Counties Passed through:
In 1953, a new bypass around the south side of Hays was established by the State Highway Commission. The new bypass received the US 40 designation. The old US 40 through Hays was retained as an Alternate route.
In 1963, I-70 was designated from Ogallah to Hays. As part of the designation, the old US 40 through Hays, along with the Alternate route, was removed.