 What is now MD 194 was originally designated MD 71 . The roads commission resurfaced the turnpikes ' <unk> surface from Ceresville to Little Pipe Creek to a width of 15 feet ( 4 @.@ 6 m ) by 1926 . That same year , 1 mile ( 1 @.@ 6 km ) of concrete road was constructed north from MD 32 ( now MD 140 ) in Taneytown . In 1930 , construction began to complete the concrete road that MD 71 would follow through Carroll County . The state highway was completed in five sections from a short distance north of Big Pipe Creek to the Pennsylvania state line in 1933 . The Carroll County section of MD 71 was dedicated as Francis Scott Key Highway in 1931 . The two sections of MD 71 were separated by a county @-@ maintained segment of highway through Keymar . This gap in the state road system remained through at least 1949 . 
