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40 Years

Roxane McCaskey, Highway Division


35 Years

Claude Frazier, Carlisle garage

David Maach, Design

Kevin Martin, Information Technology Division

Jeffry McCollough, Traffic & Safety

Thomas Reis, Contracts

Cynthia Smith, Vehicle & Motor Carrier Services


30 Years

Kent Dzuris, Jefferson construction

Ronald Meyer, Bridges & Structures

Raymond Prado, Mount Pleasant construction

Renee Shirley, Finance

Lori Wilmes, Accounting


25 Years

Daryn Hamilton, District 4 field staff

David May, Support Services


20 Years

Jason Kohl, District 4 office

Debra Landuyt, General Counsel

Dawn Williams, TRACS


15 Years

Ronnie Dykstra, Altoona garage

Elizabeth Fiala, Council Bluffs driver’s service center

Jamie Hoefer, Missouri Valley garage

Robert Lehmann, Ames garage

Brian Pribyl, Traffic Operations

Daymond Wolff, Vehicle & Motor Carrier Services


10 Years

Joseph Albright, District 5 office

Craig Bargfrede, Maintenance

Wade Bartz, Traffic & Safety

Marshall Berg, Perry garage

April Concepcion, District 2 office

Jeffrey Dybvik, Systems Planning

Charles Goll, Williams garage

Thomas Hamski, Design

Carol Iske, Vehicle & Motor Carrier Services

Richard Letner, Ashton garage

Matthew Lund, Neola garage

Randy Moser, Manchester construction

Mellisa Peters, Dubuque driver’s service center

Aaron Schwarz, Cherokee construction


5 Years

Robert Deane, Support Services

Noah Diekhuis, Latimer garage

Duane Hartman, Burlington driver’s service center

Danean Johnson, Ankeny driver’s service center

Trevor Sowden, Carlisle garage

William Sutfin, Malcolm garage

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Iowa highway in the evening