89 Results

App-based Data Collection to Characterize Latent Transportation Demand within Marginalized and Underserved Populations

Noelle Fields
Stephen Mattingly , David Levine , Nicole Iroz-Elardo , Courtney Cronley
This interdisciplinary, multi-site, technology transferability study will advance innovative methods in travel data collection and improve the quality of data designed to show latent travel demand, as well as the impacts of mobility on the physical, ... Read More

Statistical Inference for Multimodal Travel Time Reliability

Avinash Unnikrishnan
Miguel Figliozzi , Subhash Kochar
Travel time reliability is a key metric of interest to practitioners and researchers. There are several metrics available for travel time reliability - buffer index, planning index, probability of travel time being higher than a specific value, etc. ... Read More

Estimating the Economic Impacts Of Transportation-Related Supply Chain Disruptions In The Post-Earthquake Environment

Divya Chandrasekhar
"Estimating economic impact of transportation-related supply chain disruptions in the post-earthquake environment (Case Study: Wasatch Region)" PI: Divya Chandrasekhar, City & Metropolitan Planning, University of Utah Partner organizations: Kem ... Read More

Integrate Socioeconomic Vulnerability for Resilient Transportation Infrastructure Planning

Liming Wang
John MacArthur , Yu Xiao
The objective of this proposal is to develop a new methodology that incorporates community socioeconomic vulnerability in the evaluation of transportation infrastructure vulnerabilities for cities and regions facing multi-hazards such as the Portland ... Read More

Pedestrian Behavior Study to Advance Pedestrian Safety in Smart Transportation Systems Using Innovative LIDAR Sensors

Taylor Li
Sirisha Kothuri , Xianfeng Yang
Pedestrian safety is critical to improving walkability. Although walking trips have increased in the last decade, pedestrian safety remains a top concern. In 2018, 6,283 pedestrians were killed in traffic crashes representing the most deaths since 19 ... Read More

Data-Driven Optimization for E-Scooter System Design

Jianqiang Cheng
The objective of this project is to develop data-driven, decision-making models and computational methods for shared-mobility system design and operation. Specifically, we will use shared e-scooters as a representative system, with the ultimate goal ... Read More

Employment-Worker Balance & Polycentric Transit-Oriented Development: Towards an Index

Robert Hibberd
This dissertation will further NITC goals to increase access to employment opportunities and provide better models for an increasingly complex transportation system. It will consider the effectiveness of transit-oriented development (TOD) at addressi ... Read More

Free Movement: Enhancing Open Data to Facilitate Independent Travel for Persons with Disabilities

Shiloh Deitz
Amy Lobben , Henry Luan , Colin Koopman , Stephen Fickas
Nearly 40 million Americans report a disability, and of this population, 70 percent travel less because of the challenges they face. When they do travel, those with limited mobility are more likely to be pedestrians or public transit users. Today, fr ... Read More

Exploring Data Fusion Techniques to Derive Bicycle Volumes on a Network

Sirisha Kothuri
Joseph Broach , Nathan McNeil , Kate Hyun , Stephen Mattingly
Planners and decision makers have increasingly voiced a need for network-wide estimates of bicycling activity. Such volume estimates have for decades informed motorized planning and analysis but have only recently become feasible for non-motorized tr ... Read More

An Electric Bus Deployment Framework for Improved Air Quality and Transit Operational Efficiency

Xiaoyue Liu
Aaron Golub , Ran Wei
Public transit, compared with passenger cars, can effectively help conserve energy, reduce air pollution, and optimize flow on roadways. In recent years, Battery Electric Bus (BEB) is receiving an increasing amount of attention from transit vehicle i ... Read More

Developing Strategies To Enhance Mobility And Accessibility For Community-Dwelling Older Adults

Kate Hyun
Caroline Krejci , Kathy Lee
Transportation is essential for older adults not only to provide a social link between home and community but also to enable access to living essentials, such as groceries and medicine. This study seeks to understand transportation access, opportunit ... Read More

Seamless Wayfinding by Individuals with Functional Disability in Indoor and Outdoor Spaces: An Investigation into Lived Experiences, Data Needs, and Technology Requirements

Martin Swobodzinski
Amy Parker
Human wayfinding and navigation allow human beings to fully participate in the environment and are essential elements for leading healthy, economically sustainable, and full lives. People with disabilities, including individuals with blindness, deafb ... Read More
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