This section applies only in Wicomico County. In this section, “inherently dangerous” means posing a serious risk of injury to a pedestrian, a driver or passenger in a vehicle, or other persons that cannot be mitigated with the exercise of ordinary care. Subject to paragraph (2) of this subsection, a person may not stand in a roadway, shoulder, median divider, or intersection determined by the county or a municipal corporation in the county to be inherently dangerous. The county or a municipal corporation in the county shall make a determination on whether a State roadway, shoulder, median divider, or intersection is inherently dangerous in consultation with the State Highway Administration. A police officer may not issue a citation for a violation of this section unless: The inherently dangerous roadway, shoulder, median divider, or intersection has appropriate signs installed by the county or municipal corporation that notify the public that a person may not stand in violation of this section; and The signs are installed in accordance with the manual and specifications for a uniform system of traffic control devices adopted by the State Highway Administration under § 25–104 of this article. On a State highway, the county or a municipal corporation in the county may install the signs required under paragraph (1) of this subsection only with the approval of the State Highway Administration.