Most Renumbered stretch of highway

[KeithE4Phx]

Grand Ave. between Phoenix and Wickenburg AZ:

1926:  US 280 (Proposed).  Shown on some maps, but never signed AFAIK.
1927:  US 89 first signed.
1934:  US 60/89.  US 60 enters Arizona, and is co-signed with US 89 through the Phoenix area.
1935:  US 60/70/89.  US 70 is added to the mix, co-signed with US 60 from Globe to Los Angeles.
1946:  US 60/70/89/AZ 93.  AZ 93 was commissioned.
1969:  US 60/89/AZ 93.  US 70 was cut back to Globe.
1991:  US 60/89.  AZ 93 was decommissioned.
1993:  US 60.  US 89 was decommissioned south of Flagstaff, changed to AZ 89 between Ash Fork and Wickenburg.
20??:  I-11/US 60?  Grand Ave from Wickenburg to Loop 303 in Surprise is a proposed routing.

[Mapmikey]

Occoquan Rd in Woodbridge VA:

1918-23: VA 1
1923-25: VA 31
1926: US 1 (preliminary), VA 31
1926-28: VA 315
1928-33: VA 25
1933-40: VA 9
1940-67: VA 123
1967-98: VA 253
since 1998: SR 906

[jp the roadgeek]

I-84 between Manchester and Willington, CT (current Exits 60-69)

1940-1958: CT 15 / US 44
1958-1968: I-84 / CT 15 / US 44
1968-1980: I-86 / CT 15 / US 44
1980-1982 : I-86 / US 44
1982-1984: I-86
1984-present: I-84