41 Results

Subcontract: NCHRP 15-73 Design Options to Reduce Turning Motor Vehicle – Bicycle Conflicts at Controlled Intersections

Christopher Monsere
Sirisha Kothuri , Nathan McNeil
BACKGROUND One of the most common locations for fatal motor vehicle-bicyclist crashes is at intersections, which inherently have a large number of turning conflicts. Reducing these conflicts is a key objective in improving intersection safety acr ... Read More

Subcontract: NCHRP 15-74 Safety Evaluation of On-Street Bicycle Facility Design Features

Christopher Monsere
Sirisha Kothuri
https://apps.trb.org/cmsfeed/TRBNetProjectDisplay.asp?ProjectID=4763 BACKGROUND While non-separated on-street bicycle facilities have been used in the United States for many years, separated on-street bicycle facilities are becoming increasing ... Read More

Access to Opportunities: Redefining Planning Methods and Measures for Disadvantaged Populations

Arlie Adkins
Stephen Mattingly
This project will be made up of two separate studies that together will investigate areas where transportation planning and engineering can better serve disadvantaged and underserved communities. An interdisciplinary team of planning and public healt ... Read More

S.T.E.A.M. TRAINing: Engaging High School Girls in Transportation and Equity Issues through GIS

Randy Morris
Nancee Hunter
The Institute of Portland Metropolitan Studies’ Community Geography program wishes to apply for a grant to develop the curriculum for a 1-2 week lab course in transportation-focused mapping and Geographic Information Systems (GIS), to be held in th ... Read More

Road User Understanding of Bicycle Signal Faces on Traffic Signals

Christopher Monsere
Sirisha Kothuri
Bicycling is increasing in the United States – the number of trips made by bicycle more than doubled from 1.7 billion trips in 2001 to 4 billion in 2009 (NHTS, 2009). With the increase in bicycling rates, there is a critical need for cycling infras ... Read More

Revisiting TODs: How Subsequent Development Affects the Travel Behavior of Residents in Existing Transit-Oriented Developments

Nathan McNeil
Jennifer Dill
Since 2000, Metro, the regional government in Portland, OR, has invested public funds in development projects through their TOD program. The agency generally provides between $300,000 and $500,000 in situations wherein the additional funding can help ... Read More

Effects of Earthquake-Induced Liquefaction on Bridge Foundations and Transportation Network Using CDSS

Arash Khosravifar
A magnitude 9.0 earthquake by the Cascadia Subduction Zone (CSZ) is believed to be capable of causing widespread soil liquefaction in the Pacific Northwest (PACNW). Affected infrastructures include highway bridges specifically the ones crossing the C ... Read More

Bicycle Planning GIS Tool

Joseph Broach
Although currently only about one percent of US trips are done by bicycle, there is significant geographic variation. Differences across communities, along with much higher cycling rates observed in other places around the world, indicates large pote ... Read More

Evaluating Effects of Earthquake-Induced Liquefaction on Bridge Foundations and Transportation Network Using CDSS

Arash Khosravifar
Cascadia Subduction Zone (CSZ) is expected to produce a Magnitude 9 earthquake that can adversely affect the transportation networks in the Pacific Northwest (PACNW). This includes highway bridges specifically the ones crossing the Columbia and Willa ... Read More

Bridge Seismic Retrofit Feasibility Case Study Utilizing Ductile Fuses

Peter Dusicka
In an effort to increase the seismic resiliency of our transportation network, a performance centric retrofit measure has been developed as part of State funded research and evaluated through to large scale laboratory setting. With an eye toward impl ... Read More

Affordable Housing Trip Generation Strategies and Rates

Kelly Clifton
Kristina Currans , Susan Handy , Robert Schneider
Assessment and mitigation of transportation impacts based on travel demand is required by state, federal, and local laws in California. Determining trip generation is typically the first step in preparing these transportation impact analyses, and cur ... Read More

Understanding the Economic Impacts of Urban Greenway Infrastructure

Jenny Liu
“City Greenways” is a concept proposed as a part of Portland’s 2035 Comprehensive Plan, which calls for a citywide network of park-like pedestrian and bicycle friendly streets crisscrossing the city at roughly three-mile intervals. This researc ... Read More
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