Education

• MS, Civil Engineering (Transportation Engineering), Iowa State University, Ames, IA, 1994 
• BS, Civil Engineering, Iowa State University, Ames, IA, 1993

Professional Experience

• Director, Center for Weather Impacts on Mobility and Safety, 2016–present
• Research Engineer, Center for Transportation Research and Education, 1995–present

Selected Research Projects by Area - Traffic Safety

• Iowa Traffic Safety Data Service, Iowa GTSB, Iowa DOT, 1999–present
• Traffic Safety Improvement Program Process Improvement: Phase 2, Iowa DOT, 2019–present
• usRAP Evaluation of the Indiana Toll Road, Indiana Toll Road CC, 2019–present
• Collection of MIRE FDE on Non-State-Owned Public Roads, Federal Highway Administration (FHWA), 2017–present
• Development of Guidance and Outreach to Reduce Roadway Departure Crashes, FHWA, 2017–present
• usRAP Evaluation of Interstate Truck Routes, Roadway Safety Foundation (RSF), 2019–present
• usRAP Support for Local Agencies, RSF, 2019–present
• Unreported Deer Crashes on Major Highways, Iowa DOT, 2020–present
• Public Infrastructure Road Safety Promotion, Education and Technology Transfer: Technical Support for usRAP Activities, RSF, 2019
• Office of Traffic and Safety Support, Iowa DOT, 2017–present
• Office of Traffic Operations Research Support, Iowa DOT, 2019–present
• Application of Safer Roads Investment Plans and Other Related Tools for Safety Management of Utah Roads and Streets, Utah DOT, 2019
• Iowa Local Road Safety Plans (Phases 1 – 4) and Iowa District Road Safety Plans, Iowa DOT, 2019
• High Friction Surface Treatment for High Crash Locations, Iowa DOT and Midwest Transportation Center (MTC), 2014–present
• Safety Benefits of Highway Infrastructure Investments, AAA Foundation for Traffic Safety (AAA FTS), 2016
• Develop Safer Roads Investment Plans for State Highways in Utah, Utah DOT, 2016
• Development of On-Line Course Content for usRAP Training, RSF, 2018
• usRAP Technical Support 2016 – 2017, RSF, 2018
• Statewide Heavy Truck Crash Assessment, Iowa DOT, Mid-American Transportation Consortium (MATC), 2014
• usRAP Phases 1 – 3, AAA FTS, 2010
• usRAP Studies for Illinois Counties, Illinois DOT, 2014
• Development of usRAP Risk Maps for Selected Highways in Northern Virginia, Transurban, 2014
• Safety Analysis on Low Volume Rural Roads in Iowa, Iowa DOT, 2010
• A Study on the Effectiveness of Special Deer Hunts in Reducing Deer-vehicle Crash Rates in Iowa, Iowa DOT, 2010
• Enhancing Motorcycle Conspicuity Awareness in Iowa, Iowa DOT, 2010

Selected Research Projects by Area - Weather and Maintenance Operations

• Aurora Pooled Fund Program Management, Iowa DOT, 2018–present
• Evaluation of Road Weather Messages on DMS Based on Roadside Pavement Sensors, MnDOT, 2020–present
• Iowa DOT Maintenance Decision Support Tools, Iowa DOT, 2018–present
• Invasive and Non-Invasive Sensing: Assessing Agreement between Measurement Systems, Aurora Pooled Fund, 2019–present
• Pikalert Connected Autonomous Vehicles (CAV) Demonstration, Iowa DOT, 2019
• Operational Data to Assess Mobility and Crash Experience during Winter Conditions, Iowa DOT and Midwest Transportation Center (MTC), 2018
• Safety and Mobility Impacts of Winter Weather, Phases 1–3, Iowa DOT, MATC, 2014
• Analysis of Dynamic Advisory Messaging, Phases 1–2, Iowa DOT, 2018

Selected Research Projects by Area - Bridges and Railroads

• Assessing Bridge Characteristics for Use and Importance as Roosting Habitats for Bats, Iowa DOT, 2018
• Upgrading Bridge Rails on Low Volume Roads in Iowa TR-679, Iowa Highway Research Board (IHRB), 2016
• Development of Railroad Highway Grade Crossing Closure Rating Formula, Iowa DOT, Center, MATC, 2014
• Analysis of the Safety Benefits of Shielding Bridge Piers, Iowa DOT, 2009

Selected Research Projects by Area - Roadway Data

• Technical Support for Roadway Information Database (RID) for Safety Training and Analysis Center (STAC), FHWA, 2017 –
• User Training for the SHRP 2 RID and NDS Databases, FHWA, 2017
• Roadway Data Improvement Program (RDIP) Assistance, FHWA, 2016
• SHRP 2 S04A RID Development and Technical Coordination and Quality Assurance of the Mobile Data Collection Project (S04B), SHRP2, 2014
• Roadway Data Extraction Technical Assistance Program, FHWA, 2018
• Utilization of Remote Traffic Monitoring Devices for Work Zone Assessment, Smart Work Zone Deployment Initiative, 2012

Selected Research Projects by Area - Driver Licensing

• Midwest Cross-Jurisdictional Image Verification, Iowa DOT, 2019
• Evaluation of Iowa’s Driver Improvement Program, Iowa DOT, 2009

Professional Affiliations and Honors

• Licensed Professional Engineer, State of Iowa
• Iowa Statewide Traffic Records Coordinating Committee (STRCC)
• Iowa Department of Public Safety Commissioner’s Special Award for Traffic Safety, 2006