If you have any comments, suggestions or concerns, we encourage you to contact:

Customer Service
410-865-1000

Or in writing:

Maryland Department of Transportation
7201 Corporate Center Drive
Hanover, MD 21076

Fore more information regarding the MBE/DBE Program, please call:

Office of Minority Business Enterprise
410-865-1269 or
1-800-544-6056

MDOT Departments

If you are concerned about issues of departmental nature, you can contact us at any of the following phone numbers:

Maryland Department of Transportation
In-State   410-865-1142
Toll Free  1-888-713-1414
Maryland Relay TTY   1-800-735-2258

Secretary Gregory Slater
410-865-1000

Deputy Secretary - Operations and Homeland Security
Sean Powell
410-865-1000

Deputy Secretary - Policy, Planning and Enterprise Services
R. Earl Lewis, Jr.
410-865-1000

Chief of Staff
Samantha Biddle
410-865-1011

Assistant Secretary of Operations
Mark W. Crampton
410-865-1125

Assistant Secretary for Transportation Policy and Planning
Jeffrey Hirsch
410-865-1092

Assistant Secretary
Courtney Highsmith
410-865-1118

Assistant Attorney General & Principal Counsel to the Department
Cheryl Brown-Whitfield
410-865-1109

Chief Financial Officer, Office of Finance
Jaclyn Hartman
410-865-1035

Chief Information Officer, Office of Transportation Technology Services
Ronald Brothers
410-865-1040

Director, Office of Public Affairs
Erin Henson
410-865-1025

Director, Office of Audits
Brenda Cachuela
410-865-1165

Director, Office of Procurement
Michael Zimmerman
410-865-1121

Director, Office of Environment
Dorothy Morrison
410-865-1311

Director, Office of Fleet, Facilities and Administrative Services
David M. Seman
410-865-1148

Acting Director, Office of Diversity and Equity
Dr. Janet Moye Cornick
410-865-1126

Director, Office of Human Resources
Judy Slater
410-865-1186

Director, Office of Minority Business Enterprise
Sabrina Bass
410-865-1240

Director, Office of Planning and Capital Programming
Heather Murphy
410-865-1275

Director, Office of Government Affairs
Pilar Helm
410-865-1102

Deputy Director, Bicycle and Pedestrian Access
Marty Baker
410-865-1294

Director, Office of Real Estate
Nimisha Sharma
410-865-1235

Director, Homeland Security, Emergency Management and Rail Safety
Chris Holland 
410-865-1161

MDOT Business Units

If you are concerned about matters related to:

• aviation or airport activity and/or issues;
• port activity and/or issues;
• mass transit activity and/or issues;
• motor vehicle activity and/or issues;
• state highway activity and/or issues,

you can contact us at the following email addresses:

• MDOT Maryland Aviation Administration (MDOT MAA): maa@mdot.state.md.us
• MDOT Maryland Port Administration (MDOT MPA): mpawebmaster@mdot.state.md.us
• MDOT Maryland Transit Administration (MDOT MTA): MTAInfo@mdot.state.md.us
• MDOT Motor Vehicle Administration (MDOT MVA): mvacs@mdot.state.md.us
• MDOT State Highway Administration (MDOT SHA): shaadmin@sha.state.md.us

The Maryland Transportation Authority (MDTA) is an independent agency responsible for the maintenance of toll bridges, roads and related facilities. Any questions on any of these matters should be addressed to mdta@mdtransportationauthority.com.