All Research Products

The National Center for Sustainable Transportation's primary output from research is reports and white papers. Many projects also produce a Project Brief to summarize and highlight the policy and/or research findings and implications. NCST research also produces journal articles, conference papers, books, dissertations, theses, presentations, and posters. The NCST has also created various tools that can be used by policymakers and practitioners, such as models, calculators, and planning tools.

EV Express Lane Excel Tool

Research Product Type
Model

This Excel tool allows users to assess the potential use of express lane discounts as a driver of ZEV adoption by testing the effectiveness of a range of discount scenarios, including scenario

Mobility Justice in Rural California: Examining Transportation Barriers and Adaptations in Carless Households

Research Product Type
Research Report
This report describes the scope and scale of car access in rural areas, identifies barriers that rural zero-car and car-deficit households face in their mobility and access, and proposes personal and policy-level adaptations that would help these households achieve their mobility and access needs using descriptive analysis from US census microdata and interviews with 22 residents of California’s Central Valley.

Developing Environmentally Friendly Solutions for On-Demand Food Delivery Service

Research Product Type
Research Report
This project proposes to improve vehicle utilization and energy efficiency by modeling and evaluating the innovative shared mobility services for freight, with a specific focus on on-demand food delivery. Overall, the shared mobility service has great potential to reduce freight transportation VMT cost and emission. With well-designed delivery policy, the on-demand food delivery can mitigate traffic in the urban city and bring a greener transportation system.

Dataset: Synthetic vehicle trajectory dataset for the metropolitan city of Los Angeles using DDTG

Research Product Type
Data
The analysis of trajectory datasets has numerous applications ranging from urban planning to human mobility understanding, but to protect the privacy of individuals trajectory datasets are rarely released to researchers. The team uses their proposed, and recently published at IEEE BigData 2022 conference, Data-Driven Trajectory Generator, dubbed DDTG, to generate a synthetic vehicle trajectory dataset in the metropolitan city of Los Angeles.

The Ridesharing Routing Problem with Flexible Pickup and Drop-off Points

Research Product Type
Research Report
This research project proposes three different solution approaches for solving the ride share routing problem with flexible pickup and drop-off points. Results show that the approaches are efficient, solving instances with up to 300 nodes within 130 CPU seconds. The methodologies in this study can help transportation planners design more efficient rideshare systems with less waiting, better passenger service, and less travel time.

From LOS to VMT: Repurposing Impact Fee Programs Since Adoption of SB 743

Research Product Type
White Paper
This white paper assesses how cities are modifying transportation impact fees in response to Senate Bill (SB) 743, adopted in 2013 to orient environmental review of transportation impacts of development projects and plans in California to support sustainable development.