Transportation Commons^™

Extreme Heat And Its Impact On Public Transit Ridership In Nyc, Craig Denton

Theses and Dissertations

This thesis explores the connection between extreme heat events and public transit ridership patterns in New York City, with a particular emphasis on low-income communities. It investigates the intersection of socioeconomic factors and heat-related challenges, analyzing how extreme temperature periods influence overall transit use and why certain routes or neighborhoods experience greater declines in ridership during these events.

Utilizing existing literature, NYC-specific transit and climate datasets, and the broader context of transit equity, this research aims to inform strategies that strengthen climate resilience within urban transportation systems. The study’s findings are intended to support policy development and planning initiatives that …

The Introduction Of High-Speed Rail And Its Impact On Mode Choice The Case Of Morocco’S Al Boraq, Michael Stewart

Theses and Dissertations

Morocco's Al Boraq, Africa's first high-speed rail line, reshaped mode choice along the Casablanca-Tangier corridor. Drawing on ONCF ridership data, 234 rider surveys, and nine months of fieldwork, this ex-post assessment finds accelerated passenger growth, substantial induced demand, and mode shift from automobiles, informing Global South HSR development.

Shaping Egypt’S Transition To Sustainable Electric Transport: Current Policies And Future Directions, Noha A. Ragab

Theses and Dissertations

Egypt has enacted policies to promote the adoption of electric vehicles (EVs) in order to reduce their overall carbon footprint. However, the pace of transition remains limited, so the research aims to answer the following question: “How do current policies shape Egypt’s transition towards sustainable electric transport, and what additional measures can support this transition?" The study employs a qualitative analysis methodology, based on diffusion of innovation theory and conceptual framework, to analyze current policies in Egypt and identify challenges and gaps in their implementation. It also analyzes responses from 23 interviews with experts in the field, manufacturers, dealers, EV …

Exploring The Effect Of Nanomodifiers On The Self-Healing Property Of Asphalt Binders, Debzani Mitra

Theses and Dissertations

This study aimed to investigate the influence of nanomodifiers on the self-healing of asphalt binder. Two base asphalt binders, PG 58-28, and PG 64-22 were modified with nanoalumina, nanoclay, and nanosilica at 1%, 3%, and 4% dosages by weight of binder. After performance grading and storage stability tests, Fourier Transform Infrared Spectroscopy (FTIR) assessed changes in unaged and short-term oxidized binders. Additionally, thermodynamic properties i.e., Surface Free Energy (SFE), of nanomodified binders were assessed via the sessile drop method. Finally, this study conducted healing characterization using the Modified Time Sweep and Linear Amplitude Sweep Healing tests. Moreover, this study looked …

Identifying Mobility Hub Suitability In The Mid-Sized United States Urban Area Using Weighted Overlay And Percentile Based Local Peak Analysis, Eric Asplund

Theses and Dissertations

IDENTIFYING MOBILITY HUB SUITABILITY IN THE MID-SIZED UNITED STATES URBAN AREA USING WEIGHTED OVERLAY AND PERCENTILE‑BASED LOCAL PEAK ANALYSIS

By Eric Asplund

A thesis submitted in partial fulfillment of the requirements for the degree of Master of Urban and Regional Planning at Virginia Commonwealth University.

Virginia Commonwealth University, 2026.

Major Director: Dr. Ivan Suen, Ph. D., Associate Professor, Faculty of Urban and Regional Studies and Planning

Shared mobility hubs are increasingly posited in transportation planning as interventions supporting multimodality, sustainability, and equitable access, but guidance on evaluation of potential hub locations remains uneven, particularly in mid-sized United States cities where …

Follow The Cyclists: Everyday Navigation Of Richmond's Bike Infrastructure, Emily E. Schreer

Theses and Dissertations

This thesis explores the embodied experience of cycling in Richmond, emphasizing the importance of centering firsthand, lived experience in cycling research and urban planning. While traditional transportation planning can often myopically prioritize efficiency and safety metrics to evaluate infrastructure, this project argues that such approaches overlook essential experiential, sensory, and emotional dimensions of cycling that determine how infrastructure is perceived, used, and ultimately succeeds or fails.

Through an ethnographic approach combining field observation of cyclist behavior and mental mapping sessions with Richmond cyclists, this study positions people who bike in Richmond as expert knowledge holders. Participant contributions, combined with observations …

Developing Indicators For Comprehensive Evaluation Of Equity In Transportation Systems, Ruqaya Emad Alfaris

Theses and Dissertations

Achieving transportation equity is essential for social inclusion, access to opportunities, and reducing disparities. However, traditional evaluation methods are often fragmented and fail to capture equity’s multidimensional nature. This dissertation develops a comprehensive framework for creating indicators to evaluate transportation equity effectively. It begins with a literature review to comprehend the theoretical background, followed by expert interviews highlight gaps in current evaluation practices. Statistical modeling and machine learning analysis was conducted to first explore indicators’ impact on transportation equity, and then investigate transportation safety disparities in underserved communities. Findings from literature review, interview with professionals, and analysis results are used …

The Benefits And Pitfalls Of Public Private Partnerships: Case Study Of The Suez Canal Container Terminal, Egypt, Magda Elswesy

Theses and Dissertations

The study explores the public-private partnerships (PPPs) in constructing, managing, and operating container terminals in Egypt. It examines the benefits the public sector gains from such collaborations and the pitfalls that can be mitigated to foster more effective institutional cooperation. The study specifically focuses on enhancing Egypt's marine container terminals through these partnerships, emphasizing the potential use of growing technology to enable equipment automation. It also highlights concerns regarding the risk of mismanagement of Egyptian terminals, arising from insufficient expected volume to ensure appropriate profitability, especially with the opening of new terminals. The study adopts a qualitative methodology and presents …

A Comprehensive Ml And Ai Framework For Intersection Safety: Assessing Contributing Factors, Surrogate Safety Measures, Non-Compliance Behaviors, And Cost-Inclusive Methodology, Deep Patel

Theses and Dissertations

Intersection safety, particularly in traffic management, has emerged as a pressing concern due to its substantial contribution to road crashes and fatalities. In recent years, understanding road users' behavior and conflicts at intersections has become essential for evaluating traffic safety. According to the Federal Highway Administration (FHWA), in 2020, over 50% of fatal and injury crashes occurred at or near intersections, necessitating further investigation. This study addresses this issue through an innovative blend of comprehensive literature review, advanced machine learning algorithms, artificial intelligence (AI) technologies, surrogate safety measures (SSMs), non-compliance behavior, and emphasizing the economic aspects of traffic incidents. First, …

A Novel Approach To Evaluate Seatbelt Non-Compliance Of Drivers In New Jersey, Md Arifuzzaman Nayeem

Theses and Dissertations

This study intends to investigate the non-compliant behavior of drivers with seatbelt use in New Jersey. By examining various factors such as temporal and roadway characteristics, this study seeks to identify the underlying causes of this seatbelt non-compliance behavior. To overcome the limitations of traditional methods like cross-sectional data collection, a novel approach known as moving vehicle method was employed. To gain further insights, hypothesis tests were performed across the entire dataset to pinpoint significant temporal, roadway, and geometric factors contributing to non-compliant behaviors. In the subsequent step, the association of other risky behaviors like speeding and distracted driving with …

The Impact Of Select Buses On Taxi Ridership In Nyc, Sara Ahmed

Theses and Dissertations

The objective of this research is to measure the impact of select buses on taxi ridership in NYC. Due to the phased implementation of select buses in NYC, a difference-in-differences model was used. Taxi ridership on the M14A/M14D, M34, M79, and M15 bus routes was examined as the treatment group. The control group is the M100/M101 non-select bus route that runs along Lexington and Amsterdam Avenue. The results from this model show that the M14A/M14D, M34, and M79 select buses had a negative statistically significant impact on taxi ridership. The M15 select bus had a positive statistically insignificant impact on …

The Effect Of Citi Bike Introduction On Injury Rates In New York City, Masakazu Hiruma

Theses and Dissertations

This paper tests the hypothesis that the introduction of Citi Bike influences bicycle injuries by observing the gradual expansion of the bike share system in NYC. Data is analyzed from 2012-2018 New York Police Department (NYPD) Motor Vehicle Collisions and Citi Bike Station Feeds (NYC Open Data).

Transit Access Equity In Richmond, Va, Rachel Jordan

Theses and Dissertations

The purpose of this thesis is to analyze the extent of public transit access equity issues in Richmond, VA. The City of Richmond has an established public transportation network system, and the thesis explores the level of access for urban residents to use existing public transportation services. Technologies and programs have begun to emerge across the United States to help solve transit accessibility challenges. The thesis assesses the level of transit access equity that exists in Richmond and introduces technologies and services that could help improve accessibility and equity. The thesis uses a mixed methods approach that will consist of …

The Cost Of Jaywalking On Traffic Congestion In An Intersection In Greater Cairo: A Case Study, Hussein Gawdat

Theses and Dissertations

There have been many studies focusing on different types of traffic delays, pedestrians’ interaction at signalized intersections and economic losses as a result of these delays. However, there is a huge gap in the current literature, regionally and globally, in studying the traffic delays associated with jaywalking. In Egypt, jaywalking is considered a common phenomenon, however, population increased drastically over the past decades in Greater Cairo leading to more congested streets. This research provides a case study that investigates the economic effect of jaywalking on traffic flow in Mashaal, a sample location in Greater Cairo, due to traffic congestion. The …

Model Selection Analysis Of Depot Level Reparable Asset Retrograde Shipments Within The Continental United States, Michael P. Kossow

Theses and Dissertations

Transportation modal choice for the Air Force retrograde movement of reparable assets within the CONUS is inflexible and is not synchronized with the depot repair process. Additionally, transportation coordinators are compelled by unsynchronized priorities and shipping policies to use express air modes in all cases when the use of LTL modes may be available to meet actual service level requirements at a lower cost, There may be cases where the retrograde shipments of reparable assets via an alternative transportation mode, such as LTL, can still meet fast transportation requirements at an even lower cost than can premium transportation. Historical retrograde …

A Correlation Study Of Second Destination Transportation Funding And Vehicle Movement, Stephen D. Wier

Theses and Dissertations

HQ AFMC has consistently experienced problems with the Second Destination Transportation budget being under funded. This under funding causes the command to implement control actions on how funds are allocated to ensure that enough funds are available. This research effort was intended to show the relationship between spending restrictions and how vehicles move between theaters. By identifying whether or not and how the control actions on Second Destination Transportation funding affects inter-theater vehicle movement capabilities, this research seeks to assist those decision makers in making fully informed decisions when allocating scare fiscal resources. The results of this research indicate that …

The Commercialization Of Space Transportation: Exploring The Impact Of The National Space Transportation Policy, Thomas L. Johnson

Theses and Dissertations

The 1994 National Space Transportation Policy designates the roles of the DoD, NASA and the Departments of Transportation and Commerce to identify and promote innovative types of arrangements between the U.S. government and the private sector in order to reduce the cost to access space. DoD, civil and commercial industry leaders agree that the price to access space is currently exorbitantly expensive. The solution to this expense, which the United States Government is relying upon, is the commercialization of space transportation technology. This research focuses on investigating the industry and policy commercialization trends which led to the 1994 NSTP, and …

Feasibility And Cost Analysis Of Private Aircraft Transportation For The University Of North Dakota, John D. Odegard

Theses and Dissertations

The purpose of this study is to determine the feasibility of private aircraft transportation for the University of North Dakota and analyze the costs involved.

Safety of private aircraft transportation is discussed with emphasis on the added safety of flying in North Dakota. This additional safety factor is attributed to the low terrain, numerous airports and suitable flying weather in North Dakota.

Economic justification is determined by comparing total operating costs, which include aircraft operating costs, depreciation and "value per man hour", to transportation costs incurred while traveling by commercial airlines or by University Motor Pool automobile. Value per man …