Maryland Transportation Section 21-807

      In each charge of a violation of any speed regulation under the Maryland Vehicle Law, the charging document shall specify:

            (1)      The speed at which the defendant is alleged to have driven;

            (2)      If the charge is for exceeding a maximum lawful speed, the maximum speed limit applicable at the location; and

            (3)      If the charge is for driving below a minimum lawful speed, the minimum speed limit applicable at the location.