
Technical Advisory Committee Members
Alaska DOT and Public Facilities
Marcus Zimmerman
Chief of Maintenance and Operations
Arizona Department of Transportation
Kevin Duby
Statewide Road Weather Manager

Caltrans
John Oliva
Winter Operations Manager
Colorado Department of Transportation
Jamie Yount
Winter Operations Program Manager
Connecticut Department of Transportation
Aidan Neely
Planner 3, Highway Operations
Delaware Department of Transportation
Alastair Probert
Maintenance Engineer
Idaho Transportation Department
Steve Spoor
Maintenance Services Manager
Illinois Department of Transportation
Laura Shanley
Maintenance Support Engineer
Indiana Department of Transportation
Jeremy McGuffey
Statewide Winter Operations Manager

Iowa Department of Transportation
Craig Bargfrede
Winter Operations Administrator
Kansas Department of Transportation
Clay Adams
Director of Field Operations
Kentucky Transportation Cabinet
Randi Feltner
Statewide Snow and Ice Coordinator
Maine Department of Transportation
Chris Landry
State Traffic Engineer
Maryland Department of Transportation
Scott Simons
Maintenance Quality Assurance Team Leader

Massachusetts Department of Transportation
Mark Goldstein
Lead State Snow & Ice Engineer

Michigan Department of Transportation
Justin Droste
Region Support Engineer, TSMO Division
Minnesota Department of Transportation (lead state)
Tom Peters
Research & Training Engineer, Office of Maintenance
Missouri Department of Transportation
Paul Denkler
Maintenance Liaison
Montana Department of Transportation
Douglas McBroom
Operations Manager, Maintenance Division
Nebraska Department of Transportation
Mike Mattison
Winter Maintenance Engineer
Nevada Department of Transportation
John Angel
Assistant District Engineer, District II Maintenance
New Hampshire Department of Transportation
David Gray
Winter Maintenance Program Specialist
New York State Department of Transportation
Joe Thompson
Snow and Ice Program Manager
North Dakota Department of Transportation
Brad Darr
Statewide Maintenance Engineer
Ohio Department of Transportation
Scott Lucas, Clear Roads TAC Vice Chair
State Snow and Ice Coordinator
Oklahoma Department of Transportation
Alex Calvillo
Assistant State Maintenance Manager
Oregon Department of Transportation
Patti Caswell, Clear Roads TAC Chair
Maintenance Environmental Manager
Pennsylvania Department of Transportation
Dan Whetzel
Division Chief, Maintenance and Technical Leadership
Rhode Island Department of Transportation
Matthew Ouellette
Deputy State Highway Maintenance Operations Engineer
South Dakota Department of Transportation
Danny Varilek
Winter Maintenance Engineer
Texas Department of Transportation
James Stevenson
Director, Maintenance Division
Utah Department of Transportation
Jessica Andrews
Maintenance Methods Engineer
Vermont Agency of Transportation
Todd Law
Deputy Director, District Maintenance and Fleet Division
Virginia Department of Transportation
AJ Younes
Contract Analyst / Severe Weather Team
Washington State Department of Transportation
James Morin
Maintenance & Operations Branch Manager
West Virginia Department of Transportation
Jeff Pifer
Director, Equipment Division
Wisconsin Department of Transportation
Emil Juni
Winter Maintenance Engineer
Wyoming Department of Transportation
Cliff Spoonemore
Maintenance Staff Engineer, Field Operations
Partners
FHWA
Tony Coventry
AASHTO (SICOP)
Rick Nelson
SICOP Coordinator

American Public Works Association (APWA)
Kevin Hensley
APWA Liaison

Norwegian Public Roads Administration
Øystein Larsen