Interstate 580 (Nebraska)
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Interstate 580 (abbreviated I-580) was the designation for a 4-mile spur route in northern Omaha during the late 1970s and early 1980s. This designation was revoked when the state of Nebraska declined to upgrade the interchange with I-480 to Interstate Highway standards. The freeway is currently the route of U.S. Highway 75 and is known locally as the North Freeway.
In 2005, the Nebraska Department of Roads began a project to bring the I-480/US 75 interchange up to Interstate standards. Construction is expected to be complete in 2008. It is unknown if the North Freeway will receive an Interstate designation upon completion of the project.
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Auxiliary routes of Interstate 80 |
| I-180 | Illinois - Nebraska - Pennsylvania - Wyoming |
| I-280 | California - Illinois/Iowa - New Jersey - Ohio |
| I-380 | California - Iowa - Pennsylvania |
| I-480 | Iowa/Nebraska - Ohio |
| I-580 | California - Nevada |
| I-680 | California - Iowa/Nebraska - Ohio |
| I-780 | California |
| I-880 | California |
| I-980 | California |
| past/ future |
I-180: California - Pennsylvania - I-280: Iowa/Nebraska - Pennsylvania - I-480: California - Pennsylvania - I-580: Nebraska - I-680: Pennsylvania |
