(a) This section applies only to: (1) Allegany County; (2) Baltimore County; (3) Calvert County; (4) Carroll County; (5) Cecil County; (6) Frederick County; (7) Garrett County; (8) Harford County; (9) Howard County; (10) Montgomery County; (11) Prince George’s County; (12) St. Mary’s County; and (13) Washington County. (b) (1) Except as provided in paragraph (2) of this subsection, the governing body of a county may adopt and enforce rules and regulations relating to the maximum size and weight of motor vehicles that may be operated on county roads. (2) The governing body of a county may not set the maximum weight under paragraph (1) of this subsection at a weight greater than the maximum allowed by the public general laws of the State. (3) Rules and regulations adopted under this subsection shall: (i) have a reasonable relationship to the construction, use, and character of the road; and (ii) be designed to assure the continued safety and good condition of the road. (c) A person who violates a rule or regulation adopted under this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 60 days or a fine not exceeding $1,000.