Statistical Inference for Multimodal Travel Time Reliability

Avinash Unnikrishnan
Miguel Figliozzi , Subhash Kochar
Travel time reliability is a key metric of interest to practitioners and researchers. There are several metrics available for travel time reliability - buffer index, planning index, probability of travel time being higher than a specific value, etc. ... Read More

Accessing Opportunities for Household Provisioning Post-COVID-19

Kelly Clifton
Kristina Currans , Amanda Howell
The acquisition of food and household necessities has been dramatically impacted by the COVID-19 pandemic as people are asked to minimize travel to avoid exposure, supply chains are disrupted, transit services are reduced, and stores and restaurants ... Read More

Integrate Socioeconomic Vulnerability for Resilient Transportation Infrastructure Planning

Liming Wang
John MacArthur , Yu Xiao
The objective of this proposal is to develop a new methodology that incorporates community socioeconomic vulnerability in the evaluation of transportation infrastructure vulnerabilities for cities and regions facing multi-hazards such as the Portland ... Read More

Pedestrian Behavior Study to Advance Pedestrian Safety in Smart Transportation Systems Using Innovative LIDAR Sensors

Taylor Li
Sirisha Kothuri , Xianfeng Yang
Pedestrian safety is critical to improving walkability. Although walking trips have increased in the last decade, pedestrian safety remains a top concern. In 2018, 6,283 pedestrians were killed in traffic crashes representing the most deaths since 19 ... Read More

Marginalized Populations’ Access to Transit: Journeys from Home and Work to Transit

Marisa Zapata
Ivis Garcia , Amy Lubitow , Miriam Abelson
Research demonstrates that marginalized populations experience significant barriers in accessing transit. Much research related to marginalized populations focuses on fares, costs, and locations to utilizing transit. More recent studies look at how t ... Read More

Real-Time Stochastic Matching Models for Freight Electronic Marketplace

Avinash Unnikrishnan
This grant from the National Science Foundation (NSF) will support research investigating how a real-time marketplace might be constructed to match freight shipments with available carriers. In such a system, freight shippers make a request to the sy ... Read More

Evaluation of Road User Comprehension and Compliance with Red Colored Transit Priority Lanes

Christopher Monsere
Jennifer Dill , Nathan McNeil
As part of the City of Portland Enhanced Transit Corridors Plan, the Portland Bureau of Transportation (PBOT) is working with TriMet and Jacobs Engineering to evaluate the impact of red colored transit priority lanes at key locations in and around do ... Read More

NSF SCC RAPID: Consumer Responses to Household Provisioning During COVID-19 Crisis and Recovery

Kelly Clifton
Rebecca Lewis
Early evidence suggests that the COVID-19 crisis is accelerating the rate of adoption of e-commerce with more people ordering online and using delivery services to meet their needs. The embrace of e-commerce and delivery during the crisis and recover ... Read More

Research Roadmap for the AASHTO Council on Active Transportation (NCHRP 20-123(02))

Jennifer Dill
Chris Monsere , Nathan McNeil
The objective of this project is to develop a research roadmap that can be used by the AASHTO Council on Active Transportation to focus its efforts to foster, support, monitor, disseminate, and implement research on active transportation. The roadmap ... Read More

Connected Streetcar Project

Kristin Tufte
Larry Head , John MacArthur
This project will create a foundation for deploying connected vehicle infrastructure and facilitating connected vehicle research for the NITC UTC. Connected Vehicle (CV) technology and the associated data has the potential to help us better understan ... Read More

NSF Collaborative Research: RAPID: Maintain Mobility and Reduce Infection Through a Resilient Transit and Micromobility System

John MacArthur
The COVID-19 pandemic has caused unprecedented disruptions to health, the economy, and transportation systems in cities. The key strategy to combat growth in the infection rate is through "social distancing," maintaining physical separation from othe ... Read More

Exploring Data Fusion Techniques to Derive Bicycle Volumes on a Network

Sirisha Kothuri
Joseph Broach , Nathan McNeil , Kate Hyun , Stephen Mattingly
Planners and decision makers have increasingly voiced a need for network-wide estimates of bicycling activity. Such volume estimates have for decades informed motorized planning and analysis but have only recently become feasible for non-motorized tr ... Read More
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