Interstate 680 may refer to:
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Interstate 680 (California)
Interstate 680 (I-680) is a north–south auxiliary Interstate Highway in Northern California. It curves around the eastern cities of the San Francisco Bay Area from San Jose to I-80 at Fairfield, bypassing cities along the eastern shor ...
, a connecting freeway between I-80 and I-280 in the San Francisco Bay Area, California
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Interstate 680 (Nebraska–Iowa)
Interstate 680 (I-680) in Nebraska and Iowa is the northern bypass of the Omaha–Council Bluffs metropolitan area. I-680 spans from its southern end in western Omaha, Nebraska, to its eastern end near Crescent, Iowa. The freeway passes ...
, a bypass in Omaha, Nebraska
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Interstate 680 (Ohio)
Interstate 680 (I-680) in the US state of Ohio is an auxiliary Interstate Highway passing through Youngstown, Ohio, Youngstown. Its northern terminus is at Interstate 80 in Ohio, I-80, and its southern terminus is at Interstate 76 in Ohio, ...
, a loop through Youngstown, Ohio
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Interstate 676
Interstate 676 (I-676) is an Interstate Highway that serves as a major thoroughfare through Center City Philadelphia, where it is known as the Vine Street Expressway, and Camden, New Jersey, where it is known as the northern segment of the ...
in Pennsylvania and New Jersey, designated as Interstate 680 back when I-76 was I-80S
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