Creek Road in 1938. Surfacing of the remainder of the relocated National Pike was delayed by World War II; construction resumed in 1946 and the new highway opened in 1948. The relocated National Pike was originally designated US 40 Alternate; the old and new roads switched to their present designations in 1952. Despite the construction of a new highway, improvements continued on the original road. Trolley tracks of the Hagerstown and Frederick Railway were removed from the highway in Funkstown and the street was resurfaced in 1940. Hill climbing lanes were added for a length of on both sides of Braddock Mountain and South Mountain around 1942. The highway between Funkstown and Boonsboro had curves modified and was widened and resurfaced in 1949. US 40 Alternate from US 40 in Frederick west to Braddock Mountain underwent the same type of work in 1951 and 1952. Junction list See also References Work cited External links Maryland Roads - Eastern Alternate US 40 40 Alternate (Hagerstown–Frederick, Maryland) Roads in Washington County, Maryland Roads in Frederick County, Maryland 40 Alternate (Hagerstown–Frederick, Maryland) Alternate (Hagerstown–Frederick, Maryland) Hagerstown, Maryland Boonsboro, Maryland Frederick, Maryland