Md. Code, Local Government § 12–504

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

(b) This section does not apply to a public road in a municipality.

(c) The governing body of a county:

(1) may open, alter, or close a county road;

(2) has control over and may adopt rules and regulations for work on

county roads; and

(3) may pay the cost of work on county roads.

(d) (1) The governing body of a county may regulate, by resolution:

(i) vehicle parking on county roads; and

(ii) the construction, maintenance, repair, and cleaning of

sidewalks.

(2) A county shall provide for public notice of the regulations on

vehicle parking.

(e) (1) Except as provided in paragraph (2) of this subsection, a person

who violates a resolution adopted under this section is guilty of a misdemeanor and

on conviction is subject to a fine not exceeding $100.

(2) In Calvert County, a person who violates a resolution adopted

under this section is guilty of a misdemeanor and on conviction is subject to a fine not

exceeding $500.