 MD 24 and MD 165 were moved to their present corridors north of Bush's Corner in 1933.The portion of MD 165 from its southern terminus at the Maryland and Pennsylvania Railroad north to the MD 145 intersection was built as a concrete road in 1926 and 1927 as part of the highway between Cockeysville and Baldwin.MD 165 was constructed north from Jarrettsville starting in 1924; the concrete highway reached Federal Hill in 1927.