Maryland Code, Local Government § 12-538

(1) vehicle weight;

(2) vehicle parking;

(3) vehicle abandonment;

(4) building or maintenance by a private or public utility necessary for the performance of the utility's purpose;

(5) building or maintenance of driveway connections where connections are provided; and

(6) vehicle speed.

(b)(1) This subsection applies to roads proposed for subdivisions, including sidewalks, curbs and gutters, driveway entrances, and storm drainage facilities and appurtenances to be located in the subdivision.

(2) The County Commissioners of St. Mary's County shall enact, by ordinance, rules and regulations that govern the grading, building, improving, maintaining, and repairing of roads, used or intended for use by the public.

(1) engineering;

(2) construction; and

(3) acceptance of the road, sidewalk, curb, gutter, or storm drainage facility into the county roads system.