News Tagged: Research

NITC researchers release Complete Streets design guide

Posted on October 6, 2014

NITC researchers have created a design manual to aid traffic engineers, transportation planners, elected officials, businesses and community stakeholders in re-envisioning their streets.

Traditionally, road design in the U.S. has been based on the simple principle of moving as many cars as possible.

The Complete Streets movement, a new way of approaching street design, is gaining ground as planners and engineers work to build road networks that are safer, more livable and can accomodate all modes of transportation.

The philosophy behind Complete Streets is that a street, in addition to being a means of reaching destinations, is also a "place" in its own right and should feel comfortable and welcoming for pedestrians and bicyclists.

To inform and encourage Complete Street redesigns, principal investigator Marc Schlossberg and co-investigator John Rowell, of the University of Oregon, put together an evidence-based design guide featuring 25 Complete Streets from around the country.

E-Bike laws create widely differing situations for users

Posted on August 28, 2014

In 2009, researchers at the Massachusetts Institute of Technology (MIT) developed the Copenhagen Wheel, a device that converts an ordinary bicycle into a hybrid e-bike.

An e-bike is considered a motorized bicycle under Massachusetts law. This means that once the 13-pound, 26-inch Copenhagen Wheel is attached to the rear wheel of a bicycle, the resulting vehicle requires a driver’s license to operate, must be registered with the DMV, and its rider must wear, not just a bike helmet, but a motorcycle helmet to be in compliance with the law.

Electric bicycles, or e-bikes, are well established in China and other Asian and European countries but market adoption has been slow in the United States.

Part of the reason could be that the law is often nebulous where e-bikes are concerned.

NITC researchers at Portland State University conducted a policy review revealing the current state of legislation regarding e-bikes in the United States and Canada.

Research finds medians make driveways safer

Posted on August 17, 2014

An OTREC report from Oregon State University looked at various center median and bicycle lane configurations, and how they affect traffic at road access points.

In the American Association of State Highway and Transportation Officials (AASHTO) publication A Policy on Geometric Design of Highways and Streets, commonly known as the Green Book, access points include the intersections of public roads as well as driveway locations. In the Green Book, most of the supporting research for the spacing of driveways is based on standard highway design procedures. They include simple human factors and geometric principles, and have not been thoroughly evaluated based on a variety of road cross section configurations.

Principal investigator Karen Dixon of Oregon State University sought to close this research gap by evaluating the influences of select cross-sectional-related design elements, specifically median configurations and bicycle lanes, on driveways.

OTREC research examines ways to anonymize location data

Posted on August 13, 2014

A new OTREC report explores an innovative technique for making household travel data more widely available without compromising individual privacy.

Public agencies spend vast amounts of money collecting information in household travel surveys.

In the report, Wider Dissemination of Household Travel Survey Data Using Geographical Perturbation Methods, lead investigator Kelly Clifton of Portland State University examines ways to make that information more accessible by planners and other professionals.

Survey respondents are guaranteed anonymity in exchange for their participation. In addition to asking which modes individuals use to get around, surveys learn where they live, where they work, their household sizes and demographic information.

Detailed geospatial referencing of the home, work and other travel destinations is common practice.

Such data can be of enormous use to planning professionals, but its dissemination must be balanced with the need to keep locations confidential.

Portland State University students enhance Tigard’s walkability

Posted on June 30, 2014

Several notable transportation projects have come out of Portland State University’s Master of Urban and Regional Planning (MURP) program this spring.

Each year, graduating students finish up their two-year program of study by forming into groups and carrying out a professional project. Clients work with Portland State University to identify planning needs that would be a good fit for the MURP program, and students choose projects based on their interests.

The Paradigm Planning team made news with their re-imagining of the Salem-Keizer transit system, and InSite Planning Group with their Beaverton corridor study.

The city of Tigard engaged StepUP Studio, another MURP team, to craft a pedestrian plan.

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23 Entries Tagged

NITC researchers release Complete Streets design guide

E-Bike laws create widely differing situations for users

Research finds medians make driveways safer

OTREC research examines ways to anonymize location data

Portland State University students enhance Tigard’s walkability

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