Intelligent Transportation Systems Laboratory
Completed Research Projects

Our completed sponsored research projects are listed below. We have completed projects with budgets totaling $1,294,434.

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YEAR	ITS DATA, OPERATIONS, & TRAFFIC FLOW
2008	Effect of Sun Glare on Traffic Flow
2008	Identification of Country Specific Characteristics of Oscillating Congested Traffic
2007	Dynamic Travel Time Estimation Using Regression Trees
2007	Empirical Comparison Of German And U.S. Traffic Sensor Data And Impact On Driver Assistance Systems
2007	Travel Time Reliability
2007	Using Archived ITS Data for Analysis of Incidents on the Portland, Oregon Freeway System
2006	Annual Portland Metropolitan Region Transportation System Performance Report
2006	Congestion And Its Extent: An International Analysis Of Congestion Definitions
2005	Changes in Travel Behavior Demand Associated with Managed Lanes Facility System Expansion
2005	Development of Custom Data Collection Software for PalmOS-Based Handheld Computers
2005	Freeway Travel Time Validation
2005	Frontier Project Evaluation of Video Recognition Travel Time System
2005	Observations of Dynamic Traffic Flow Phenomena on a German Autobahn (A5)
2005	Using Archived Data to Measure Operational Benefits of ITS Investments
2005	Using PeMS Data to Empirically Diagnose Freeway Bottleneck Locations in Orange County, California
2004	Benefits of Intelligent Transportation Systems Technologies in Urban Areas
2002	Evaluation of Paramics Microsimulation Software
2002	Evaluation of VISSIM Microsimulation Software (In-kind)
2002	Oregon Intelligent Transportation System Monitoring Evaluation Prototype
2002	Region 1 Intelligent Transportation Systems (ITS) TransPort Support
2001	Alternatives to the Motor Fuel Tax Phase I: Identification of Economic/Institutional & Technology Issues
2001	Evaluation of Region 2 Incident Response Program
2001	Institutional and Technology Options for VMT Data and Fee Collection Centers
2001	Traffic Signal Pole Failure Testing

YEAR	FREIGHT
2008	Evaluating Traffic Signal Improvements for Freight Mobility
2007	Freight Railroad Capacity Alternatives In The Pacific Northwest: An Analysis of Class I Cooperation In The Columbia River Gorge
2006	Techniques for Mining Truck Data to Improve Freight Operations and Planning

YEAR	SAFETY
2008	Community and School Traffic Safety Partnership Research and Evaluation (Year 2)
2007	Highway Safety Manual: Parts 2 and 3 (NCHRP)
2007	Safety Effectiveness from a Behavioral Perspective of Marked vs. Unmarked Crosswalks at Unsignalized Intersections
2007	Understanding the Safety Effects of Roadway Illumination Reductions
2006	A Comprehensive Assessment of Electronic Communications from Oregon Courts to the DMV
2006	Determining Optimum Safety Countermeasures for Speed Related Crashes: Comparison of Identification and Ranking Methodologies for Speed Related Crash Locations
2006	Enhancing the Oregon Crash Reporting Process: A Feasibility Assessment
2006	Evaluation of the Myrtle Creek Curve Advanced Warning System
2006	Update and Enhancement of Oregon Department of Transportation's Crash Reduction Factors
2005	Clackamas County Safety Survey
2005	Effects of Highway Illumination Reduction on Highway Safety Performance
2004	Identifying Truck Rollover Locations
2004	Impacts and Issues Related to Changes in Interstate Speed Limits

YEAR	TRANSIT
2005	Great Cities Prototype for Advanced Public Transit Systems in Multimodal Corridors
2005	Toward Optimal Transit Stop Spacing
2005	Transit Buses as Traffic Probes for Arterial Performance Measurement
2005	Transit Signal Priority Evaluation
2001	Bus Rapid Transit and the American Community Design Competition

YEAR	EDUCATION
2006	Portland State University/University of Idaho Seminar, Fall 2006
2001	Transportation Engineering Community-Based Learning