Current projects
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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
Evaluation of Thick Lift Asphalt Paving
Investigators: Gerardo Flintsch, Ph.D. (Virginia Tech Transportation Institute), A. Kazuo Kuchiishi, Ph.D., Brian K. Diefenderfer, Ph.D., 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.
Implementation of Structural Data from Traffic Speed Deflection Devices
Investigators: Gerardo Flintsch, Ph.D., Brian K. Diefenderfer, Ph.D., P.E.
Last updated: June 15, 2026
