The following positions and administrations set forth in this chapter shall be exempt from Chapter 59 of this title:
(1) Secretary of the Department of Transportation;
(2) Director of the Transportation Authority;
(3) Director of the Division of Highways;
(4) Director of the Office of Administration;
(5) Head of the Office of Financial Management and Budget;
(6) Chiefs of such other divisions or administrations as may be established by the Secretary with the written approval of the Governor; and
(7) Head of the Office of External Affairs.
(8) Director of Division of Pre-Construction.
(9) Director of Motor Vehicles.
60 Del. Laws, c. 503, § 7; 62 Del. Laws, c. 379, § 3; 67 Del. Laws, c. 46, § 57(e); 69 Del. Laws, c. 64, § 244; 72 Del. Laws, c. 395, § 309; 74 Del. Laws, c. 110, § 133;