Projects

Evaluating the Effectiveness of “Smart Pedal” Systems for Vehicle Fleets

• Principal Investigator George Scora
• University of California, Riverside

The research team will utilize the before/after “Smart Pedal” data to conduct a cost/benefit analysis of the top 2% of Caltrans Fleet vehicles which would benefit from “Smart Pedal” technology installation.

Project Status

Complete

Evaluating Transit Use in the Post-Pandemic Era

• Principal Investigator Parsa Pezeshknejad
• University of Vermont

This project will evaluate the reasons that public transit riders return (or do not return) to transit in the wake of the Covid-19 pandemic.

Project Status

In Progress

Evaluating Equity and Effectiveness in Vermont’s Electric Vehicle Purchase Incentive Programs

• Principal Investigator Parker King
• University of Vermont

This project will evaluate the effectiveness and equity of electric vehicle (EV) incentive programs in Vermont.

Project Status

In Progress

Electric Vehicle Assessment and Leveraging of Unified models toward AbatemenT of Emissions (EVALUATE)

• Principal Investigator Richard Simmons, Ph.D.
• Georgia Institute of Technology

This research will explore vehicle-grid interactions with a focus on environmental benefits for future scenarios in which electric vehicles reach substantial market share.

Project Status

In Progress

MOVES Matrix 3.0 for High-Performance On-Road Energy and Emission Rate Modeling Applications of MOVES 3

• Principal Investigator Randall Guensler, Ph.D.
• Georgia Institute of Technology

This study will develop MOVES-Matrix 3.0, a high-performance emission modeling system that uses emission rates pre-generated by iterating across all combinations of model input variables for 146,853 MOVES 3 model runs per region.

Project Status

Complete

Integrating Transit Paths and Transit Occupancy Data into Activity-Based Travel Demand Model Outputs to Support Sustainability Analysis across Modes

• Principal Investigator Randall Guensler, Ph.D.
• Georgia Institute of Technology

The research team will develop Python code to integrate TransitSim shortest transit path predictions for every origin-destination pair and departure time into regional activity-based travel demand model (ABM) outputs.

Project Status

Complete

Lane-Level Localization and Map Matching for Advanced Connected and Automated Vehicle (CAV) Applications

• Principal Investigator Jay Farrell, Ph.D.
• University of California, Riverside

This project will investigate and demonstrate the utility of lane-level localization accuracy and map-matching in a selected CAV application

Project Status

Complete

Revisiting the Efficacy of Liquified Natural Gas / Compressed Natural Gas Fueled Transportation in Transition to Zero-Emission Mobility

• Principal Investigator Francesca Hopkins, Ph.D.
• University of California, Riverside

The focus of this study will be on modeling of the ISO tanks evaporative losses, holding times, and the amount of methane released from the tanks pressure relief/safety valves when the holding time is passed.

Project Status

In Progress

Improving Environmental Sustainability of Freight Transportation through Shared Mobility Services

• Principal Investigator Peng Hao, Ph.D.
• University of California, Riverside

This research aims to improve freight vehicle utilization and energy efficiency (productive ton-miles per unit of energy) by modeling and evaluating the innovative shared mobility services for freight

Project Status

Complete

Integrated Modelling Program and TCO Calculator for Battery-Electric Medium- and Heavy-Duty Truck Deployment in Regional Freight Use-Cases

• Principal Investigator Caleb Weed
• Georgia Institute of Technology

This study identifies heavily-trafficked freight truck routes of optimal distances in Georgia and quantifies electrification benefits for fleets operating on these corridors by integrating outputs from MOVES Matrix, the Argonne National Laboratory’s GREET Model, the Georgia Tech Fuel and Emissions Calculator (FEC), and other models into a web-based tool.

Project Status

In Progress

Using Multi-Modal Path-Specific Transit Trips in Transportation Social Sustainability Analysis: Case Study in Atlanta, GA

• Principal Investigator Huiying Fan
• Georgia Institute of Technology

This study will extend Georgia Tech’s previous efforts in the application of regional travel demand model path retention algorithms, the regional TransitSim shortest transit path simulator, to social sustainability analysis.

Project Status

In Progress

HEV, PHEV and BEV Owners: A Comparative Analysis of Household Demographics, Travel Behavior, and Energy Use

• Principal Investigator Ziyi Dai
• Georgia Institute of Technology

This research examines the differentiation between HEV, PHEV and BEV users in Puget Sound Regional Council regarding the aspects of user household socio-demographic attributes, daily travel pattern and energy usage profile.

Project Status

Complete

Caltrans Sustainable Freight Academy

• Principal Investigator Thomas O'Brien, Ph.D.
• California State University Long Beach

This project will involve the design and implement two four-day in-person Sustainable Freight Academies for Caltrans during calendar year 2021.

Project Status

Complete

Online Training for the Transit Industry

• Principal Investigator Thomas O'Brien, Ph.D.
• California State University Long Beach

In partnership with the Southern California Regional Transit Training Consortium (SCRTTC, a consortium of Southern California-based community colleges and transit operators), CSULB expanded potenti

Project Status

Complete

Freight and Environmental Policy Case Studies & Videos

• Principal Investigator Thomas O'Brien, Ph.D.
• California State University Long Beach

In this project, CSULB will develop a series of case studies designed to evaluate the impacts of freight-related environmental policies. The team will then produce brief videos to accompany the case studies research, in order to reach a wider audience.

Project Status

Complete

Transit Workforce Development White Paper - Workforce Implications of Transitioning to Zero Emission Pubic Transit

• Principal Investigator Tyler Reeb, Ph.D.
• California State University Long Beach

This project will result in a white paper that presents the workforce challenges faced by transit agencies as they transition their fleets to zero emission vehicle technologies, and will suggest training strategies to help bridge these challenges.

Project Status

Complete

Simulating Bike-Transit Trips Through BikewaySim and TransitSim

• Principal Investigator Kari E. Watkins, Ph.D.
• Georgia Institute of Technology

This research project links Georgia Tech’s newest shortest path calculator, BikewaySim, with the finished shortest path calculator for public transportation, TransitSim.

Project Status

Complete

Synthetic Fleet Generation and Vehicle Assignment to Synthetic Households for Regional and Sub-regional Sustainability Analysis

• Principal Investigator Randall Guensler, Ph.D.
• Georgia Institute of Technology

This research will develop a framework to combine several data sources (licensed household marketing demographics data, vehicle registration data, and license plate observation data) to generate sub-region synthetic fleets.

Project Status

In Progress

Survey of Northwest Corridor Express Lane Users and Non-Users to Assess Factors Influencing Observed Behavioral Change (Pre-Pandemic Increase in Freeway Corridor Vehicle Activity)

• Principal Investigator Randall Guensler, Ph.D.
• Georgia Institute of Technology

This research will implement a commuter survey targeting at NWC Express Lane users and non-users to identify factors influencing observed travel behavioral changes, which includes shifts in commute travel routes and changes in shared ride activities.

Project Status

Complete