U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
This subpart prescribes minimum requirements for ballast, crossties, track assembly fittings, and the physical conditions of rails.
Regulations most recently checked for updates: Aug 28, 2025
This subpart prescribes minimum requirements for ballast, crossties, track assembly fittings, and the physical conditions of rails.