Maryland Code, Transportation § 6-309

(b)(1) The Administration may not acquire any interest in land or improvements on land in Anne Arundel County without the prior approval of the county, given after a public hearing.

(2) This subsection does not affect the right of the Administration to acquire an option for later acquisition of the property or improvements once the approval required by this subsection is obtained.

(3) If the Administration makes a written request for approval of the county, the approval required by this subsection is deemed to be given unless the Administration is notified in writing to the contrary within 90 days after it makes the request.