I-70 Denver

Denver, Colorado

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I-70 Denver school cap
A rendering of the four-acre park above I-70. Source: CDOT.
Top photo: I-70 today. Source: CDOT.

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I-70 St. Louis

St. Louis, Missouri

When I-70 divided the city of St. Louis from the Mississippi riverfront in 1964, it devastated the vitality of the downtown area and isolated one of the most iconic architectural treasures in the United States, the Gateway Arch, from the city.


The Big Dig

Boston, Massachusetts

When Boston opened the Central Artery highway in 1959, it effectively serviced an estimated 75,000 vehicles daily.


Georgia & Dunsmuir Viaducts

Vancouver, Canada

In 1915, the elevated freeway, the Georgia Viaduct, was built to circumvent the tidal waters, rail lines and industries below.