Minnesota Department of Transportation

511 Travel Info

Road Research

NRRA Preventive Maintenance Team

Orange barrels on a highway

Preventive Maintenance Team Members

Agency Members

Mark Gawedzinski, Illinois Department of Transportation
Jerry Geib (Chair), Minnesota Department of Transportation
Ned Grady, Wisconsin Department of Transportation
Robert Green, Michigan Department of Transportation
Pete Kemp, Wisconsin Department of Transportation
Elliot Keyes, Minnesota Department of Transportation
Jeffery Kroner, Missouri Department of Transportation
Leo Mahserelli, Caltrans – California Department of Transportation
Doug Mason, Caltrans – California Department of Transportation
Jesse Nelson, North Dakota Department of Transportation
Phil Ruffus, Missouri Department of Transportation
Mike Shea, Missouri Department of Transportation
Stephanie Weigel, North Dakota Department of Transportation

Associate Members

Robert Betsold, All States Material Group
Brandon Brever, Minnesota Asphalt Pavement Association (MAPA)
Rod Birdsall, All States Material Group
John Brunkhorst, Minnesota Local Road Research Board - McLeod County
Eshan Dave, University of New Hampshire
Jolee Dominowski, Dow Chemical
Tyler Eckenrode, Flint Hills Resources
Andrew Hanz, Mathy Construction
Dale Heglund, North Dakota State Univ.
Buzz Powell, National Center for Asphalt Technology (NCAT)
John Roberts, International Grooving and Grinding Association
Timo Saarenketo, Roadscanners, USA
Tom Wood, WSB & Associates, Inc
Dan Wegman, Braun Intertec
Matt Zeller, Concrete Paving Association

Friends and support staff

Amy Beise, North Dakota Department of Transportation
Jason Blomberg, Missouri Department of Transportation
Melissa Cole, Minnesota Department of Transportation
Bryon Fuchs, North Dakota Department of Transportation
Ron Jones, Caltrans
Eddie Johnson, Minnesota Department of Transportation
Kevin Kliethermes, FHWA
Joe Korzilius, SRF Consulting
Renae Kuehl, SRF Consulting
Clark Moe, Minnesota Department of Transportation
Aaron Perez, North Dakota Department of Transportation
John Senger, Illinois Department of Transportation
Ben Worel, Minnesota Department of Transportation
Tom Zimmerman, Minnesota Department of Transportation