Mid-Michigan Railroad
| Overview | |
|---|---|
| Parent company | Genesee and Wyoming | 
| Headquarters | Muskegon, Michigan | 
| Reporting mark | MMRR | 
| Locale | Michigan | 
| Dates of operation | 1987– | 
| Predecessor | CSX Transportation | 
| Technical | |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge | 
| Length | 30 mi (48 km) | 
| Other | |
| Website | Official website | 
The Mid-Michigan Railroad (reporting mark MMRR) is a railroad owned by Genesee & Wyoming. It operates 30 miles (48 km) of track in Michigan.