Found 5 full forms for MCRR
| Term | Full Form | Category |
|---|---|---|
| MCRR | Michigan Central Rail Road Line 
| Others |
| MCRR | Michigan Central RailRoad
| Others |
| MCRR | Monongahela Connecting Railroad
| Others |
| MCRR | Monongahela Connecting RR Company
| Others |
| MCRR | Movement Control and Readiness Reporting
| Others |