Maryland Code, Transportation § 6-211

(1) Be reasonably necessary for the safety of persons and property or for the efficient operation of the port facilities;

(2) Provide for a uniform system for accessible parking for individuals with disabilities to enhance the safety of people with disabilities in conformity with the “Uniform System for Parking for Persons with Disabilities” (23 C.F.R. Part 1235) and the “Americans with Disabilities Act Accessibility Guidelines for Buildings and Facilities” (Appendix A to 28 C.F.R. Part 36 and 36 C.F.R. Part 1191.1); and

(3) Include procedures for the voluntary payment of fines directly to the Administration in uncontested parking cases.

(d)(1) Any person who violates a parking regulation adopted under this section is subject to a fine not exceeding $50. A violation of a parking regulation is not a misdemeanor.

(2) Any person who violates any other regulation adopted under this section is guilty of a misdemeanor and on conviction is subject to a fine not exceeding $500.