Former WisDOT secretaries
- Gus H. Bakke (August 1967 - December 1970)
- Norman M. Clapp (January 1971 – December 1974)
- Zel S. Rice II (January 1975 – June 1977)
- Dale Cattanach (July 1977 – December 1978)
- Owen Ayres (September 1981 – December 1982)
- Lowell B. Jackson (January 1979 – August 1981, January 1983 – December 1986)
- Ron Fiedler (January 1987 – December 1991)
- Chuck Thompson (January 1992 – April 2000)
- Terry Mulcahy (April 2000 – January 2002)
- Gene Kussart (January 2002 – April 2002)
- Tom Carlsen (April 2002 – December 2002)
- Frank J. Busalacchi (January 2003 – December 2010)
- Mark Gottlieb (January 2011 - January 2017)
- Dave Ross (January 2017 - December 2018)
Former Wisconsin highway commissioners and state highway engineers
State highway commissioners and state highway engineers - 1911-1943
State highway commissioners - 1945-1976