StacksVerified U.S. regulatory reference

49 CFR §230.81

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)General provisions. Cab aprons shall be of proper length and width to ensure safety. Cab aprons shall be securely hinged, maintained in a safe and suitable condition for service, and roughened, or other provision made, to afford secure footing.
  2. (b)Width of apron. The cab apron shall be of a sufficient width to prevent, when the drawbar is disconnected and the safety chains or the safety bars are taut, the apron from dropping between the steam locomotive and tender.