DE 62 was assigned to its current alignment by 1981.
In 1939, Route 98 moved to its current alignment; it has not changed since.
DE 23 was assigned onto its current alignment by 1994.
DE 24 was assigned onto its current alignment by 1936.
DE 37 was assigned to its current alignment by 1985.
Since then, the road has existed on its current alignment.
The highway was moved to its current alignment in 1952.
It was moved onto its current alignment in the late 1930s.
It was moved onto its current alignment in the mid-1960s.
DE 58 was designated onto its current alignment in 1985.