understand outdoor recreation intentions during COVID 19: the role of constraints, negotiations, motivations and information search. To be presented at the 16th International Conference on Travel Behaviour Research, Santiago, Chile.

Singleton, P. A., ^†Ward, J., T., & Graul, A. R. H. (2022 June). The positive utility of consumer travel: Investigating consumer adoption of green and non-motorized transportation modes. Presented at the American Marketing Association Marketing + Public Policy Conference, Austin, TX.

Singleton, P. A. (2022 February). Pedestrian volume data from traffic signals: Models and methods for monitoring, planning, safety, and other applications. Presented at the Graduate/Research Seminar Series, Parks College of Engineering, Aviation and Technology, Saint Louis University, St. Louis, MO.

^†Poudel, N., & Singleton, P. A. (2022 January). Marginal utilities of commute time, work time, income, and travel cost using stated preference survey. Presented at the 101st Annual Meeting of the Transportation Research Board, Washington, DC.

*^†Humagain, P., Singleton, P. A., & Biehl, A. (2022 January). Segmentation analysis of attribution of responsibility over air pollution and its impacts on travel behavioral responses. Presented at the 101st Annual Meeting of the Transportation Research Board, Washington, DC.

^†Crump, M., Singleton, P. A., Torres-Rua, A., & ^†Pack, A. (2022 January). Active transportation routes using canal corridors: Decision tools in creating successful canal trail projects. Presented at the 101st Annual Meeting of the Transportation Research Board, Washington, DC.

*^†Acharya, S., & Singleton, P. A. (2022 January). Exploring associations of inclement weather and poor air quality with non-motorized trail volumes using a time series framework. Presented at the 101st Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A. (2022 January). Pedestrian traffic signal data: Models and methods for pedestrian traffic monitoring and other applications. Presented at the 101st Annual Meeting of the Transportation Research Board, Washington, DC.

2021

Singleton, P. A. (2021 October). Safety and planning uses for pedestrian volumes estimated from traffic signal data. Presented at the Utah Department of Transportation Annual Conference, Sandy, UT.

*†Humagain, P., & Singleton, P. A. (2021 August). Advances in pedestrian travel monitoring: Temporal patterns and spatial characteristics using pedestrian push-button data from Utah traffic signals. Presented at the World Symposium on Transport and Land Use Research, Portland, OR.

Singleton, P. A., & Runa, F. (2021 July). Pedestrian traffic signal data: Models for estimating pedestrian volumes. Presented at the Institute of Transportation Engineers Annual Meeting, Portland, OR.

Singleton, P. A. (2021 June). Systemic analysis of bicycle & pedestrian safety in Utah. Presented at the Joint Tran-SET Webinar Series. https://transet.lsu.edu/webinars/

*†Crump, M., †Pack, A., Singleton, P. A., Torres-Rua, A. F. (2021 May). Canals + trails: Considerations & opportunities. Presented at the Utah Water Users Workshop, St. George, UT.

*†Crump, M., †Pack, A., Singleton, P. A., & Torres-Rua, A. F. (2021 April). Active transportation in canal corridors. Presented at the Utah State University Student Research Symposium, Logan, UT.

Singleton, P. A., Taylor, M., Day, C., Poddar, S., Kothuri, S., & Sharma, A. (2021 January). Impact of COVID-19 on traffic signal systems: A survey of agency interventions and observed changes in pedestrian activity. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*†Humagain, P., & Singleton, P. A. (2021 January). Impacts of episodic poor air quality on trip-making behavior and air quality perceptions from a longitudinal travel diary survey. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*De Vos, J., Singleton, P. A., & Gärling, T. (2021 January). From attitude to satisfaction: Introducing the travel mode choice cycle. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*Ferenchak, N. N., Gutierrez, R. E., & Singleton, P. A. (2021 January). The role of lighting condition across the pedestrian injury severity spectrum. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., Graul, A. R. H., & †Poudel, N. (2021 January). How socio-demographic characteristics impact sustainable transportation mode choices: An interdisciplinary approach to exploring mode choices and preferences. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., Park, K., & †Lee, D. H. (2021 January). Utilizing pedestrian push-button data for direct demand models of pedestrian traffic volumes at intersections. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., & †Runa. F. (2021 January). Pedestrian traffic signal data accurately estimates pedestrian crossing volumes. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*†Ward, J. T., Singleton, P. A., Graul, A. R. H., & †Garrison, M. (2021 January). Well-being, health, and social considerations motivate transportation mode decisions for active travel mode users. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*†Runa, F., & Singleton, P. A. (2021 January). Does weather matter for walking? Assessing the impacts of weather on pedestrian signal activity at signalized intersections in northern Utah. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*†Islam, A., Singleton, P. A., & Mekker. M. M. (2021 January). Evaluating pedestrian “safety in numbers” at signalized intersections in Utah with pedestrian exposure data from traffic signals. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

*†Rahman, M. R., †Poudel, N., & Singleton, P. A. (2021 January). Perceptions of multimodal traffic safety concerns in a university population. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., & †Poudel, N. (2021 January). Analyzing simple work time and commute time tradeoffs for insights into components of the value of travel time savings. Presented at the 100th Annual Meeting of the Transportation Research Board, Washington, DC.

2020

*^†Humagain, P., & Singleton, P. A. (2020 September). Developing typologies (factor groups) of pedestrian activity patterns at signalized intersections using pedestrian push button data. Presented at the ITE webinar NaTMEC: Pedestrian Safety, Travel Monitor, Relating the Two (webinar).

*^†Islam, A., Mekker. M. M., & Singleton, P. A. (2020 September). Safety in numbers? Developing improved safety predictive methods for pedestrian crashes at signalized intersections in Utah using push button-based measures of exposure. Presented at the ITE webinar NaTMEC: Pedestrian Safety, Travel Monitor, Relating the Two (webinar).

*^†Runa, F., & Singleton, P. A. (2020 August). What factors are associated with travel liking? Evidence from commuters in Portland, Oregon. Presented at the Bridging Transportation Researchers Online Conference.

*^†Poudel, N., & Singleton, P. A. (2020 April). Understanding value of travel time savings through work time and commute time trade-offs. Presented at the Utah State University Student Research Symposium, Logan, UT.

*^†Runa, F., & Singleton, P. A.. (2020 April). Validating pedestrian traffic signal push button data as a measure of walking activity at signalized intersections. Presented at the Utah State University Student Research Symposium, Logan, UT.

*^†Garrison, M., *^†Ward, J., Graul, A., & Singleton, P. A. (2020 February). Exploring consumer behavior in transportation mode decisions. Presented at the Utah Conference on Undergraduate Research, Logan, UT.

*^†Humagain, P., & Singleton, P. A. (2020 January). Would you rather teleport or spend some time commuting? Investigating individuals’ teleportation preferences. Presented at the 99th Annual Meeting of the Transportation Research Board, Washington, DC.

*^†Humagain, P., & Singleton, P. A. (2020 January). Investigating travel time satisfaction and actual versus ideal commute times: A path analysis approach. Presented at the 99th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A. (2020 January). Pedestrian traffic signal data: Validation and applications. Presented at the 99th Annual Meeting of the Transportation Research Board, Washington, DC.

2019

*^†Garrison, M., *^†Ward, J., Graul, A., & Singleton, P. A. (2019 December). Exploring consumer travel mode decision making. Presented at the Utah State University Fall Undergraduate Research Symposium.

*^†Poudel, N., & Singleton, P. A. (2019 November). Bicycle safety at roundabouts: A literature review. Presented at the Utah Department of Transportation Annual Conference, Sandy, UT.

*^†Runa, F., & Singleton, P. A. (2019 November). Pedestrian traffic signal push button data: Validation as a measure of walking activity. Presented at the Utah Department of Transportation Annual Conference, Sandy, UT.

*^†Ward, J., ^†Thompson, S., & Singleton, P. A. (2019 April). Waiting for the air to clear: Evaluating the effect of poor air quality on personal and household transportation decisions. Presented at the Utah State University Student Research Symposium, Logan, UT.

*^†Runa, F., & Singleton, P. A. (2019 April). People’s attitude toward traveling: Which factors are responsible for travel liking? Presented at the Utah State University Student Research Symposium, Logan, UT.

*^†Humagain, P., & Singleton, P. A., ^†Runa, F. (2019 April). Determining typology of signalized intersections based on pedestrian actuation through use of traffic signal controller data. Presented at the Utah State University Student Research Symposium, Logan, UT.

Singleton, P. A., ^†Knight, C., & Crites, D. (2019 February). Exploring associations between non-motorized traffic and episodic area-wide air pollution in Northern Utah. Presented at the Active Living Conference, Charleston, SC.

Singleton, P. A. (2019 January). Exploring the Positive Utility of Travel and mode choice: Subjective well-being and travel-based multitasking during the commute. Presented at the 98th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A. (2019 January). Validating the Satisfaction with Travel Scale as a measure of hedonic subjective well-being for commuting in a U.S. city. Presented at the 98th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., ^†Knight, C., & Crites, D. (2019 January). Exploring associations between non-motorized traffic and episodic area-wide air pollution in Northern Utah. Presented at the 98th Annual Meeting of the Transportation Research Board, Washington, DC.

2018

Singleton, P. A. (2018 November). 2019 Winter Transportation Study, Cache County, Utah: Research on travel behavior & air quality. Presented to the Cache Metropolitan Planning Organization Executive Council Meeting, Logan, UT.

Singleton, P. A. (2018 July). Exploring the Positive Utility of Travel and mode choice: Subjective well-being and travel-based multitasking during the commute. Presented at the 15th International Conference on Travel Behavior Research, Santa Barbara, CA.

*Orrego-Oñate, J., Clifton, K., Singleton, P., & Schneider, R. (2018 July). An exploration of the inter- and intra-regional relationships between the built environment and walking. Presented at the 15th International Conference on Travel Behavior Research, Santa Barbara, CA.

Singleton, P. A. (2018 June). Enjoying the experience of everyday transportation. Presented at the Utah Chapter of the American Society of Landscape Architects Annual Meeting, Park City, UT.

Singleton, P. A. (2018 June). Transportation planning in an autonomous vehicle future. Presented at the Utah Chapter of the American Society of Landscape Architects Annual Meeting, Park City, UT.

Singleton, P. A. (2018 March). Discussing the “positive utilities” of autonomous vehicles: Will travelers really use their time productively? Presented at the Urbanism Next Conference, Portland, OR.

Singleton, P. A. (2018 February). The positive utility of active travel: Multitasking and subjective well-being. Presented at the Active Living Research Conference, Banff, AB.

Singleton, P. A. (2018 January). How useful is travel-based multitasking? Evidence from Portland, Oregon, commuters. Presented at the 97th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., & Clifton, K. J. (2018 January). Towards measures of the positive utility of travel: Affective and eudaimonic travel subjective well-being. Presented at the 97th Annual Meeting of the Transportation Research Board, Washington, DC.

Singleton, P. A., Totten, J. C., Orrego-Oñate, J. P., Schneider, R. J., & Clifton, K. J. (2018 January). Making strides: State-of-the-practice of pedestrian forecasting in regional travel models. Presented at the 97th Annual Meeting of the Transportation Research Board, Washington, DC.

*Gehrke, S., Singleton, P. A., & Clifton, K. J. (2018 January). Understanding neighborhood preferences: The roles of lifecycle stage, mobility style, and lifestyle aspirations. Presented at the 97th Annual Meeting of the Transportation Research Board, Washington, DC.

*Orrego-Oñate, J. P., Totten, J. C., Singleton, P. A., Schneider, R. J., & Clifton, K. J. (2018 January). Density differences: Exploring built environment relationships with walking between and within metropolitan areas. Presented at the 97th Annual Meeting of the Transportation Research Board, Washington, DC.

2017

Singleton, P. A. (2017 November). Transportation, travel behavior, and air quality. Presented at the Clean Air Affair, Cache Clean Air Consortium, Logan, UT.

Singleton, P. A. (2017 October). Making use of the commute: Travel-based multitasking in Portland, Oregon. Presented at the 57th Annual Conference of the Association of Collegiate Schools of Planning, Denver, CO.

*Orrego-Oñate, J. P., Totten, J. C., Singleton, P. A., Schneider, R. J., & Clifton, K. J. (2017 October). Transferring the pedestrian index of the environment. Presented at the 57th Annual Conference of the Association of Collegiate Schools of Planning, Denver, CO.

Singleton, P. A., & Clifton, K. J. (2017 September). Towards measures of the positive utility of travel and related concepts. Presented at the 11th International Conference on Transport Survey Methods, Estérel, QC.

Singleton, P. A. (2017 September). Walking and bicycling for health and happiness: Exploring the positive utility of travel and mode choice. Presented at the 3rd Annual Transportation and Communities Summit, Portland, OR.

Singleton, P. A. (2017 July). The Pedestrian Index of the Environment (PIE). Presented at the TRB Straight to Recording for All: Methods to Measure Walkability: From Qualitative to Quantitative (archived webinar). http://www.trb.org/ElectronicSessions/Blurbs/176397.aspx