This project sought to understand the relationship between urban form, transit service characteristics, and ridership measured at the stop level. Most previous work in this area has looked at these issues separately, by either linking system performance (e.g. on-time performance, cost, etc.) to… Read More

There is a growing interest in arterial system management due to the increasing amount of travel on arterials and a growing emphasis on multimodal transportation. The benefits of archiving arterial-related data are numerous. This research report describes our efforts to assemble and develop a… Read More

Due to recent budget and fiscal constraints, it is ever more imperative for transit agencies to manage their fleets in an optimal way. Fleet data have consistently shown that bus operational and maintenance (O&M) per-mile costs increase as buses age. From a purely economic perspective, there is a… Read More

The shift from combustion engines to low- and no-emission electric vehicles is underway and gaining momentum. During the last year, Oregon has become an active player in the electric vehicle arena, with a number of promising relationships and activities in the early stages of formalization. With… Read More

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