In the early 1960s, the disjoint northern segment of the highway was transferred to the county and the highway's present southern terminus was established when MD 279 moved to a new alignment north of Elkton in the early 1960s.
In the early 1960s, a portion of the highway was transferred to the county, and its southern terminus was established when MD 279 shifted to a new alignment north of Elkton in the early 1960s.