Principal Investigator, "Development of an Accessibility Formulation to Measure Customers' Evaluations of Demand Responsive Transit (DRT) Systems," funded by TxDOT, 11/1/12-8/31/14.

Principal Investigator, "A Novel Approach to Modeling and Predicting Crash Frequency at Urban Intersections by Crash Type and Injury Severity Level," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 12/1/12-1/31/15.

Co-Principal Investigator, "Improved Trip Generation Data for Texas Using Workplace and Special Generator Surveys," funded by TxDOT (Edwin Hard at TTI is the Principal Investigator, and David Pearson, Brian Bochner, Kevin Hall, Stella Nepal, Chris Simek, Ben Sperry, Lisa Larsen, and Chrissy Bernardo are Co-PIs), 9/1/12-8/31/14.

Co-Principal Investigator, "Foundational Knowledge to Support a Long Distance Passenger Travel Demand Modeling Framework," funded by the Federal Highway Administration, Exploratory Advanced Research Program (Maren Outwater at Resource Systems Group is the Principal Investigator), 7/20/11-10/20/14.

Co-Principal Investigator, "Development of a Household Vehicle Ownership and Fleet Composition," funded by the Maricopa Association of Governments (MAG) (Ram Pendyala at Arizona State University is the Principal Investigator), 7/1/12-5/31/14.

Other Ongoing Research at UT:

-Intercity Travel Demand Modeling

Previous Funded Projects at UT:

Principal Investigator, "A Generic Mode Choice Model Applicable for Small and Medium-Sized MPOs," funded by TxDOT, 11/1/12-12/31/13.

Principal Investigator, "Developing a Business Process and Logical Data Model to Support a Tour-based Travel Demand Model Design," funded by TxDOT (Karen Lorenzini, Edgar Kraus, Ipek Sener, and Andy Mullins at TTI were Co-PIs), 9/1/12-8/31/13.

Principal Investigator, "The Transportation-Related Causes and Consequences of Land Use Change," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 5/1/12-8/31/13.

Co-Principal Investigator, "Incorporating Greenhouse Gas (GHG) Emissions in Long Range Transportation Planning," funded by TxDOT (Josias Zietsman at TTI was the Principal Investigator, and Dennis Perkinson, Phillip Reeder, Tara Ramani, Todd Carlson, Reza Farzaneh, Elena McDonald-Buller, and Amit Bhasin were Co-PIs), 9/1/11-8/31/13.

Co-Principal Investigator, "Household Evolution Model Development for SCAG Activity Based Model," funded by the Southern California Association of Governments (SCAG) (Prof. Kostas Goulias of University of California, Santa Barbara was the Principal Investigator, and Prof. Ram Pendyala of Arizona State University was a Co-PI), 11/17/11-6/30/13.

Co-Principal Investigator, "Truck-Rail Intermodal Flows: A Corridor Toolkit," funded by TxDOT (Robert Harrison was the Principal Investigator, and Dan Seedah was a Co-PI), 9/1/11-6/30/13.

Co-Principal Investigator, "Managing the TDM Process: Developing MPO Institutional Capacity," funded by TxDOT (Karen Lorenzini at TTI was the Principal Investigator, and Phillip Reeder, Patricia Ellis, Tina Geiselbrecht, Ipek Sener, Stacey Bricka, and John Overman were Co-PIs), 9/1/11-2/28/13.

Co-Principal Investigator, "SCAG Activity-Based Travel Demand Model Development: Development of Sim AGENT," funded by the Southern California Association of Governments (SCAG), (Prof. Kostas Goulias of University of California, Santa Barbara was the Principal Investigator, and Prof. Ram Pendyala of Arizona State University was a Co-PI), 4/01/09-12/31/12.

Principal Investigator, "Advanced Travel Demand Modeling: Choice Model Estimation Training," funded by North Central Texas Council of Governments (NCTCOG), 1/19/11-9/30/12.

Co-Principal Investigator, "Manage the Transportation System," funded by TxDOT (Zhanmin Zhang was the Principal Investigator, and C. Michael Walton, Randy Machemehl, and Lu Gao were Co-PIs), 4/1/12-9/30/12.

Faculty Investigator, "Sustainable Cities Doctoral Initiative," grant from the UT System, (Prof. Elizabeth Mueller, The Center for Sustainable Development, UT School of Architecture, was the Principal Investigator), 9/1/09-8/31/12.

Co-Principal Investigator, "Optimizing Resource Allocations for Routine Highway Maintenance," funded by TxDOT (Zhanmin Zhang was the Principal Investigator, and Michael Murphy, James O'Connor, and Yetkin Yildrim were Co-PIs), 9/1/10-8/31/12.

Co-Principal Investigator, "Characteristics of Premium Transit Services that Affect Choice of Mode, TCRP H-37A," funded by Transit Cooperative Research Program (TCRP), Transportation Research Board, the National Academies, (Maren Outwater at Resource Systems Group wass the Principal Investigator), 5/28/10-5/31/12.

Co-Principal Investigator, "Partnership to Develop an Integrated, Advanced Travel Demand Model and Fine-Grained, Time-Sensitive Network, SHRP C-10(A)," funded by Strategic Highway Research Program 2 (SHRP2), Transportation Research Board, the National Academies, (Stephen Lawe at Resource Systems Group was the Principal Investigator, and AECOM, Mark Bradley, John Bowman, S. Travis Waller, Ram Pendyala, and Mohammad Hadi were Co-PIs), 8/13/09-2/28/12.

Principal Investigator, "The Design and Estimation of a Household Vehicle Evolution and Composition Model for Assessing the Impact of Transportation Policies on Global Climate Change and Air Quality," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/10-8/31/11.

Co-Principal Investigator, "Positive Feedback: An Examination of Current Approaches in Iterative Travel Demand Model Implementation," funded by TxDOT, (Phillip Reeder at TTI was the Principal Investigator, and Karen Lorenzini and Kevin Hall were Co-PIs), 9/1/10-8/31/11.

Co-Principal Investigator, "Condemnation in Transportation Projects: Causes and Solutions," funded by TxDOT (Carlos Caldas was the Principal Investigator, and Kara Kockelman, Lisa Loftus-Otway, and Nathan Hutson were Co-PIs), 9/1/10-8/31/11.

Co-Principal Investigator, "Management Science Applications for TxDOT - Scoping Study," funded by TxDOT, (S. Travis Waller was the Principal Investigator, and William O'Brien, Jennifer Duthie (UT), John Walewski, Bryan Wood, Don Hun Kang, Christine Yager (TTI), and C.M. Chang Albitres (UTEP) were Co-PIs), 9/1/10-8/31/11.

Principal Investigator, "Measuring Access to Transit Service in Rural Transit Systems," funded by Texas Department of Transportation (TxDOT), 6/11/09-8/31/11.

Co-Principal Investigator, "Freight Demand Modeling and Data Improvement Strategic Plan, SHRP C-20," funded by Strategic Highway Research Program 2 (SHRP2), Transportation Research Board, the National Academies, (Keith Chase at Gannett Fleming is the Principal Investigator), 10/1/09-2/28/11.

Principal Investigator, "Sensitivity of Four-Step Versus Activity Based Models to Transportation System Changes," funded by Ohio Department of Transportation (ODOT), collaborative project with Co-PIs John Bowman (Bowman Research & Consulting, Mark Bradley (Bradley Consulting), David Schmitt (AECOM Consult, Inc.), and Ram Pendyala (Arizona State University), 9/1/08-11/30/10.

Principal Investigator, "Discrete Choice Modeling: Training and Technology Transfer," funded by North Central Texas Council of Governments (NCTCOG), 10/1/09-9/30/10.

Principal Investigator, "A Study of the Inter-Relationship between Parent's and Children's Physical Activity Participation Frequency," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/09-8/31/10.

Co-Principal Investigator, "Appraisal of Available Analytic Tools to Assess Environmental Justice Impacts of Toll Road Projects," funded by Texas Department of Transportation (TxDOT),  (Jolanda Prozzi was the Principal Investigator, and Jorge Prozzi, S. Travis Waller, Guohui Zhang, Talia McCray, and Lisa Loftus-Otway were Co-PIs), 9/1/09-8/31/10.

Co-Principal Investigator, "Freight Planning Factors Impacting Texas Commodity Flows," funded by Texas Department of Transportation (TxDOT),(C. Michael Walton was the Principal Investigator, and Jolanda Prozzi and Nathan Hutson were Co-PIs), 9/1/08-8/31/10.

Principal Investigator, "Memorandum of Understanding between Turin Town Council, CIREM, and UT Austin for use of results from the multipurpose household time use survey (2002-2003) with an extended sample for the Turin area," funded by the Interuniversity Centre for Economic Research and Mobility (CIREM), University of Cagliari, 9/1/08-1/15/10.

Principal Investigator, "CEMDAP - Testing and Enhancement," funded by North Central Texas Council of Governments (NCTCOG), 1/1/08-9/30/09.

Principal Investigator, "Adding Tour-Based Modeling to TxDOT's Travel Modeling Framework," funded by Texas Department of Transportation (TxDOT), (collaborative project with Phillip Reeder, Jim Benson, and David Pearson of TTI), 9/1/08-8/31/09.

Principal Investigator, "A Comprehensive Analysis of Impact of Travel Time Reliability on Congestion Management Strategies," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/08-8/31/09.

Co-Principal Investigator, "Sketch Planning Techniques to Assess Regional Air Quality Impacts of Congestion Mitigation Strategies," funded by Texas Department of Transportation (TxDOT), (Kara Kockelman was the Principal Investigator, and Elena McDonald-Buller was a Co-PI), 9/1/08-3/31/09.

Principal Investigator, "Integrating Land Use, Transportation, and Air Quality Modeling," funded by the National Center for Environmental Research of the U.S. Environmental Protection Agency,  (collaborative project with Prof. Paul Waddell of University of Washington as the Principal Investigator and Prof. Ram Pendyala of University of South Florida as a Co-PI), 9/16/04-9/15/08.

Principal Investigator, "Analysis of Children's After-School Activity and Travel Patterns," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/07-8/31/08.

Principal Investigator, "Measuring Access to Transit Service," (Implementation Project) funded by Texas Department of Transportation (TxDOT), (Co-PIs were Stacey Bricka and Jeffrey LaMondia), 9/29/06-8/31/08.

Co-Principal Investigator, "On-Line Diagnostic and Information Clearinghouse for Quality Growth Tools and Techniques to Promote Livable Texas Cities and Regions," (Implementation Project) funded by Envision Central Texas (ECT), (Robert Paterson was the Principal Investigator), 3/1/07-8/31/07.

Principal Investigator, "Impacts of Demographic Shifts in Metropolitan Areas on the Transportation Network," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/06-8/31/07

Co-Principal Investigator, "Operational and Safety Impacts for Bicyclists Using Roadways with On-Street Parking," funded by Texas Department of Transportation (TxDOT), (Randy Machemehl was the Principal Investigator, and Ian Hallett was a Co-PI), 9/1/06-8/31/07.

Co-Principal Investigator, "The Value of Texas Seaports in an Environment of Increasing Global Trade," funded by Texas Department of Transportation (TxDOT), (Rob Harrison was the Principal Investigator, and Nathan Hutson and Peter Siegesmund were Co-PIs). This was a collaborative project with James Kruse of Texas Transportation Institute), 1/1/06-8/31/07.

Principal Investigator, "Impact of Extreme Events: A Systematic Analysis of Individual Travel Choice Decisions," funded by the National Science Foundation, (collaborative project with Prof. Jose Holguin-Veras of Rensselaer Polytechnic Institute as the Principal Investigator, and Prof. Robert E. Paaswell of CUNY City College as a Co-PI), 9/1/03-2/28/07.

Principal Investigator, "Second Generation Activity-Based Travel Modeling System for Metropolitan Areas in Texas Accommodating Demographic, Land Use, and Traffic Microsimulation Components," (continuation) funded by Texas Department of Transportation (TxDOT), 9/1/05-8/31/06.

Principal Investigator, "A Comprehensive Analysis of Neighborhood Physical Environment Characteristics on Auto Ownership Levels," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/05-8/31/06.

Principal Investigator, "On Examining Household Vehicle Holdings and Usage Decisions," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/04-8/31/06.

Principal Investigator, "Measuring Access to Public Transportation Services," funded by Texas Department of Transportation (TxDOT), (Co-PIs include Prof. Bob Paterson, Stacey Bricka, and Jessica Guo. This was a collaborative project with Dr. Qisheng Pan of Texas Southern University), 9/1/04-8/31/06.

Principal Investigator, "Conversion of Volunteer-Collected GPS Diary Data to Travel Time Performance Measures," funded by Texas Department of Transportation (TxDOT), (Co-PIs included Prof. Barbara Parmenter, Stacey Bricka, and Siva Srinivasan), 9/1/04-12/31/05.

Principal Investigator, " Issues Related to Public Support of Passenger Rail Services on Existing Freight Rail Lines and/or Rights-of-Way," funded by Texas Department of Transportation (TxDOT), (Co-PIs included Prof. Mike Walton, Jolanda Prozzi, Randolph Resor, and James Blaze),9/1/04-8/31/05.

Principal Investigator, "Second Generation Activity-Based Travel Modeling System for Metropolitan Areas in Texas Accommodating Demographic, Land Use, and Traffic Microsimulation Components," (continuation) funded by Texas Department of Transportation (TxDOT), 9/1/04-8/31/05.

Principal Investigator, "Time-of-Day Modeling of Person Trips Using Revealed Preference and Stated Preference Surveys," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/03-8/31/05.

Principal Investigator, "Second Generation Activity-Based Travel Modeling System for Metropolitan Areas in Texas Accommodating Demographic, Land Use, and Traffic Microsimulation Components," funded by Texas Department of Transportation (TxDOT), 9/1/03-8/31/04.

Co-Principal Investigator, "Development of Sources and Methods for Securing Truck Travel Data in Texas," funded by TxDOT, (Rob Harrison was the Principal Investigator, and Prof. Kara Kockelman, Tom Rioux, and Jolanda Prozzi were Co-PIs), 9/1/03-8/31/04.

Principal Investigator, "GIS-Based Analysis and Modeling of Non-Motorized Travel Behavior," funded by Bureau of Transportation Statistics, U.S. Department of Transportation, 9/1/02-1/31/05.

Principal Investigator, "Competitiveness of Alternative Transportation Modes," funded by Texas Department of Transportation (TxDOT), (Co-PIs included Profs. Mike Walton and Jolanda Prozzi), 9/1/02-8/31/04.

Principal Investigator, "Analysis and Modeling of Individual Activity-Travel Patterns During Weekends," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/02-8/31/04.

Principal Investigator, "Develop GIS-Integrated Traffic Models for MOBILE6-Based Air Quality Conformity and TCM Analysis," funded by Texas Department of Transportation (TxDOT), 9/1/01-8/31/03.

Principal Investigator, "Air Travel: A Systematic Analysis of Traveler Choices," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/01-8/31/03.

Principal Investigator, "Activity-Based Travel Demand Modeling for Metropolitan Areas in Texas," funded by TxDOT, 9/1/00-8/31/03.

Co-Principal Investigator, "Containerized Freight Movement in Texas," funded by TxDOT (Rob Harrison was the Principal Investigator, and Profs. Steve Roop, Curtis Morgan, and Jeffery Warner were Co-PIs), 9/1/01-8/31/03.

Co-Principal Investigator, "Techniques for Mitigating Urban Sprawl," funded by TxDOT (Prof. Bob Paterson was the Principal Investigator, and Prof. Kara Kockelman was a Co-PI), 9/1/01-8/31/03.

Principal Investigator, "Development of an Urban Accessibility Index", funded by TxDOT, (Co-PIs include Profs. Kockelman, Mahmassani, and Handy), 9/1/99-8/31/02.

Principal Investigator, "A Methodology to Analyze the Effectiveness of Roadway Pricing Control Strategies Using Travel Survey Data," funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/00-8/31/02.

Co-Principal Investigator, "Metropolitan Planning Organization (MPO) Strategies for Addressing Federal Requirements," funded by TxDOT (Prof. Susan Handy was the Principal Investigator, and Prof. Mike Walton was a Co-PI), 9/1/01-8/31/02.

Co-Principal Investigator, " Environmental Benefits of Intelligent Transportation Systems (ITS)", funded by TxDOT, (Prof. Hani Mahmassani was the research supervisor and PI on this project and Profs. Mike Walton and Susan Handy were Co-PIs), 9/1/00-8/31/02.

Co-Principal Investigator, "Impacts of Inland Ports on Trade Flows and Transportation in Texas", funded by TxDOT, (Rob Harrison was the research supervisor and PI on this project and John McCray, Russell Henk and Mike Walton were Co-PIs), 9/1/00-8/31/02.

Principal Investigator, "Infrastructure Impacts and Operational Requirements Associated with the Next Generation Container Ships (Megaships) on the Texas Transportation System" funded by TxDOT, (Prof. Mike Walton and Rob Harrison were Co-PIs), 9/1/00-8/31/01. Co-Principal Investigator, 9/1/98-8/31/00, (Prof. Mike Walton was the PI and Rob Harrison was a Co-PI).

Principal Investigator, "A Joint Model System of Mode Choice, Destination Choice, and Departure Time Choice for Nonwork Trips", funded by the Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/99-8/21/01.

Research Supervisor and Principal Investigator , "Transportation Control Measure Effectiveness in Ozone Nonattainment Areas", funded by TxDOT, (Prof. Mike Walton is a Co-PI), 9/1/98-8/31/01.

Principal Investigator, "A Travel Demand Modeling System Accommodating Departure Time Choice", Southwest Region University Transportation Center of the U.S. Department of Transportation, 9/1/98-8/31/00.

Principal Investigator, "Improvements in Travel Behavior Analysis", conducted in collaboration with the National Institute of Statistical Sciences (NISS) as part of a larger project titled "Measurement, Modeling and Prediction for Infrastructural Systems", project funded by the National Science Foundation, 9/1/97 - 01/15/00.

Principal Investigator, "Electronic Instruction Material for the Course Titled Discrete Choice Theory and Modeling", University of Texas at Austin, 9/1/98 - 8/31/99.

Principal Investigator, Summer Academic Development Proposal for WebCT-Based Course Development for CE 391J, UT Engineering School, 6/1/99 - 8/31/99.

Previous Funded Projects at UMass:

Principal Investigator, "Improvements in Travel Behavior Analysis", conducted in collaboration with the National Institute of Statistical Sciences (NISS) as part of a larger project titled "Measurement, Modeling and Prediction for Infrastructural Systems", project funded by the National Science Foundation, 6/1/95 - 08/31/97.

Principal Investigator, "A Joint Model System of Work Commute Mode Choice and Number of Commute Stops", Region One University Transportation Center, 9/1/96 - 8/31/97.

Principal Investigator, "Travel Demand Modeling Improvements: Disaggregate Destination Choice Modeling", Massachusetts Highway Department, 10/1/95 - 8/31/97.

Principal Investigator, USDOT Region One Center, One Graduate Student Fellowship, 9/1/95 - 10/1/96.

Principal Investigator, University of Massachusetts Faculty Travel Grant, July 1995.

Principal Investigator, University of Massachusetts Faculty Research Initiation Grant, 01/01/94 - 01/01/95.

Co-Principal Investigator (with Profs. John Collura and Paul Shuldiner), "Advanced Public Transportation Systems Training for Regional and Local Transportation Agencies in Small and Medium Sized Urban Areas of New England", Massachusetts Institute of Technology, 10/1/94 - 10/1/95.

Co-Principal Investigator (with Prof. John Collura), "Assessing the Impact of Telecommunications in Massachusetts", funded by the Massachusetts Energy Commission, 11/1/94 - 7/1/95.

Faculty Associate, "Research and Curriculum Development in Intelligent Transportation Systems", funding approved by NSF, 1/1/96 - 1/1/99, Co-Principal Investigators: Profs. John Collura and David Kaufman.

Faculty Associate, "Major Transportation Investment Studies", Massachusetts Highway Department, 3/1/95 - 3/1/96, Principal Investigator: Prof. John Collura.

Faculty Associate, "Assessment of *SP Program", funded by the Massachusetts Highway Department, 9/1/93 - 1/1/95, Principal Investigator: Prof. John Collura.