Md. Code, Economic Development § 13–309

(a) There is a Baltimore Region Transportation Board.

(b) The Board serves as the metropolitan planning organization for federal funding and certification as required by federal law.

(c) The Board consists of:

(1) the Mayor of the City of Annapolis;

(2) the County Executive of Anne Arundel County;

(3) the Mayor of Baltimore City;

(4) the County Executive of Baltimore County;

(5) the President of the Carroll County Commissioners;

(6) the County Executive of Harford County;

(7) the County Executive of Howard County;

(8) the Secretary of Transportation;

(9) the Secretary of the Environment;

(10) the Secretary of Planning; and

(11) as authorized under 23 U.S.C. §§ 134 and 135:

(i) the chief executive officer or president of the board of commissioners of any other jurisdiction; and

(ii) the secretary or chief appointed official of any other unit of State government.