Maryland Statutes
Subtitle 5 - Driving Livestock on Improved Highways
Section 3-502 - Attendants

(a)    No person may permit a herd of livestock upon any improved highway of the State unless the herd is attended by competent persons.
    (b)    At least one attendant shall precede the herd at a distance of not more than 100 yards, and there shall be a driver not more than 100 yards in the rear of the herd.