Patrick Singleton

Publications | Book Chapters

• Kothuri, S., Lindsey, G., Nordback, K., Griswold, J., Roll, J., Proulx, F., Stolz, E., Hull, T., Ohlms, P., Singleton, P., (2024). Bicycle and pedestrian traffic monitoring: Advancing highway traffic monitoring through strategic research. Transportation Research Board
• Singleton, P., (2020). Exploring the Positive Utility of Travel and mode choice: Subjective well-being and travel-based multitasking during the commute: Mapping the Travel Behavior Genome. Elsevier
• Singleton, P., De Vos, J., Heinen, E., Pudāne, B., (2020). Potential health and well-being implications of autonomous vehicles: Advances in Transport Policy and Planning: Policy Implications of Autonomous Vehicles (Volume 5). Elsevier

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Fact Sheets

• Erwin, I., Becker, K., Singleton, P., Hotaling, S., (2024). Sustainable transportation: Transforming Utah through community action. USU Extension

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Journal Articles

Academic Journal

• Islam, A., Mekker, M., Singleton, P., (2025). Investigating bicycle crash frequency, severity, and safety in numbers at statewide signalized intersections in Utah using crowdsourced data. Journal of Cycling and Micromobility Research, 4, 100068. doi: 10.1016/j.jcmr.2025.100068
• Bouck, W., Alloro, L., Clark, K., Singleton, P., (2025). Transportation’s influences on wellbeing: A literature review and scoping framework. Curiosity, 2:1, 4. doi: 10.59620/2993-3323.1011
• Subedi, A., Singleton, P., (2025). Mode choice modeling of electric air taxis for long-distance airport trips. Transportation Research Interdisciplinary Perspectives, 31, 101421. doi: 10.1016/j.trip.2025.101421
• Panik, R.T, Shorey, J., Watkins, K.E, Singleton, P., Prakash, B.A, (2025). Time series clustering methods for categorizing active travel trends. Transportation Research Part A: Policy and Practice, 195, 104464. doi: 10.1016/j.tra.2025.104464
• Subedi, A., Singleton, P., Gomer, B., Acharya, S., (2025). Role of innovativeness in US electric air taxi adoption dynamics. Transport Findings, doi: 10.32866/001c.133789
• Rasouli, S., Gao, Y., Singleton, P., Delbosc, A., (2024). Travel well-being: Emerging issues, recent findings and future research. Transportation Research Part D: Transport and Environment, 137, 104508. doi: 10.1016/j.trd.2024.104508 *
• Rafe, A., Singleton, P., (2024). Exploring the complexity of pedestrian dynamics: Impact of societal behaviors and personal attributes in urban environments. Transportation Research Record: Journal of the Transportation Research Board, doi: 10.1177/03611981241260707
• Rafe, A., Arman, M., Singleton, P., (2024). A comparative study using generalized ordered probit, stacking ensemble, and TabNet: Application to determinants of pedestrian crash severity. Data Science in Transportation, 6:13, 1-26. doi: 10.1007/s42421-024-00098-x
• Rafe, A., Singleton, P., (2024). Imputing time series pedestrian volume data with consideration of epidemiological-environmental variables. Transportation Research Record: Journal of the Transportation Research Board, 2678:11, 281-298. doi: 10.1177/03611981241240758
• Soltani Mandolakani, F., Singleton, P., (2024). Electric vehicle charging infrastructure deployment: A discussion of equity and justice theories and accessibility measurement. Transportation Research Interdisciplinary Perspectives, 24, 101072. doi: 10.1016/j.trip.2024.101072
• Vahedi Saheli, M., Singleton, P., (2024). Injury severity analysis of rural vehicle crashes involving familiar and unfamiliar drivers. International Journal of Transportation Science and Technology, 13, 1-13. doi: 10.1016/j.ijtst.2023.11.002
• Poudel, N., Singleton, P., (2024). Willingness to pay for changes in travel time and work time: A stated choice experiment of US commuters. Research in Transportation Economics, 103, 101381. doi: 10.1016/j.retrec.2023.101381
• Young, G., Wasserman, D., Foster, D., Singleton, P., Tomlin, S., (2024). Evaluating segment-level active mode shift potential using desire lines. Transportation Research Record: Journal of the Transportation Research Board, 2678:2, 493-505. doi: 10.1177/03611981231175155
• Acharya, S., Singleton, P., (2024). Autonomous driving or teleportation? Travel time use, usefulness, and other insights from a survey of long-distance recreational travelers. Transport Findings, doi: 10.32866/001c.92087
• Acharya, S., Mekker, M., Singleton, P., (2023). Validating the satisfaction with travel scale and measuring long-distance recreational travel satisfaction. Transportation Research Part F: Traffic Psychology and Behaviour, 95, 1-17. doi: 10.1016/j.trf.2023.03.015
• Singleton, P., Poudel, N., (2023). Bicycling comfort at roundabouts: Effects of design and situational factors. Transportation Research Part F: Traffic Psychology and Behaviour, 94, 227-242. doi: 10.1016/j.trf.2023.02.008
• Flaris, K., Gkrtiza, K., Singleton, P., Graul, A., Song, Z., (2023). Riders’ perceptions towards transit bus electrification: Evidence from Salt Lake City, Utah. Transportation Research Part D: Transport and Environment, 117, 103642. doi: 10.1016/j.trd.2023.103642
• Runa, F., Singleton, P., (2023). Impacts of the COVID-19 pandemic on pedestrian push-button utilization and pedestrian volume model accuracy in Utah. Transportation Research Record: Journal of the Transportation Research Board, 2677:4, 494-502. doi: 10.1177/03611981221089935
• Park, K., Singleton, P., Brewer, S., Zuban, J., (2023). Pedestrians and the built environment during the COVID-19 pandemic: Changing relationships by the pandemic phases in Salt Lake County, UT, USA. Transportation Research Record: Journal of the Transportation Research Board, 2677:4, 448-462. doi: 10.1177/03611981221083606
• Singleton, P., Taylor, M., Day, C., Poddar, S., Kothuri, S., Sharma, A., (2023). Impact of COVID-19 on traffic signal systems: A survey of agency interventions and observed changes in pedestrian activity. Transportation Research Record: Journal of the Transportation Research Board, 2677:4, 192-203. doi: 10.1177/03611981211026303
• Islam, A., Mekker, M., Singleton, P., (2022). Examining pedestrian crash frequency, severity, and safety in numbers using pedestrian exposure from Utah traffic signal data. Journal of Transportation Engineering, Part A: Systems, 148:10, 04022084. doi: 10.1061/JTEPBS.0000737
• Crump, M., Singleton, P., Torres-Rua, A., Pack, A., (2022). Active transportation routes using canal corridors: Decision tools in creating successful canal trail projects. Journal of Urban Planning and Development, 148:3, 04022030. doi: 10.1061/(ASCE)UP.1943-5444.0000854
• Acharya, S., Singleton, P., (2022). Associations of inclement weather and poor air quality with non-motorized trail volumes  . Transportation Research Part D: Transport and Environment, 109, 103337. doi: 10.1016/j.trd.2022.103337
• Poudel, N., Singleton, P., (2022). Analyzing simple work time and commute time tradeoffs for insights into components of the value of travel time savings. Travel Behaviour and Society, 28, 330-337. doi: 10.1016/j.tbs.2022.04.011
• Ferenchak, N.N, Gutierrez, R.E, Singleton, P., (2022). Shedding light on the pedestrian safety crisis: An analysis across the injury severity spectrum by lighting condition. Traffic Injury Prevention, 23:7, 434-439. doi: 10.1080/15389588.2022.2100362
• De Vos, J., Singleton, P., Garling, T., (2022). From attitude to satisfaction: Introducing the travel mode choice cycle. Transport Reviews, 42:2, 204-211. doi: 10.1080/01441647.2021.1958952
• Poudel, N., Singleton, P., (2022). Preferences for roundabout attributes among US bicyclists: A discrete choice experiment. Transportation Research Part A: Policy and Practice, 155, 316-329. doi: 10.1016/j.tra.2021.11.023
• Humagain, P., Singleton, P., (2021). Examining relationships between COVID-19 destination practices, value, satisfaction and behavioral intentions for tourists’ outdoor recreation trips. Journal of Destination Marketing and Management, 22, 100665. doi: 10.1016/j.jdmm.2021.100665
• Humagain, P., Singleton, P., (2021). Advances in pedestrian travel monitoring: Temporal patterns and spatial characteristics using pedestrian push-button data from Utah traffic signals. Journal of Transport and Land Use, 14:1, 1341-1360. doi: 10.5198/jtlu.2021.2112
• Humagain, P., Singleton, P., (2021). Exploring tourists’ motivations, constraints, and negotiations regarding outdoor recreation trips during COVID-19 through a focus group study. Journal of Outdoor Recreation and Tourism, 36, 100447. doi: 10.1016/j.jort.2021.100447
• Humagain, P., De Vos, J., Singleton, P., (2021). Analyzing travel captivity by measuring the gap in travel satisfaction between chosen and alternative commute modes. Transportation Research Part D: Transport and Environment, 97, 102965. doi: 10.1016/j.trd.2021.102965
• Rahman, M., Poudel, N., Singleton, P., (2021). Multimodal traffic safety concerns in a university population. Transportation Research Part F: Traffic Psychology and Behaviour, 80, 424-435. doi: 10.1016/j.trf.2021.05.013
• Singleton, P., Park, K., Lee, D., (2021). Varying influences of the built environment on daily and hourly pedestrian crossing volumes at signalized intersections estimated from traffic signal controller event data. Journal of Transport Geography, 93, 103067. doi: 10.1016/j.jtrangeo.2021.103067
• Runa, F., Singleton, P., (2021). Assessing the impacts of weather on pedestrian signal activity at 49 signalized intersections in northern Utah. Transportation Research Record: Journal of the Transportation Research Board, 2675:6, 406-419. doi: 10.1177/0361198121994111
• Singleton, P., Runa, F., (2021). Pedestrian traffic signal data accurately estimates pedestrian crossing volumes. Transportation Research Record: Journal of the Transportation Research Board, 2675:6, 429-440. doi: 10.1177/0361198121994126
• Humagain, P., Singleton, P., (2021). Exploring satisfaction with travel time profiles towards understanding intrinsic utilities of travel time. Travel Behaviour & Society, 24, 22-33. doi: 10.1016/j.tbs.2021.02.001
• Runa, F., Singleton, P., (2021). What factors are associated with travel liking? Evidence from commuters in Portland, Oregon. Travel Behaviour & Society, 23, 207-215. doi: 10.1016/j.tbs.2021.01.004
• Singleton, P., Clifton, K.J, (2021). Towards measures of affective and eudaimonic subjective well-being in the travel domain. Transportation, 48:1, 303-336. doi: 10.1007/s11116-019-10055-1
• Poudel, N., Singleton, P., (2021). Bicycle safety at roundabouts: A systematic literature review. Transport Reviews, 1877207. doi: 10.1080/01441647.2021.1877207
• De Vos, J., Singleton, P., Dill, J., (2020). Travel, health and well-being: A focus on past studies, a special issue, and future research. Journal of Transport & Health, 19, 100973. doi: 10.1016/j.jth.2020.100973 *
• Humagain, P., Singleton, P., (2020). Would you rather teleport or spend some time commuting? Investigating individuals’ teleportation preferences. Transportation Research Part F: Traffic Psychology and Behaviour, 74, 458-470. doi: 10.1016/j.trf.2020.09.010
• De Vos, J., Singleton, P., (2020). Travel and cognitive dissonance. Transportation Research Part A: Policy and Practice, 138, 525-536. doi: 10.1016/j.tra.2020.06.014
• Humagain, P., Singleton, P., (2020). Investigating travel time satisfaction and actual versus ideal commute times: A path analysis approach. Journal of Transport and Health, 16, 100829. doi: 10.1016/j.jth.2020.100829
• Gehrke, S., Singleton, P., Clifton, K., (2019). Understanding stated neighborhood preferences: The roles of lifecycle stage, mobility style, and lifestyle aspirations. Travel Behaviour and Society, 17, 62-71. doi: 10.1016/j.tbs.2019.07.001
• Stark, J., Singleton, P., Uhlmann, T., (2019). Exploring children’s school travel, psychological well-being, and travel-related attitudes: Evidence from primary and secondary school children in Vienna, Austria. Travel Behaviour and Society, 16, 118-130. doi: 10.1016/j.tbs.2018.02.005
• Singleton, P., (2019). Walking (and cycling) to well-being: Modal and other determinants of subjective well-being during the commute. Travel Behaviour and Society, 16, 249–261. doi: 10.1016/j.tbs.2018.02.005
• Singleton, P., (2019). Multimodal travel-based multitasking during the commute: Who does what?. International Journal of Sustainable Transportation, 14:2, 150-162. doi: 10.1080/15568318.2018.1536237
• Singleton, P., (2019). Validating the Satisfaction with Travel Scale as a measure of hedonic subjective well-being for commuting in a U.S. city. Transportation Research Part F: Traffic Psychology and Behaviour, 60, 399-414. doi: 10.1016/j.trf.2018.10.029
• Singleton, P., (2019). Discussing the “positive utilities” of autonomous vehicles: Will travellers really use their time productively?. Transport Reviews, 39:1, 50-65. doi: 10.1080/01441647.2018.1470584
• Singleton, P., (2018). How useful is travel-based multitasking? Evidence from commuters in Portland, Oregon. Transportation Research Record: Journal of the Transportation Research Board, 2672:50, 11-22. doi: 10.1177/0361198118776151
• Singleton, P., Totten, J.C, Orrego-Onate, J.P, Schneider, R.J, Clifton, K.J, (2018). Making strides: State-of-the-practice of pedestrian forecasting in regional travel models. Transportation Research Record: Journal of the Transportation Research Board, 2672:35, 58-68. doi: 10.1177/0361198118773555
• Stark, J., Meschik, M., Singleton, P., Schutzhofer, B., (2018). Active school travel, attitudes and psychological well-being of children. Transportation Research Part F: Traffic Psychology and Behaviour, 56, 453–465. doi: 10.1016/j.trf.2018.05.007
• Lefebvre-Ropars, G., Morency, C., Singleton, P., Clifton, K.J, (2017). Spatial transferability assessment of a composite walkability index: The Pedestrian Index of the Environment (PIE). Transportation Research Part D: Transport and Environment, 57, 378–391. doi: 10.1016/j.trd.2017.08.018
• Singleton, P., Clifton, K.J, (2017). Considering health in US metropolitan long-range transportation plans: A review of guidance statements and performance measures. Transport Policy, 57, 79–89. doi: 10.1016/j.tranpol.2017.02.003
• Clifton, K.J, Singleton, P., Muhs, C.D, Schneider, R.J, (2016). Development of destination choice models for pedestrian travel. Transportation Research Part A: Policy and Practice, 94, 255–265. doi: 10.1016/j.tra.2016.09.017
• Singleton, P., Goddard, T., (2016). Cycling by choice or necessity? Exploring the gender gap in bicycling in Oregon. Transportation Research Record: Journal of the Transportation Research Board, 2598, 110–118. doi: 10.3141/2598-13
• Clifton, K.J, Singleton, P., Muhs, C.D, Schneider, R.J, (2016). Representing pedestrian activity in travel demand models: Framework and application. Journal of Transport Geography, 52, 111–122. doi: 10.1016/j.jtrangeo.2016.03.009
• Singleton, P., Clifton, K.J, (2014). Exploring synergy in bicycle and transit use: Empirical evidence at two scales. Transportation Research Record: Journal of the Transportation Research Board, 2417, 92–201. doi: 10.3141/2417-10
• Singleton, P., Wang, L., (2014). Safety and security in discretionary travel decision making: Focus on active travel mode and destination choice. Transportation Research Record: Journal of the Transportation Research Board, 2430, 47–58. doi: 10.3141/2430-06
• Rafe, A., Singleton, P., Boyer, S., Mekker, M., Pedestrian crossing behaviors at signalized intersections in Utah: Factors affecting spatial and temporal violations. International Journal of Transportation Science and Technology, doi: 10.1016/j.ijtst.2024.12.005

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Technical Reports

Research Reports

• Singleton, P., Tiwari, P., Park, K., (2024). Impacts of area-wide air pollution on multimodal traffic volumes in Utah. Mountain-Plains Consortium
• Singleton, P., Soltani Mandolakani, F., Subedi, A., Mekker, M., (2024). Pedestrian safety and traffic operations near transit stops. Mountain-Plains Consortium
• Singleton, P., Humagain, P., Soltani Mandolakani, F., Vahedi Saheli, M., (2024). Investigating travel behavior and air quality in Northern Utah. Mountain-Plains Consortium
• Singleton, P., Rafe, A., Humagain, P., Runa, F., Islam, A., Mekker, M., (2024). Utilizing traffic signal pedestrian push-button data for pedestrian planning and safety analysis. Mountain-Plains Consortium
• Singleton, P., Poudel, N., (2024). Investigating bicyclist safety perceptions and behaviors at roundabouts. Mountain-Plains Consortium
• Kothuri, S., Singleton, P., Vahedi Saheli, M., Yates, E., Broach, J., (2024). Active transportation counts from existing on-street signal and detection infrastructure. Oregon Department of Transportation *
• Singleton, P., Mekker, M., Gaither, A., Subedi, A., Islam, A., (2023). Right-turn safety for walking/bicycling: impacts of curb/corner radii and other factors. Utah Department of Transportation *
• Singleton, P., Mekker, M., Boyer, S., (2023). Pedestrian traffic signal violations: Safety, design, and operational implications. Utah Department of Transportation *
• Burbidge, S.K, Singleton, P., Azra, N., Subedi, A., (2023). Impaired active transportation users. Utah Department of Transportation *
• Wasserman, D., Young, G., Foster, D., Singleton, P., (2022). Mode shift potential evaluations using desire lines & connections to active functional classification systems. Utah Department of Transportation *
• Singleton, P., Rahman, M., Burbidge, S., (2022). Systemic analysis of bicycle and pedestrian safety in Utah. Utah Department of Transportation *
• Crump, M., Singleton, P., Torres-Rua, A., Pack, A., (2022). Active transportation facilities in canal corridors. Utah Department of Transportation *
• Singleton, P., Park, K., Lee, D., (2021). Utilizing ATSPM data for pedestrian planning and analysis – Phase II: Extending pedestrian volume estimation capabilities to unsignalized intersections. Utah Department of Transportation *
• Singleton, P., Mekker, M., Ahadul, I., (2021). Safety in numbers? Developing improved safety predictive methods for pedestrian crashes at signalized intersections in Utah using push button-based measures of exposure. Utah Department of Transportation *
• Singleton, P., Runa, F., Humagain, P., (2020). Utilizing archived traffic signal performance measures for pedestrian planning and analysis. Utah Department of Transportation *
• Singleton, P., (2017). Exploring the positive utility of travel and mode choice. National Institute for Transportation and Communities *
• Clifton, K.J, Singleton, P., Muhs, C.D, Schneider, R.J, (2015). Development of a pedestrian demand estimation tool. National Institute for Transportation and Communities
• Clifton, K.J, Singleton, P., Muhs, C.D, Schneider, R.J, Lagerwey, P., (2013). Improving the representation of the pedestrian environment in travel demand models. Oregon Transportation Research and Education Consortium

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.

Publications | Other

Other

• Singleton, P., (2017). Exploring the positive utility of travel and mode choice. Portland State University *
• Singleton, P., (2013). A theory of travel decision-making with applications for modeling active travel demand. Portland State University *

An asterisk (*) at the end of a publication indicates that it has not been peer-reviewed.