Interstate 675 (Michigan)
The 7.72 mile Interstate 675 in Michigan is a loop route through downtown Saginaw as I-75 passes on the east side of the city.
| Three-digit Interstates from Interstate 75 | |
| I-175 | Florida |
| I-275 | Florida – Indiana/Kentucky/Ohio – Michigan – Tennessee |
| I-375 | Florida – Michigan |
| I-475 | Georgia – Ohio – Michigan |
| I-575 | Georgia |
| I-675 | Georgia – Michigan – Ohio |
| past/ future | I-175: Georgia – Kentucky/Tennessee – I-475: Georgia – Tennessee – I-875: Indiana/Kentucky/Ohio |