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Featured Researchers

Jeffrey Craig Arndt
Jeffrey Craig Arndt

Jeff Arndt is a research scientist with the Transportation Mobility Program. He recently worked on a project to provide the Texas Department of Transportation with a decision-making framework for participating in commuter and light-rail projects in metropolitan areas such as Austin and San Antonio. Arndt has also been involved in an effort to aid the Texas Transportation Commission¿s Regional Planning and Public Transportation Study Group to develop regional coordinated public transportation plans.

Patricia Ann Turner
Patricia Ann Turner

Patricia Turner is an Associate Research Scientist with TTI's Center for Transportation Safety. Ms. Turner has over 14 years experience in transportation research and has managed numerous highway safety-related projects, including studies related to bicycle and pedestrian issues, motorcycle safety, alcohol, fatal crashes, and crash record systems. She leads a new comprehensive, statewide motorcycle safety campaign that focuses on impaired riding, driver awareness, and rider education.

Jett A. McFalls
Jett A. McFalls

Jett McFalls is an assistant research scientist in the Environmental Management Program. He is a registered landscape architect and the manager of the TTI/Texas Department of Transportation Hydraulics, Sedimentation and Erosion Control Laboratory (HSECL), a 19-acre facility that conducts full-scale performance evaluations of erosion and sediment control products. He has conducted numerous water quality research studies and has co-authored several erosion/sediment control training and certification courses.

Ginger Goodin, P.E.
Ginger Goodin, P.E.

Ginger Goodin is a research engineer and the manager of the Agency Liaison Office, overseeing a staff of researchers involved in both transportation planning and operations studies. Ms. Goodin's areas of expertise are the research, evaluation, and implementation of managed lanes, high-occupancy/toll (HOT) lanes, high-occupancy vehicle (HOV) facilities, and toll facilities. She is currently preparing a managed lanes cross-cutting study and primer for the Federal Highway Administration.

Brian Stephen Bochner, P.E.
Brian Stephen Bochner, P.E.

Brian Bochner is a senior research engineer at TTI and serves as the manager of the Center for Air Quality Studies. Mr. Bochner currently leads a policy analysis project to evaluate possible transportation-related policies that would help to improve air quality in Texas. He also leads a public education and outreach program titled "Drive Clean Across Texas" to reduce mobile source emissions.

Dominique Lord, Ph.D.
Dominique Lord, Ph.D.

Dr. Lord is an assistant professor and associate research scientist with the Center for Transportation Safety. He has led studies on the development of safety performance functions, pedestrian safety, the application of traffic conflicts at signalized intersections, and the investigation of safety issues for intelligent transportation systems technology. His expertise includes modeling of crash data, the estimation of crash risk, and the evaluation of treatments for the reduction of crashes.

Curtis Phillips Beaty, P.E.
Curtis Phillips Beaty, P.E.

Curtis Beaty is an associate research engineer and the program manager of the Dallas Research and Implementation Division. Beaty investigates innovative solutions to traditional and emerging transportation issues in the Dallas area. He has performed independent analysis of traffic and revenue studies relating to proposed tolling projects. Currently, he leads an effort to assess the state of the practice in market valuation of transportation infrastructure projects.

Amy Epps Martin, P.E.
Amy Epps Martin, P.E.

Amy Epps Martin is an associate research engineer in the Materials and Pavements Division. Ms. Epps Martin is currently working on a project that examines ways to optimize the design of permeable friction courses (PFCs). She also provides support to the Texas Department of Transportation with fatigue testing of hot-mix asphalt.

Lance Bullard, Jr., P.E.
Lance Bullard, Jr., P.E.

Mr. Bullard is a research engineer and the head of the Crashworthy Structures Program. He has performed many accident investigations and reconstructions of passenger and commercial vehicle accidents. In addition, he has developed and taught courses in accident investigation and reconstruction and biomechanics of automobile accidents in the United States and the United Arab Emirates. He has authored and coauthored many technical reports relating to highway safety appurtenances.

Dean C. Alberson, Ph.D., P.E.
Dean C. Alberson, Ph.D., P.E.

Dr. Dean C. Alberson is an assistant agency director assisting divisions in the pursuit of new research initiatives. He is also a research engineer and program manager of the Crashworthy Structures Program. He has led numerous projects for the U.S. Department of State and others involving the full-scale crash testing of anti-ram and anti-terrorist perimeter barriers and gates. Dr. Alberson is an expert in the areas of anti-ram security, highway safety, roadside structures, vehicle dynamics, and accident analysis.

Curtis Alan Morgan
Curtis Alan Morgan

Curtis Morgan is an assistant research scientist and manager of the Rail Research Center. His work encompasses research, analysis, and evaluation of both freight and passenger rail systems. He has led several major research efforts regarding rail safety, statewide and local rail planning, and intermodal transportation. Among these are studies relating to crew resource management safety training in the rail industry, container movement and public-private partnership opportunities for rail transportation, and passenger rail financing and technology.

Dennis L. Christiansen, Ph.D., P.E.
Dennis L. Christiansen, Ph.D., P.E.

Dr. Dennis Christiansen is the deputy director of TTI and the assistant director of the Materials, Structures, and Safety Research Group. He has primary responsibility for the day-to-day operations of the agency and the overall coordination of the research program. Dr. Christiansen is recognized as an international expert in traffic operations, transportation planning, and transit planning, including the planning, design, operation, and evaluation of preferential facilities for high-occupancy vehicles.

Timothy J. Lomax, Ph.D., P.E.
Timothy J. Lomax, Ph.D., P.E.

Dr. Tim Lomax is a research engineer and the manager of the Mobility Analysis Program. He developed and applied a methodology to assess areawide traffic congestion levels and congestion costs. The current study includes information on 75 cities throughout the United States from 1982 through 2000. The research, with funding from 10 state departments of transportation, will improve mobility-measuring capabilities and expand the ability to communicate with general audiences.

Paul J. Carlson, Ph.D., P.E.
Paul J. Carlson, Ph.D., P.E.

Dr. Paul Carlson is an associate research engineer and the head of the Operations and Design Division. His primary areas of interest are traffic engineering, highway safety, nighttime visibility, traffic control devices, geometric design, and human factors. He has led numerous research studies concerning traffic sign and pavement marking retroreflectivity, highway safety, nighttime driver visibility needs, centerline and edgeline rumble strips, traffic signal warrants, and operational effects of geometric design.

David L. Schrank, Ph.D.
David L. Schrank, Ph.D.

David Schrank is an associate research scientist in the Mobility Analysis Program. He has conducted a number of studies related to urban transportation planning. Mr. Schrank has been involved with the Urban Mobility Study (UMS) for over 10 years. This study quantifies traffic congestion levels in 75 urban areas in the United States. In addition, he has helped to develop transportation planning guidelines for rural or small-urban Texas counties.

David Rennie Ellis, Ph.D.
David Rennie Ellis, Ph.D.

Dr. David Ellis is a research scientist in the Mobility Analysis Program and a visiting assistant professor at Texas A&M University. He has 22 years of experience in urban planning, government/public affairs, transportation analysis, strategic planning, demographic analysis, socioeconomic impact assessment, economic policy analysis, and management. A recent project developed a defensible "value of time" methodology for the Texas Department of Transportation.

Roberto Macias
Roberto Macias

Roberto Macias is an associate research scientist in the Center on Tolling Research. He has more than 10 years of experience in the tolling industry, with expertise in implementation and systems engineering. He has worked with ACS Government Solutions and various electronic toll collection (ETC) clients, such as the Pennsylvania Turnpike and Maryland Transportation Authority E-ZPass programs.

Beverly T. Kuhn, Ph.D., P.E.
Beverly T. Kuhn, Ph.D., P.E.

Dr. Beverly Kuhn is the head of the System Management Division and leads more than 20 researchers in the areas of corridor management, applications integration, technology development, intelligent transportation systems (ITS), system monitoring, and infrastructure management. She currently leads a project to help the Federal Highway Administration develop a 10-year program plan for research in the managed lanes arena. She also leads a project assessing the feasibility of managed ramps.

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