The Maryland Department of Transportation (MDOT) is an organization comprising five business units and one Authority:
Secretaries of Transportation
- 2025âÂÂpresent, Kathryn B. "Katie" Thomson
- 2025, Samantha Biddle (Acting Secretary)
- 2023âÂÂ2025, Paul Wiedefeld
- 2022âÂÂ2023, James F. Ports Jr.
- 2020âÂÂ2022, Gregory I. Slater
- 2015âÂÂ2020, Pete K. Rahn
- 2013âÂÂ2015, James T. Smith Jr.
- 2012âÂÂ2013, Darrell Mobley (Acting Secretary)
- 2009âÂÂ2012, Beverley K. Swaim-Staley
- 2007âÂÂ2009, John D. Porcari
- 2003âÂÂ2007, Robert L. Flanagan
- 1999âÂÂ2003, John D. Porcari
- 1995âÂÂ1998, David L. Winstead
- 1991âÂÂ1994, O. James Lighthizer
- 1987âÂÂ1991, Richard H. Trainor
- 1984âÂÂ1987, William K. Hellmann
- 1981âÂÂ1984, Lowell K. Bridwell
- 1979âÂÂ1981, James J. O'Donnell
- 1977âÂÂ1979, Herman K. Intemann
- 1971âÂÂ1977, Harry R. Hughes
References
External links