*smart transportation application and research
current projects

  • Error Modeling and Analysis for Travel Time Data Obtained from Bluetooth MAC Address Matching, Sept. 2009 - Aug. 2010.


  • Integrated Epidemiologic and Toxicologic Cardiovascular Studies to Identify Toxic Components and Sources of Fine Particulate Matter, Health Effects Institute (HEI), Sept. 2006 - Aug. 2010.


  • Prospective Study of Atherosclerosis, Clinical Cardiovascular Disease, and Long-Term Exposure to Ambient Particulate Matter and Other Air Pollutants in a Multi-Ethnic Cohort. The U.S. Environmental Protection Agency, Sept. 2004 - Aug. 2014.


  • past projects

  • Measuring Arterial Performance Using Vehicle Fleet GPS Data and Traffic Sensor Data, TransNow, July 2006 - June 2007

  • Traffic Simulation Lab, Washington State Department of Transportation (WSDOT) and TransNow, July 2006 -June 2007

  • Developing an Area-Wide System for Coordinated Ramp Meter Control, TransNow, July 2006 - June 2008

  • Puget Sound In-Vehicle Traffic Map Demonstration, WSDOT, Apr. 2006 - Sept. 2007.
    A System Optimization Approach for Traffic Signal Timing at Full-Actuated Intersections. Royalty Research Funds. Sept. 2006 -Aug. 2007.

  • Cost Effective Safety Improvements for Two-Lane Rural Roads, TransNow, Sept. 2005 - Aug. 2007. Funded

  • Estimation of Incident-Induced Travel Delays on Freeways, WSDOT and TransNow, Sept. 2005 - Jan. 2008.

  • Occlusion Robust Vehicle Tracking Using Motion-based Features, Transportation Northwest Center (TransNow), July 2006 -June 2008

  • South Snohomish Regional Transit Signal Priority (SS-RTSP) Evaluation, WSDOT, Feb. 2004 - Sept. 2007

  • Improving Truck and Speed Data Using Paired Single-Loop and Video Sensors, WSDOT, Feb. 2004 - Sept. 2006.

  • Improving Dual-Loop Truck (and Speed) Data: Quick Detection of Malfunctioning Loops and Calculation of Required Adjustments. WSDOT. Dec. 2003 - July 2006.

  • Developing A Portable Long-Vehicle Counter Using Video Image Processing, TransNow, Sept. 2003 - Feb. 2006.

  • Improving Dual-Loop Truck (and Speed) Data: Quick Detection of Malfunctioning Loops and Calculation of Required Adjustments, WSDOT and TransNow, Sept. 2003 - July 2006.

  • Developing A Portable Long-Vehicle Counter Using Video Image Processing. Funded by TransNow. Sept. 1, 2003 €“ Aug. 31, 2005.

  • Improving Dual-Loop Truck (and Speed) Data: Quick Detection of Malfunctioning Loops and Calculation of Required Adjustments. Funded by TransNow and the Washington State Department of Transportation. Dec. 1, 2003 €“ Nov. 30, 2005.

  • Comprehensive Evaluation of Transit Signal Priority system Impacts Using Field Observed Traffic Data (Phase I). Funded by TransNow. Sept. 1, 2004 €“ Aug. 31, 2006.

  • Improved System for Collecting Real-Time Truck Data from Dual-Loop Detectors. Funded by TransNow. Sept. 1, 2001 €“ August 31, 2004.