Interstate 670 may refer to:
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Interstate 670 (Kansas–Missouri)
Interstate 670 (I-670) is a connector highway between I-70 in Kansas City, Kansas, and I-70 in Kansas City, Missouri. The highway provides a more direct route through Downtown Kansas City than the older mainline I-70 and avoids the sharp t ...
, a connector highway within Kansas City
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Interstate 670 (Ohio)
Interstate 670 (I-670) is an Interstate Highway in the US state of Ohio that passes through Columbus, Ohio, Columbus connecting Interstate 70 in Ohio, I-70 west of Downtown Columbus, Ohio, Downtown Columbus with Interstate 270 (Ohio), I- ...
, a spur highway connecting Columbus, Ohio, to Gahanna, Ohio
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