Projects | Virginia Transportation Research Council

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Graphical Changeable Message Signs: Strategies, Impacts, and Best Practices

Investigators: Yi-Ching Lee, George Mason University, Chien-Lun Lan, Ph.D.

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Synthesis of VDOT Historic Bridge Survey, Review, and Management Information

Investigators: Ann B. Miller

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Field Performance Assessment of Chip Seals with Updated Chip Seal Specification and Fog Seal Treatment

Investigators: Ilker Boz, Ph.D., P.E.

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Local Calibration of AASHTOWare-ME Towards VDOT MEPDG Upgrade to Web-Based Version for New Pavement Design

Investigators: Mesbah Ahmed, Elizabeth Turochy, Harikrishnan Nair, Ph.D., P.E.

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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.

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Evaluation of Cement Treated Aggregate (CTA) and Full-Depth Reclamation (FDR) In-Service Performance and Pavement Design Inputs

Investigators: Brian K. Diefenderfer, Ph.D., P.E., M. Shabbir Hossain, Ph.D., P.E.

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Use of Carbonate Aggregates in Pavement Preservation Treatments

Investigators: Ilker Boz, Ph.D., P.E.

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Verifying the Indirect Tensile at High Temperature (IDT-HT) Test Performance Criterion: A Multi-scale Investigation Integrating Laboratory, Full-Scale Accelerated Pavement Testing, and Field Evaluations

Investigators: Kazuo Kuchiishi, Ph.D.

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Implementation of Multimodal Innovations: Crosswalk Lighting, Rectangular Rapid Flashing Beacons (RRFB), LED-embedded Advance Warning Signs, and Passive Automated Detection

Investigators: Lance E. Dougald, Peter B. Ohlms, AICP

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Last updated: February 20, 2026