Maryland Transportation Section 8-716

      The Administration may not issue a permit under this part for any outdoor sign if:

            (1)      The area of its advertising surface, as required to be specified in the application, exceeds 1,000 square feet;

            (2)      It might affect adversely the safety of public travel on any State highway by dangerously obstructing the clear view of the highway by the driver of a motor vehicle on it;

            (3)      It is lighted in a way that makes it dangerous to drive a motor vehicle on a State highway; or

            (4)      It is located, as to any intersection at grade of a State highway with another highway or with a railroad:

                  (i)      At any point where it obstructs or interferes with the view of a train or other vehicle approaching the intersection; or

                  (ii)      At any other point where it is dangerous to the public in any way.