Maryland Transportation Section 8-322

      (a)      The plats and estimates approved by the Commission shall be kept as part of the permanent records of the Commission.

      (b)      Notwithstanding any other statute to the contrary:

            (1)      Except as permitted by the Commission, the plats prepared by the Administration are not public information or open to public inspection until they have been recorded; and

            (2)      Except when filed with a board of property review or a court, the estimates prepared by the Administration are not public information or open to public inspection until all the property shown on the plats has been acquired or its price determined.