 MD 80's present alignment west of the Monocacy River was constructed between 1973 and 1975.The old road, now named Michaels Mill Road, was redesignated MD 880 and remained in the state highway system until 2008.Reconstruction of MD 80 through Urbana began shortly before 2000; that year, relocation of MD 80 as a four-lane divided highway from I-270 to MD 355 was completed, including the roundabout at Sugarloaf Parkway.