Maryland Department of Transportation

• 2025–present, Kathryn B. "Katie" Thomson • 2025, Samantha Biddle (Acting Secretary) • 2023–2025, Paul Wiedefeld • 2022–2023, James F. Ports Jr. • 2020–2022, Gregory I. Slater • 2015–2020, Pete K. Rahn • 2013–2015, James T. Smith Jr. • 2012–2013, Darrell Mobley (Acting Secretary) • 2009–2012, Beverley K. Swaim-Staley • 2007–2009, John D. Porcari • 2003–2007, Robert L. Flanagan • 1999–2003, John D. Porcari • 1995–1998, David L. Winstead • 1991–1994, O. James Lighthizer • 1987–1991, Richard H. Trainor • 1984–1987, William K. Hellmann • 1981–1984, Lowell K. Bridwell • 1979–1981, James J. O'Donnell • 1977–1979, Herman K. Intemann • 1971–1977, Harry R. Hughes ==References==