StacksVerified U.S. regulatory reference

49 CFR §213.53

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Gage is measured between the heads of the rails at right-angles to the rails in a plane five-eighths of an inch below the top of the rail head.
  2. (b)Gage shall be within the limits prescribed in the following table—