Featured Researchers
Rafael Aldrete
Dr. Aldrete is a Senior Research Scientist at the Texas A&M Transportation Institute (TTI) with over 15 years of experience in transport management consulting and research. His specialty areas include project development, infrastructure management, innovative finance and public-private partnerships (PPP) in all transport modes.… (more)
Robert Brydia
Currently holding the position of senior research scientist and possessing a diverse background of project experience encompassing 30 years of cross-cutting research across both transportation operations and information technology, Mr. Brydia is an expert in developing highly functional and integrated systems for multiple deployment efforts, and for implementing cross-cutting technology innovations that lead to recognizable transportation improvements… (more)
Scott Cooner
Mr. Cooner's experience includes a wide range of traffic operations and transportation planning activities. He has experience in freeway operations studies, signalized intersection analysis, railroad-highway grade crossing safety, ITS planning, incident management research, simulation modeling, and accident analysis. Mr. Cooner received his B.S. and M.S. degrees in Civil Engineering from Texas A&M University. He has been employed with TTI since August 1995 and is a licensed Professional Engineer in the State of Texas.… (more)
Zachary Elgart
Zachary Elgart is an associate transportation researcher in the Transit Mobility Division at TTI.… (more)
Melisa Finley
Melisa Finley is a Research Engineer in the Traffic Operations and Roadway Safety Division of the Texas A&M Transportation Institute (TTI). She has over 15 years of experience as a principal investigator or key researcher on over 35 studies relating to work zone safety and operations, traffic control measures and devices, human factors, and educational outreach.… (more)
Kay Fitzpatrick
Dr. Kay Fitzpatrick is a Senior Research Engineer at the Texas A&M Transportation Institute. She has both bachelor and master degrees from Texas A&M University and a doctor of philosophy degree from Penn State University. She is a registered professional engineer in Texas and Pennsylvania.… (more)
John Habermann
John Habermann joined the TTI Research and Implementation Division as the Lead Mobility Coordinator on the I-35 Mobility Coordination Project. John moved to the Waco area to start an I-35 project office for TTI. In his role as mobility coordinator, John has worked to advance traffic and work zone safety initiatives such as automated, portable, smart traffic, monitoring systems, variable speed limits in work zones, dynamic speed display signs, comparative travel time signs, and the dynamic late lane merge… (more)
Ed Hard
Mr. Hard is program manager for the Texas A&M Transportation Institute's Transportation Planning Program in College Station. He has over 20 years of experience as a professional transportation planner, including 10 years in the public sector, 9 years in university research, and 2 years in consulting. His areas of expertise include travel surveys to support urban transportation models and corridor management and preservation.… (more)
Neal Johnson
Neal Johnson is an Assistant Transportation Researcher in the Center for Transportation Safety, Behavioral Research Group. Mr. Johnson came to Texas after receiving his master's degree at the University of Wisconsin--Milwaukee. During his graduate studies Mr. Johnson served as a graduate assistant researcher.… (more)
Jeff Kaufman
Jeff Kaufman is an associate research scientist with the Texas A&M Transportation Institute.… (more)
Michael Martin
Michael has experience in conducting multimodal transportation planning- and safety-related studies in both urban and rural contexts. His work has focused on providing communities and local, state, and federal transportation agencies with data-driven results that are informative and implementable… (more)
Cesar Quiroga
Dr. Quiroga is a senior research engineer and manager of the San Antonio Office at TTI. His professional and research interests include interaction between energy developments and transportation systems; utility conflict management; utility data collection and mapping, accommodation, coordination, and permitting; 3D, BIM, CIM, GIS, and other spatial data technology applications… (more)
Allan Rutter
Mr. Rutter has more than 30 years of experience in multimodal transportation policy, finance and safety, and organizational management and strategic planning. Mr. Rutter provides leadership in TTI's freight research efforts. Working out of TTI's Dallas office, he guides the implementation of a strategic plan for TTI's freight activities and serves in a coordination role for freight… (more)
David Salgado
Mr. Salgado is an Assistant Transportation Researcher at the Texas A&M Transportation Institute (TTI), a member of the Texas A&M University System. His experience includes technical, financial and institutional structuring of transportation infrastructure; tolling feasibility studies; transportation system management and operations (TSMO); feasibility studies for the implementation of transportation systems… (more)
Swapnil Samant
Mr. Samant has been involved in development of web based and desktop software since 2001. Mr. Samant currently serves as a Software Applications Developer at TTI. In this role, he has developed web based software applications for projects sponsored by various regional, state and federal agencies.… (more)
David Schrank
Dr. Schrank has been extensively involved in urban mobility research for over 20 years. He has been involved in research that has developed and applied a methodology to assess areawide traffic congestion levels and congestion costs. The Urban Mobility Report includes information on 101 cities throughout the U.S. from 1982. The study examines trends in urban area mobility and documents… (more)
Tom Scullion
Mr. Tom Scullion is a Regents Fellow and the program manager of the Flexible Pavement Program at TTI and is a registered professional engineer in the state of Texas. He has been involved with pavement research for 35 years and his current interests are in the areas of pavement rehabilitation, overlay design, non-destructive testing, and the development and implementation of new technologies for real-time quality control testing… (more)
Stephen Sebesta
Mr. Stephen Sebesta is a research scientist at the Texas A&M Transportation Institute (TTI). His research interests include rapid pavement renewal strategies, identification and development of new techniques for field and laboratory quality control, soil and base stabilization and reclamation, nondestructive testing, and forensic evaluation. He enjoys working closely with stakeholders to identify solutions to real-world problems and places high priority on providing results of practical usefulness to project sponsors.… (more)
Chris Simek
Mr. Simek has 15 years of project management and travel behavior survey research experience, including 12 years in private sector consulting, and 3 year in university research. Throughout his career, his work and experience has been focused in the areas of travel surveys to support urban transportation models and urban planning policy.… (more)
Srinivasa Sunkari
Srinivasa Sunkari is a Research Engineer in the Translink Research Center. Currently he is working on a project to provide advance warning for end of green at high speed signals and another project to develop cost effective methods to obtain advance detection at signalized intersections.… (more)
Katie Turnbull
Dr. Katie Turnbull is an executive associate director of TTI and is head of the System Planning, Policy, & Environment Research Group.… (more)
Shawn Turner
Mr. Shawn Turner has managed and performed a wide variety of transportation planning and traffic operations research since joining the Texas A&M Transportation Institute in 1992. His major areas of emphasis have been in traffic data collection, ITS data archiving, management, and analysis. Other emphasis areas include transportation system performance measures and bicycle/pedestrian transportation.… (more)
Jerry Ullman
Dr. Ullman has been a principal investigator or key researcher on over 70 different research studies pertaining to work zone safety and operations, dynamic message sign message design and applications, transportation management analysis of major freeway reconstruction projects, transportation management for incidents and major emergencies, and freeway operations and management.… (more)
Mike Vickich
As a Senior Systems Analyst at the Texas A&M Transportation Institute (TTI), Mr. Vickich has almost 20 years of experience developing transportation software systems. While at TTI, his work has involved him in the design and implementation of Traffic Management System (TMC) software responsible for running large scale Advanced Traveler Information Systems (ATIS) and… (more)
Andrew Wimsatt
Dr. Andrew J. Wimsatt joined the Texas A&M Transportation Institute (TTI) in September, 2006, after working at the Texas of Department of Transportation (Texas DOT) for 18 years, most recently as the Fort Worth District Pavement Engineer and manager of the District's Pavement Management and Bridge Inspection Section from February, 1996 to August, 2006. He earned… (more)
Katie Womack
Katie Womack is a Senior Research Scientist at the Texas A&M Transportation Institute and is the manager of the Behavioral Research Group at the Center for Transportation Safety. Ms. Womack has been a member of the Institute's full-time staff for over 24 years, joining TTI as a graduate student in Sociology at Texas A&M University. Prior to receiving her Master's degree from Texas A&M University, Ms. Womack received B.A. degrees (cum laude) in Sociology and Psychology at Texas A&M University-Commerce… (more)