 | |
 | |
| Agency overview | |
|---|---|
| Formed | July 1, 1971 (1971-07-01) |
| Jurisdiction | State of Maryland |
| Headquarters | 7201 Corporate Center Drive Hanover, Maryland, U.S. |
| Employees | 11,000 (FY 2021)[1] |
| Annual budget | $5.5 billion annual budget (FY 2021)[1] |
Agency executives |
|
Parent agency | State of Maryland |
| Website | mdot |
The Maryland Department of Transportation (MDOT) is an organization comprising five business units and one Authority:[2]
- Maryland Transportation Authority (Transportation Secretary serves as chairman of the Maryland Transportation Authority)
- Maryland Transit Administration
- Maryland Port Administration
- State Highway Administration
- Maryland Motor Vehicle Administration
- Maryland Aviation Administration
Secretaries of Transportation
- 2025–present, Kathryn B. "Katie" Thomson[3]
- 2025, Samantha Biddle (Acting Secretary)[4]
- 2023–2025, Paul Wiedefeld[5][6]
- 2022–2023, James F. Ports Jr.[7][8]
- 2020–2022, Gregory I. Slater[9][10]
- 2015–2020, Pete K. Rahn[11]
- 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[11]
References
- "Maryland Department of Transportation FY 2020-2025 Consolidated Transportation Program". Maryland Department of Transportation. Archived from the original on July 4, 2020. Retrieved July 9, 2020.
- "Maryland Department of Transportation (MDOT official website)". Retrieved January 13, 2022.
- Ibrahim, Mennatalla (December 18, 2025). "Moore taps former FAA official Kathryn Thomson as acting MDOT secretary". The Baltimore Sun. Retrieved December 18, 2025.
- Sears, Bryan P. (July 9, 2025). "Wiedefeld leaving MDOT, search for new transportation secretary begins". Maryland Matters. Retrieved July 9, 2025.
- "Transportation Acting Secretary Paul J. Wiedefeld - MDOT". Maryland Department of Transportation. Retrieved February 10, 2023.
- "Paul J. Wiedefeld, Maryland Secretary of Transportation". Maryland Manual On-Line. Maryland State Archives. Retrieved February 10, 2023.
- "Transportation Secretary James F. Ports, Jr. - MDOT". Maryland Department of Transportation. Retrieved January 13, 2022.
- "James F. Ports, Jr., Maryland Secretary of Transportation". Maryland Manual On-Line. Maryland State Archives. January 11, 2022. Retrieved January 13, 2022.
- "Transportation Secretary Gregory Slater - MDOT". Maryland Department of Transportation. Archived from the original on December 17, 2021. Retrieved January 1, 2022.
- "Gregory I. Slater, Maryland Secretary of Transportation". Maryland Manual On-Line. Maryland State Archives. January 12, 2022. Retrieved January 13, 2022.
- "Maryland Departments - Former Secretaries". Maryland Manual On-Line. Maryland State Archives. January 11, 2022. Retrieved January 13, 2022.
External links