Freight transportation makes up a substantial portion of the daily vehicle miles traveled (VMT) in the Portland metropolitan area and is vital for the region’s economic vitality. Further, truck movements on the Portland area freeway system are impacted heavily by congestion and in turn have a major… Read More

Christopher Monsere and Karen Dixon provided training at Oregon State University for the ODOT Safety Investigation Manual (TREC project 555). The objective of this manual is to provide a resource to assist ODOT traffic investigators with highway safety project screening and evaluations. Though the… Read More

The Sydney Coordinated Adaptive Traffic System (SCATS) is used to mitigate traffic congestion along urban arterial corridors. Although there has been research on SCATS’ performance, this report combines three different areas of research about SCATS that are not known to be represented in any… Read More

Two innovative bicycle facilities installed in late summer and early fall 2009 in downtown Portland by the City of Portland Bureau of Transportation (PBOT) were evaluated to understand how they are functioning on multiple levels. All of these facilities involved removing a motor vehicle lane by… Read More

Final report available at: http://www.oregon.gov/odot/td/tp_res/docs/reports/2012/sr_500_490.pdf Replacement of the steel grating deck on the lift span of the Morrison Bridge in Portland, OR, will utilize glass fiber reinforced polymer (FRP) panels to address ongoing maintenance issues of the… Read More

This report evaluates the fair value of an exclusive license that authorizes the Oregon Department of Administrative Services (DAS) or another entity to be the exclusive provider of electronic access to the Oregon Driver and Motor Vehicle Division (DMV) driving records to disseminators and other… Read More

This report presents results from surveys of residents at several transit-oriented developments (TODs) in Portland, Gresham, Hillsboro, and Happy Valley. The research complements survey work done in 2005 at sites near three MAX stations in Hillsboro and Beaverton (west of downtown) and the Merrick… Read More

The objectives of this research are to: 1.) collect, sort, filter, and archive WIM data to permit development of long-term continuous records of high-quality WIM data and; 2.) use the WIM data archive to monitor WIM sensor health, develop loads for asphalt design, load models for bridge rating and… Read More

A healthy and efficient public transit system is indispensable to reduce congestion, emissions, energy consumption, and car dependency in urban areas. The objective of this research is to 1) develop methods to evaluate and visualize bus service reliability for transit agencies in various temporal… Read More

Travel-time variability is a noteworthy factor in network performance. It measures the temporal uncertainty experienced by users in their movement between any two nodes in a network. The importance of the time variance depends on the penalties incurred by the users. In road networks, travelers… Read More

<p> The issue of travel time reliability is becoming more critical for the movement of people and freight. In order to examine issues related to the value of travel time reliability, we plan to test drivers&#39; preferences for alternate commuter routes in a real world setting. The research… Read More

This research project developed a seismic risk assessment model along the major truck routes in Oregon. The study had adopted federally developed software tools called Risk for Earthquake Damage to Roadway Systems (REDARS2) and HAZUS-MH. The model was the first time REDARS2 has been adopted and… Read More