 The route was renumbered in 1933 as Route 207, which itself had been a previous designation of part of what is now Route 24 near Roanoke.In addition to the current path of Route 207, the 1933 route included what is now Route 639 in Caroline County from Chilesburg to Ladysmith but this was renumbered as Route 229 by 1937.The route was enlarged by 1937 with the addition of a second section running from a point east of Bowling Green through Port Royal to an intersection with State Route 3 at Office Hall.