Unsupervised Approach to Investigate Urban Traffic Crashes Based on Crash Unit, Crash Severity, and Manner of Collision

Farzin Maniei
Stephen Mattingly
Both crash frequency analysis (CFA) and real-time crash prediction models (RTCPMs) typically divide a highway into segments with a constant length for data aggregation. Despite the significant impact of the segment length in several previous traffic ... Read More

Equity Perspective in Transportation Planning

Jandel Crutchfield
The “Equity Perspective in Transportation Planning” proposal is to develop a module/session that familiarizes students with the historical and structural processes that fuel unequal transportation access and mobility for communities today. It is ... Read More

Toward Automating the Measurement of Urban Design Qualities Related to Walkability

S. Hassan Ameli
Streets are one of the most significant elements of urban spaces to accommodate public activity and provide access to numerous locations and services. Today, our cities face various challenges, including urban sprawl, air pollution, and obesity. To ... Read More

Housing Choice, Transportation Equity, and Access to Opportunities in Refugee and Immigrant Communities

Diane Mitschke
Anne Nordberg , Stephen Mattingly
Mobility directly impacts access to opportunities for all protected classes; however, transportation planning and public transit agencies and housing authorities rarely coordinate affordable housing and the transportation system planning decisions. T ... Read More

Understanding Travel Behavior and Accessibility for Older Adults: A Comprehensive Framework

E-Sok Andy Hong
Xiaoyue Cathy Liu
Accessibility plays a fundamental role in the day-to-day lives of individuals. However, the COVID-19 pandemic has highlighted the gross inequality in older people’s accessibility to health care and essential services. Months of staying inside, with ... Read More

Understanding Connections Between Mobility, Transportation, And Quality Of Life In Refugee Communities In Tucson, Arizona

Orhon Myadar
Nicole Iroz-Elardo , Arlie Adkins , Maia Ingram
Refugee issues have been brought to the forefront of political and public debate in recent years. Although historically the U.S. has resettled more refugees than any other country, the refugee admission cap has dropped to the lowest since the enactme ... Read More

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

How Essential is Essential Air Service? The Value of Airport Access for Remote Communities

Austin Drukker
Essential Air Service is a federal government program that provides subsidies to airlines that provide commercial service between certain remote communities and larger hubs, which proponents argue are justified because driving to larger airports woul ... Read More

Rural Gentrification and the Spillover Effect: Integrated Transportation, Housing, and Land Use Challenges and Strategies in Gateway Communities

Danya Rumore
Philip Stoker
Small towns and cities near national parks, public lands, and other natural amenities throughout the west are experiencing rapid growth and increased visitation. These “gateway communities” comprise a significant portion of the rural west, consti ... Read More

Assessing Cool Corridor Heat Resilience Strategies for Human-Scale Transportation

Ladd Keith
Nicole Iroz-Elardo , Kristina Currans
Road pavement is a known contributor to the urban heat island effect. Several vendors are providing engineered pavements coatings – known as “cool pavement” - to reflect light and therefore heat to reduce the thermal load of roads. The City of ... Read More

Sustaining Multimodal Choices: Examining Travel Behavior for Non-work Trips Beyond COVID-19

Yizhao Yang
Rebecca Lewis
Abstract Travel by sustainable modes such as public transit, biking, and walking provides positive outcomes for urban residents for the environment and health. Integrating these mode choices into regular travel trips has been challenging for many Am ... Read More

Toward Data and Solution-Focused Approaches to Support Homeless Populations on Public Transit

Anne Nordberg
Jaya Davis , Stephen Mattingly
No matter where you live, but especially if you live in a big city, you have likely seen people experiencing homelessness (PEH) using public transportation services. PEH use public transportation not only to get from place to place but also as shelte ... Read More
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