Md. Code, Local Government § 12–503

(a) This section applies to all counties, except Baltimore City.

(b) The governing body of a county has control over county roads.

(c) The governing body of a county may appoint:

(1) road supervisors; and

(2) civil engineers to oversee the grading, construction, and repair of

county roads.

(d) A civil engineer appointed in accordance with subsection (c) of this

section shall:

(1) hold office for a term, with a salary, under a bond, and subject to

regulations of the governing body calculated to secure competent officers and a

faithful discharge of duty; and

(2) direct and manage the grading, construction, and repair of county

roads.