Minnesota Department of Transportation

511 Travel Info

Road Research

NRRA Geotechnical Team

Orange barrels on a highway

Geotechnical Team Members

Agency Members

Robert Arndorfer, Wisconsin Department of Transportation
Terry Beaudry (Chair), Minnesota Department of Transportation
Ken Darby, Caltrans – California Department of Transportation
Richard Endres, Michigan Department of Transportation
Tom Fennessey, Missouri Department of Transportation
Jeff Horsfall, Wisconsin Department of Transportation
Matt Kurle, North Dakota Department of Transportation
Deepak Maskey, Caltrans – California Department of Transportation
Kevin McLain, Missouri Department of Transportation
Heather Shoup, Illinois Department of Transportation
John Siekmeier, Minnesota Department of Transportation
Andrew Stolba, Illinois Department of Transportation
Colter Schwagler, North Dakota Department of Transportation


Associate Members

Aaron Budge, Minnesota State University Mankato
Majid Ghayoomi, University of New Hampshire
Dick Larson, First State Tire Recycling
Soheil Nazarian, Univ. of El Paso, Center for Transportation Infrastructure Systems
Matt Oman, Braun Intertec
Mike Rief, WSB & Associates, Inc
David Saftner, University of Minnesota Duluth
Dan Schellhammer, Midstate Reclamation
David White, Ingios Geotechnics, Inc.

Friends & Supporting Staff

Tim Anderson, Minnesota Department of Transportation
Bora Cetin, Iowa State University
Tuncer Edil, University of Wisconsin--Madison
Eddie Johnson, Minnesota Department of Transportation
Kevin Kliethermes, FHWA
Joe Korzilius, SRF Consulting
Renae Kuehl, SRF Consulting
Bill Likos, University of Wisconsin--Madison
Monte Nieme, First State Tire
Dave Van Deusen, Minnesota Department of Transportation
Ben Worel, Minnesota Department of Transportation