History of I-35
About
1973-74
The upper decks are constructed from Airport Boulevard to just south of Manor Road. This marks the last major expansion of I-35 in Austin.
1962
Interstate Highway 35 officially opens as a controlled-access, 6-lane interstate highway through downtown Austin, aligned on what was formerly known as East Avenue.
1960
1958
1956
The Federal-Aid Highway Act of 1956 calls for the development of a 41,000 -mile interstate highway system and authorizes $25 billion to help built it.
1955
1954
1950
1933
East Avenue, which later becomes I-35, is paved with landscaped median islands. The roadway was reported to also be referred to as Calle Ancha, or “the wide street,” in Spanish.