Maryland Code, Transportation § 7-701

(a) With respect to the operation of transit service, the Administration shall comply with all laws, ordinances, and regulations of Baltimore City, Anne Arundel County, and Baltimore County as to:

(b) The Administration may not locate, construct, maintain, or operate any of its transit or related facilities in, on, over, or under any highway, bridge, or other vehicular facility or any parkway or park land without the consent of and except on the terms and conditions required by the affected local government or its agency.