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

Jason Blomberg-- Missouri Department of Transportation
Melissa Cole--Minnesota Department of Transportation
Ron Jones, Caltrans
Eddie Johnson--Minnesota Department of Transportation
Kevin Kliethermes--FHWA
Joe Korzilius, SRF Consulting
Renae Kuehl, SRF Consulting
Matt Mastel, North Dakota 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