Dissertation Grant | National Center for Sustainable Transportation

Development of Predictive Performance Models and Calibration of Mechanistic Empirical Design Method for Optimized Transportation Infrastructure Management, Considering Life-Cycle Costs and Environmental Impacts

Principal Investigator Ashkan Saboori
University of California, Davis

This project develops models to evaluate pavement quality and performance.

Project Status

Complete

Effects of High Early Strength Concrete Thermal Contraction, Shrinkage and Creep on Pavement Performance

Principal Investigator Julio Paniagua
University of California, Davis

This research is focused on the development of recommendations and guidance on the use of thin bonded concrete overlay of asphalt (BCOA) as a rehabilitation alternative for California based on the

Project Status

Complete

Empirical assessment of land use and other policy impacts on freight facility location choices in California

Principal Investigator Maria Catalina Valencia-Cardenas
University of California, Davis

This project develops an integrated framework to evaluate how land-use, transportation, and economic development policies influence the location of freight facilities in California, and how these patterns relate to economic and social outcomes.

Project Status

In Progress

Energy and Environmental Impacts of Atlanta’s Reversible Express Toll Lanes: A Synthetic Control Analysis

Principal Investigator Tian Xia
Georgia Institute of Technology

The Georgia Tech team will analyze the counterfactual scenario after the opening of reversible toll lanes on the I-75/I-575 Northwest Corridor of Atlanta, GA, in order to assess the energy and emis

Project Status

Complete

Enhanced Accounting for Item Cost Variability in AASHTOWare Project Software

Principal Investigator William Reichard
Georgia Institute of Technology

This research proposes to use bootstrap analysis to derive confidence intervals for each item in the AASHTOWare database.

Project Status

Complete

Environmental Impact Assessment of End-of-Life Strategies for Flexible Pavements and Development of a Decision Making Tool for Managing Local Roads

Principal Investigator Arash Saboori
University of California, Davis

This research aims to quantify environmental impacts of transportation, with special focus on local roads maintenance and improvement.

Project Status

Complete

Environmental Policies from Ambition to Action: A Multi-aspect Policy Evaluation of SB 743 and Its Impact on Land Use and Transportation Network

Principal Investigator Reyhane Hosseinzade
University of California, Davis

This three-chapter dissertation will study the reasons behind the decisions of local jurisdictions, including cities and counties, about VMT reduction levels in their environmental reviews and how local planners view equity in the process of implementing VMT-reducing strategies in the CEQA process.

Project Status

In Progress

Equity in the Path to Full Light-Duty Vehicle Electrification

Principal Investigator Trisha Ramadoss
University of California, Davis

This dissertation will develop a representative synthetic population of California including household and vehicle variables crucial to modeling electric vehicle (EV) adoption and equity.

Project Status

In Progress

Estimation of Program Effects from Cross-Sectional Observational Surveys – Case Studies of the Effect on Travel Behavior of the Adoption of (i) Future Mobility Options like Carsharing, and (ii) Telecommuting

Principal Investigator Gouri Shankar Mishra
University of California, Davis

This dissertation uses publicly available travel surveys to estimate how new trends in shared mobility services and telecommuting impact travel behavior.

Project Status

Complete

Evaluating Behavioral Responses to Mobility Credits and Ridehailing Integration in a Digital Mobility System

Principal Investigator Yunwan Zhang, M.S.
University of California, Davis

This project analyzes user behavior on Vamos-EZHub, a public digital mobility platform that integrates trip planning, fare payment, and access to services including local transit and ridehailing.

Project Status

In Progress