Graphical Changeable Message Signs: Strategies, Impacts, and Best Practices
Investigators: Yi-Ching Lee, George Mason University, Chien-Lun Lan, Ph.D.
Utilizing Big Data to Verify and Enhance Route Choice Models in Travel Demand Modeling
Investigators: Shanjiang Zhu, George Mason University, Chenfeng Xiong, Villanova University, John S. Miller, Ph.D., P.E.
Characterizing and Improving Binder Availability and Activity in Asphalt Mixtures with Reclaimed Asphalt Pavement (RAP)
Investigators: Cassie Castorena, Benjamin Shane Underwood, Ilker Boz, Ph.D., P.E., Kazuo Kuchiishi, Ph.D.
Resiliency Assessment of Flood Damage in Pavements
Investigators: Benjamin Bowers, Auburn University, Don Guy, Auburn University, Harikrishnan Nair, Ph.D., P.E., M. Shabbir Hossain, Ph.D., P.E.
Long-Term Maintenance Needs and Costs of Green-Colored Pavement Markings and Flexible Post Delineators
Investigators: T. Donna Chen, Janna Brown, Peter B. Ohlms, AICP
Analysis of 2018-2024 Network Level Pavement Structural Testing with the TSD
Investigators: Samer Katicha, Gerardo Flintsch, Brian K. Diefenderfer, Ph.D., P.E.
Best Practices for Local Reviews of Industrial Developments
Investigators: Jessica Nothstine, Lance E. Dougald
Multi-Use Trail Evaluation Tool for VDOT State Trails Office
Investigators: Donna Chen, Avi Hoen, Audrey K. Moruza, Yiqing Xu, Ph.D.
Developing Guidelines for Context Specific Crosswalk Design
Investigators: T. Donna Chen, Afrida Raida, Erin Robartes, Ph.D.
Evaluation of Thick Lift Asphalt Paving
Investigators: Gerardo Flintsch, Ph.D., Virginia Tech Transportation Institute, Brian K. Diefenderfer, Ph.D., P.E., Kazuo Kuchiishi, Ph.D.
Evaluation of Moisture Susceptibility of Full-Depth Reclamation (FDR) Mixes
Investigators: Benjamin Bowers, Ph.D., Auburn University, Brian K. Diefenderfer, Ph.D., P.E., Ilker Boz, Ph.D., P.E.
Documentation of 2024 Balanced Mix Design Implementation
Investigators: Bryan Smith, Candice Entwistle, Stacey D. Diefenderfer, Ph.D., P.E.
Phase II: Google Earth/Street Level Imagery for Rock Cut Slope Inventory and Rockfall Hazard Rating
Investigators: Yonathan Admassu, James Madison University, M. Shabbir Hossain, Ph.D., P.E.
Identifying Road Segments that Bisect Predicted Movement Corridors for Small Priority Species in Virginia
Investigators: Thomas Akre, Ph.D, Grant Connette, Ph.D., David Luther, Ph.D., Bridget M. Donaldson
Use and Worker Perceptions of Wearable Lighted Apparel
Investigators: Ronald Gibbons, Benjamin H. Cottrell, Jr., P.E.
Effect of Carbon-Negative Carbon Black on Concrete Properties
Investigators: Sanjeev Kumar, Ramesh Govindarajan, Gabriel Arce, Ph.D., P.E.
Identifying and Quantifying Microplastics Generated from the Roadway Environment: Method Development and Preliminary Field Monitoring
Investigators: James A. Smith, Nkosinobubelo Ndebele, Lewis N. Lloyd, P.E.
Evaluating the Feasibility and Benefit on Impervious Layer Inclusion Above Ground Water Table (GWT)
Investigators: Dr. Burak F. Tanyu, George Mason University
Efficacy and Safety of Combining Heat Induction and Laser Ablation for the Removal of Potentially Hazardous Bridge Coatings
Investigators: Sean Agnew, James Fitz-Gerald, James S. Gillespie, Jason T. Provines, P.E., Stephen R. Sharp, Ph.D., P.E.
An Analysis of VDOT's Sight Distance Requirements Relative to Context-Sensitive Designs
Investigators: T. Donna Chen, Lance E. Dougald
Evaluation of a Driver Alerting System for a Truck Mounted Attenuator
Investigators: Ronald Gibbons, Benjamin H. Cottrell, Jr., P.E.
Addressing Fly Ash Shortage with Limestone Calcined Clay Cement
Investigators: Lisa Colosi Peterson, Osman Ozbulut, Amir Behravan, Ph.D., P.E., Gabriel Arce, Ph.D., P.E.
Increasing Service Lives of Full Depth Reclamation Treatments
Investigators: Gerardo Flintsch, Brian K. Diefenderfer, Ph.D., P.E., Harikrishnan Nair, Ph.D., P.E.
Evaluation of Structural Adhesives as "Steel Grouting" in Steel Bridge Repairs
Investigators: Jose Gomez, Osman Ozbulut, Jason T. Provines, P.E.
Analysis of the Poplar Creek Box Culverts
Investigators: Eric Jacques, Alba Yerro-Colom, Ioannis Koutromanos, Edward J. Hoppe, Ph.D., P.E.
Implementation of Structural Data from Traffic Speed Deflection Devices
Investigators: Gerardo Flintsch, Ph.D., Brian K. Diefenderfer, Ph.D., P.E.
Data-Driven Decision-Making Framework for Inspection of Bridge Decks
Investigators: Richard Weyers
Business Impacts of Access Changes
Investigators: James S. Gillespie
Improved Beam End Reinforcement Details for PCBTs with Debonded and/or Draped Strands
Investigators: Carin Roberts-Wollmann, Bernard L. Kassner, Ph.D., P.E.
I-64 Recycled Pavement Monitoring
Investigators: Gerardo Flintsch, Brian K. Diefenderfer, Ph.D., P.E., Ilker Boz, Ph.D., P.E.
Design of Continuity Diaphragms Following New AASHTO Provisions
Investigators: Carin Roberts-Wollmann, Ioannis Koutromanos, Bernard L. Kassner, Ph.D., P.E.
Mechanistic-Based Evaluation of Performance Thresholds for Engineered Surface Asphalt Mixtures
Investigators: Benjamin Shane Underwood, Ilker Boz, Ph.D., P.E., Stacey D. Diefenderfer, Ph.D., P.E.
Improving Safety Service Patrol Performance
Investigators: Mecit Cetin, Hong Yang, Sherif Ishak, Noah J. Goodall, Ph.D., P.E.
Development of Design Recommendations for Non-Contact, Hooked Bar Lap Splices for Large Reinforcing Bars
Investigators: Carin Roberts-Wollmann, Eric Jacques, Bernard L. Kassner, Ph.D., P.E.
Behavior of the Expanded Polystyrene (EPS) Elastic Inclusion at Integral Abutments
Investigators: Burak Tanyu, Erol Guler, Edward J. Hoppe, Ph.D., P.E.
Pavement Structural Evaluation with Traffic Speed Deflection Devices (TSDDs) Pooled Fund Study TPF5-385
Investigators: Gerardo Flintsch, Samir Katicha, Brian K. Diefenderfer, Ph.D., P.E.
Pavement Friction Management Program Implementation (Phase 3) - District-Level Deploymen
Investigators: Edgar de Leon Izeppi, Gerardo Flintsch, Kevin B. Wright
FHWA Climate Challenge
Investigators: Gerardo Flintsch, Eugene Amarh, Samer Katicha, Brian K. Diefenderfer, Ph.D., P.E., Harikrishnan Nair, Ph.D., P.E.
Ruggedness Study of Specimen Preparation and Fine-Tuning of Test Methods for IDT-CT and IDT-HT
Investigators: Nathan Moore, Adam Taylor, Ilker Boz, Ph.D., P.E.
Halifax County Road Orders 1752-1767
Investigators: Ann B. Miller
