Ryan Griffith

Clark Graves PhDPE

Sr. Associate Director


(859) 257-7388

Dr. Graves is the Associate Director of the Kentucky Transportation Center and has more than 30 years of experience in transportation research and education. In his current role as associate director, he oversees research in the areas of Pavement Materials and Geotech, Bridge Preservation, Structures, and Construction Management. Dr. Graves has developed expertise and conducted research in pavement design, evaluation, and maintenance and rehabilitation; non-destructive evaluation of pavement structures; pavement materials characterization and evaluation of pavement construction techniques; analysis of traffic characteristics; construction delay analysis and user cost analysis; evaluation of highway drainage systems; pavement type selection policy; evaluation of alternate bidding procedures; and  structural monitoring and instrumentation. Dr. Graves has worked with the Southeast Transportation Consortium to put the use of Warm Mix Asphalt into practice and he is active in various national organizations, including the Transportation Research Board, several FHWA and AASHTO oversight groups and technical working groups and is also past President and Vice President of the American Road and Transportation Builders Association (ARTBA) Research and Education Division. Dr. Graves holds a Bachelor’s, Master’s, and a PhD in Civil Engineering from the University of Kentucky. He is a Professional Engineer and a Professional Geologist in the state of Kentucky.

The Kentucky Transportation Center


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