What does FRR mean in Railroads?
This page is about the meanings of the acronym/abbreviation/shorthand FRR in the Regional field in general and in the Railroads terminology in particular.
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FRR also stands for:
- Facility Risk Rating
- False Rejection Rate
- Fast Reroute
- Fast Retransmit and Recovery
- Federația Română de Radioamatorism
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