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I-375 is a 1.06-mile spur that pierces Detroit's downtown. Begun in 1959, this 4-lane, below-grade freeway disconnected Detroit's Riverfront, Greektown, Eastern Market, and Stadium districts.
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Before the highway boom of the 1950s and 60s, a quiet tree-lined boulevard named East Avenue marked the eastern boundary of a connected downtown grid, and existed in the footprint of what is now Interstate 35 (I-35).