Maryland Transportation Section 5-812
§ 5-812.
  (a)   Unless a person has an appropriate permit issued by the political subdivision, the person may not, in a noise zone established under this part:
    (1)   Establish or construct any new structure;
    (2)   Make any new use of any existing structure or land; or
    (3)   Substantially alter any existing structure or use of land.
  (b)   A political subdivision may not grant a permit if the proposed action would enlarge the size of or create an impacted land use area.
  (c)   Before a political subdivision acts on any permit application, the political subdivision shall notify the Administration of the application and give the Administration an opportunity to comment.