News Tagged: Research

PSU student team finds transit solutions for Salem-Keizer

Posted on June 16, 2014

Portland State University students in the Master of Urban and Regional Planning (MURP) program came up with some innovative transit solutions for the Salem-Keizer area, just south of Portland, Ore. in the Willamette Valley.

The Salem-Keizer transit provider, known as Cherriots, requested that a planning group come up with alternative forms of transit that would be a better fit for the study area. MURP students Darwin Moosavi, Brenda Martin, CJ Doxsee, Mike Sellinger, Lauren Wirtis and Matt Berggren took on the challenge as their capstone project.

The bus service currently provided by Salem-Keizer Transit is inefficient in the low-density neighborhoods of West Salem, South Salem, and Keizer. Buses in those neighborhoods often run half-full, or nearly empty, along looping, circuitous roads that lack an interconnected grid pattern.

The student team, Paradigm Planning, proposed a “flexible transit” system which can better serve this type of low-density suburban area.

Case studies explore TOD and social equity

Posted on June 9, 2014

Historically, large-scale transportation infrastructure projects have had devastating outcomes in communities of color. With twentieth-century urban renewal efforts often came the displacement of underprivileged communities, the loss of low-income neighborhoods and their replacement with affluent housing and freeways.

According to new OTREC research from the University of Oregon, transit-oriented development, or TOD, can offer a different trajectory. Rather than displacing residents, TOD has the potential to improve neighborhoods for the benefit of those who live there.

OTREC researcher Gerardo Sandoval grew up near MacArthur park, one of the two sites studied, and has witnessed firsthand the neighborhood’s dramatic change. “I think the coolest thing about MacArthur Park is that now it’s considered a national model for TOD. When I was growing up there … nobody saw it like that. It was thought of more as a low-income area,” Sandoval said.

The project examined two California neighborhoods: MacArthur Park, in Los Angeles, and Fruitvale, in Oakland. In both neighborhoods, the majority of residents are recent immigrants from Mexico and Central America, many of whom have significantly lower incomes and rely heavily on public transportation.

In the last few decades, both sites have seen TOD coincide with neighborhood revitalization, and gained national and international attention. The secretary of the United States Department of Housing and Urban Development, Shaun Donovan, referred to the MacArthur park TOD as a “model that the rest of the country should be looking to” after touring it in 2013.

A TOD is a high-density mixed-use residential and commercial area built around a transit stop or station. TODs are designed so that those who live and work within a quarter to a half mile of the transit stop have easy access to public transit.

Study examines racial bias at crosswalks

Posted on May 20, 2014

In a pilot study funded by the NITC Small Starts program, researchers explored whether drivers behave differently toward pedestrians waiting to use a crosswalk based on the pedestrian’s race. The study – the first examining the effects of race on pedestrian crossing experiences – found that black pedestrians were passed by twice as many cars and waited nearly a third longer to cross than white pedestrians.

Minorities are disproportionately represented among pedestrian fatalities in the United States. The Center for Disease Control reported in 2013 that in the first decade of this century, the fatality rates for black and Hispanic men were twice as high as they were for white men.

Researchers Kimberly Barsamian Kahn and Tara Goddard of Portland State University, and Arlie Adkins, of the University of Arizona, hypothesized that if minority pedestrians experience more delay at crosswalks, they might take greater risks when crossing – risks that could contribute to the disparate fatality rates.

PSU student team takes 2nd in Cornell Cup with traffic safety device

Posted on May 13, 2014

A team of students from Portland State University took second place this week in the Cornell Cup USA, with a traffic hazard predictor called SAFE.

SAFE, or Situational Awareness Fault‐Finder Extension, is an intelligent device that could be used with bicycles, motorcycles, or automobiles, though it was created with the safety of two-wheeled travelers in mind.

The device is designed to enhance a vehicle operator's situational awareness. It tracks the movement of vehicles behind the user, monitoring their position, velocity, and acceleration.

Click here to see the SAFE team's poster.

Research explores impacts of electric vehicle charging

Posted on May 5, 2014

With the emergence of electric vehicles (EVs) as an environmentally friendly alternative to the internal combustion engine, OTREC researcher Robert Bass decided to investigate some of the uncharted effects of their growing prevalence.

Bass is interested in measuring and understanding the impacts that electric vehicle charging stations have on their cities’ power distribution systems.

Electric Avenue, located on the Portland State University campus where Bass is an associate professor, is the perfect research opportunity: a row of EV charging stations along Southwest Montgomery Street, between Broadway and Sixth Avenue in downtown Portland, Ore.

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21 Entries Tagged

PSU student team finds transit solutions for Salem-Keizer

Case studies explore TOD and social equity

Study examines racial bias at crosswalks

PSU student team takes 2nd in Cornell Cup with traffic safety device

Research explores impacts of electric vehicle charging

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