Trisalyn Nelson
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View article: Uncertainty in Cell-Phone Generated Bike and Pedestrian Volumes
Uncertainty in Cell-Phone Generated Bike and Pedestrian Volumes Open
Big data from mobile phones are increasingly used in transport research and planning, offering unprecedented spatial and temporal detail. However, data accuracy remains unclear. This study evaluates Replica, a dataset modelled from mobile …
View article: Cycling route choice preferences: A taste heterogeneity and exogenous segmentation analysis based on age, gender, Geller typology, and e-bike use
Cycling route choice preferences: A taste heterogeneity and exogenous segmentation analysis based on age, gender, Geller typology, and e-bike use Open
View article: Predictors of Biking Behavior Changes after a Safety Incident
Predictors of Biking Behavior Changes after a Safety Incident Open
Understanding how a safety incident while biking influences future ridership can inform efforts to increase and retain bicycle ridership. However, there are limited data on how a crash or near miss impacts a person’s future riding. Using s…
View article: “Do people walk and bike more when their neighbors do?”: Analyzing racial/ethnic disparities in active transportation using neighborhood peer effects
“Do people walk and bike more when their neighbors do?”: Analyzing racial/ethnic disparities in active transportation using neighborhood peer effects Open
View article: Testing a generalized model to map bicycle ridership using crowdsourced data in a racially diverse city
Testing a generalized model to map bicycle ridership using crowdsourced data in a racially diverse city Open
View article: Rethinking <scp>GIScience</scp> Education in an Age of Disruptions
Rethinking <span>GIScience</span> Education in an Age of Disruptions Open
GIS and GIScience education have continually evolved over the past three decades, responding to technological advances and societal issues. Today, the content and context in which GIScience is taught continue to be impacted by these disrup…
View article: Quantify relationships between bike network connectivity and bike safety: A comparative analysis of connectivity metrics conducted in two California cities
Quantify relationships between bike network connectivity and bike safety: A comparative analysis of connectivity metrics conducted in two California cities Open
View article: Bicycle Theft in the US: Magnitude and Equity Impacts
Bicycle Theft in the US: Magnitude and Equity Impacts Open
In this paper, we estimate the number and value of adult bicycles stolen annually in the United States, and we examine the associated equity impacts. We used data from a representative survey of US adult residents and bicycle import data f…
View article: Top pedestrian concerns in Canada mapped on WalkRollMap.org
Top pedestrian concerns in Canada mapped on WalkRollMap.org Open
Walking is a healthy, sustainable, and economical form of transportation or recreation. Yet in North America walking is not always accessible, safe, or comfortable. A challenge to creating quality pedestrian environments is lack of data on…
View article: Cycling Route Choice Preferences: A Taste Heterogeneity and Exogenous Segmentation Analysis Based on Age, Gender, Geller Typology, and E-Bike Use
Cycling Route Choice Preferences: A Taste Heterogeneity and Exogenous Segmentation Analysis Based on Age, Gender, Geller Typology, and E-Bike Use Open
View article: <span>Gender differences in bicycle infrastructure use and preferences: A disconnect between ideals and reality</span>
<span>Gender differences in bicycle infrastructure use and preferences: A disconnect between ideals and reality</span> Open
View article: Collecting population-representative bike-riding GPS data to understand bike-riding activity and patterns using smartphones and Bluetooth beacons
Collecting population-representative bike-riding GPS data to understand bike-riding activity and patterns using smartphones and Bluetooth beacons Open
View article: A research agenda for GIScience in a time of disruptions
A research agenda for GIScience in a time of disruptions Open
Social issues, AI, and climate change are just a few of the disruptive focuses impacting science. The field of GIScience is well positioned to respond to accelerating disruptions due to the interdisciplinary nature of the field and the abi…
View article: Cycling towards complete communities: Estimating access to destinations via low traffic stress cycling
Cycling towards complete communities: Estimating access to destinations via low traffic stress cycling Open
Cities worldwide are pursuing ‘complete community’ policies so that residents can walk or wheel safely to daily destinations. There are concerns about who benefits from these policies, but evaluation is lacking. This study investigated cyc…
View article: Collecting population-representative bike-riding GPS data to understand bike-riding activity and patterns using smartphones and Bluetooth beacons
Collecting population-representative bike-riding GPS data to understand bike-riding activity and patterns using smartphones and Bluetooth beacons Open
THIS PAPER HAS NOW BEEN ACCEPTED AND PUBLISHED BY TRAVEL BEHAVIOUR AND SOCIETY. PLEASE REFER TO THE JOURNAL VERSION OF THE PREPRINT FOR THE MOST UPDATED VERSION.https://doi.org/10.1016/j.tbs.2024.100919Bike-riding GPS data offers detailed …
View article: Evaluating the relationship between walking and street characteristics based on big data and machine learning analysis
Evaluating the relationship between walking and street characteristics based on big data and machine learning analysis Open
The relationship between walking and the built environment is gaining increased attention for promoting sustainable transport and healthy communities. However, while pedestrians engage with the street environment, walkability assessments o…
View article: How accessible are cities for visually impaired pedestrians? A case of Greater London
How accessible are cities for visually impaired pedestrians? A case of Greater London Open
Urban planning and design aim to encourage active mobility by promoting various models that assess a city’s transportability and accessibility. In practice, these models are not attuned to a huge part of the population that have mobility i…
View article: Linking spatial pattern to process: an old challenge with new barriers
Linking spatial pattern to process: an old challenge with new barriers Open
The link between spatial patterns and spatial processes is fundamental to spatial analysis. Multiple spatial processes work in concert generating spatial patterns that can be mapped and quantified. Teasing out the relationship between spat…
View article: The impact of bicycle theft on ridership behavior
The impact of bicycle theft on ridership behavior Open
Cities worldwide are promoting bicycling as a sustainable mode of transportation. However, bicycle theft remains a significant deterrent for potential riders, and also influences the behaviors of existing cyclists. Understanding the impact…
View article: Who has access to cycling infrastructure in Canada? A social equity analysis
Who has access to cycling infrastructure in Canada? A social equity analysis Open
Canadian cities have made significant investments in cycling infrastructure to support uptake in active transportation. Who has spatial access to supportive infrastructure is an important equity question: lack of access to safe infrastruct…
View article: Human disturbance in riparian areas disrupts predator–prey interactions between grizzly bears and salmon
Human disturbance in riparian areas disrupts predator–prey interactions between grizzly bears and salmon Open
Wildlife must increasingly balance trade‐offs between the need to access important foods and the mortality risks associated with human‐dominated landscapes. Human disturbance can profoundly influence wildlife behavior, but managers know li…
View article: Association between network characteristics and bicycle ridership across a large metropolitan region
Association between network characteristics and bicycle ridership across a large metropolitan region Open
Numerous studies have explored associations between bicycle network characteristics and bicycle ridership. However, the majority of these studies have been conducted in inner metropolitan regions and as such, there is limited knowledge on …
View article: Improving the Denominator of Safety Rankings for Bicycle and Pedestrian Safety
Improving the Denominator of Safety Rankings for Bicycle and Pedestrian Safety Open
View article: Patterns in Bike Theft and Recovery
Patterns in Bike Theft and Recovery Open
Limited research on the patterns of bicycle theft and recovery makes it difficult to tackle the issue of bicycle theft. Our goal is to generate knowledge that can reduce the negative impacts of bicycle theft by better understanding pattern…
View article: All ages and abilities cycling infrastructure, cycling activity, and perceived safety: Findings from a natural experiment study in three mid-sized Canadian cities
All ages and abilities cycling infrastructure, cycling activity, and perceived safety: Findings from a natural experiment study in three mid-sized Canadian cities Open
As many cities aim to increase cycling ridership, they turn to research for evidence on the effectiveness of building cycling infrastructure. Our study team of researchers and practitioners designed a natural experiment study to assess the…
View article: Erratum to “Branching out: Feasibility of examining the effects of greenspace on mental health after traumatic brain injury” [Dialogues in Health, Volume 2, 2023, 100129]
Erratum to “Branching out: Feasibility of examining the effects of greenspace on mental health after traumatic brain injury” [Dialogues in Health, Volume 2, 2023, 100129] Open
View article: Branching out: Feasibility of examining the effects of greenspace on mental health after traumatic brain injury
Branching out: Feasibility of examining the effects of greenspace on mental health after traumatic brain injury Open
View article: WalkRollMap.org: Crowdsourcing barriers to mobility
WalkRollMap.org: Crowdsourcing barriers to mobility Open
Walking is a simple way to improve health through physical activity. Yet many people experience barriers to walking from a variety of physical, social, and psychological factors that impact their mobility. A challenge for managing and stud…
View article: Developing a national dataset of bicycle infrastructure for Canada using open data sources
Developing a national dataset of bicycle infrastructure for Canada using open data sources Open
High-quality and consistent cycling infrastructure data are needed to advance research into equity and safety and for planning active transportation. With recent growth in cycling and investments in cycling infrastructure, there are concer…
View article: A framework for modern time geography: emphasizing diverse constraints on accessibility
A framework for modern time geography: emphasizing diverse constraints on accessibility Open
Time geography is widely used by geographers as a model for understanding accessibility. Recent changes in how access is created, an increasing awareness of the need to better understand individual variability in access, and growing availa…