Maryland Route 247 serves as a connector between Maryland Route 5 and Maryland Route 235,  where it got its alias based on a 1704 law that stated: "three notches of equal distance marked on the trees indicated a road leading to a ferry."
Known as Three Notch Road, the state highway runs 30.63 miles (49.29 km) between its southern intersection with MD 5 in Ridge and its northern intersection with MD 5 near Mechanicsville. The Patuxent Main Road later became known as the Three Notch Road based on a 1704 law that stated "three notches of equal distance marked on the trees indicated a road leading to a ferry." Known as Loveville Road, the state highway runs 2.89 miles (4.65 km) from MD 5 in Loveville north to Oakville Road in Oakville. MD 5 (Point Lookout Road)  Leonardtown, Waldorf MD 235 (Three Notch Road)  Lexington Park, Waldorf 
