Road Research

NRRA Rigid Team

Orange barrels on a highway

Rigid Team Members

Agency Members

Duane Carlstrom--North Dakota Department of Transportation
John Donahue--Missouri Department of Transportation
Dulce Rufino Feldman-- Caltrans – California Department of Transportation
Chad Hayes-- Wisconsin Department of Transportation
Bernard Izevbekhai-- Minnesota Department of Transportation
Peter Kemp-- Wisconsin Department of Transportation
James Krstulovich-- Illinois Department of Transportation
David Lim - Caltrans – California Department of Transportation
Leo Mahserelli-- Caltrans – California Department of Transportation
Maria Masten-- Minnesota Department of Transportation
TJ Murphy--North Dakota Department of Transportation
John Staton-- Michigan Department of Transportation
Brett Trautman (Chair)-- Missouri Department of Transportation
Charles Wienrank-- Illinois Department of Transportation

Associate Members


Tumer Akakin--Aggregate & Ready Mix Association of Minnesota
Manik Barman-- University of Minnesota - Duluth
Kaye Bieniek-- Minnesota Local Road Research Board – Olmstead County
John Cunningham-- Aggregate & Ready Mix Association of Minnesota
Ashish Gandhi--Owens Corning
Jake Hiller--Michigan Tech Transportation Institute
Terry Kraemer-- Diamond Surface, Inc
Rita Lederle--University of St. Thomas
Angel Mateos -- University of California Pavement Research Center
Kevin W. McMullen, Wisconsin Concrete Pavement Association
Soheil Nazarian, Univ. of El Paso, Center for Transportation Infrastructure Systems
Luke Pinkerton--Helix
Dr. Michael Radler--Dow Chemical
Larry Scofield-- International Grooving and Grinding Association
Peter Taylor-- Iowa State University
Derek Tompkins, American Engineering Testing
Julie Vandenbossche--University of Pittsburgh
Matt Zeller--Concrete Paving Association

Friends & Supporting Staff

Amy Beise, North Dakota Department of Transportation
Tom Burnham, Minnesota Department of Transportation
Kevin Kliethermes, FHWA
Joe Korzilius, SRF Consulting
Renae Kuehl, SRF Consulting
Matt Luger, North Dakota Department of Transportation
Justin Oss, North Dakota Department of Transportation
Clayton Schumaker, North Dakota Department of Transportation
Ben Worel, Minnesota Department of Transportation