StacksVerified U.S. regulatory reference

49 CFR §213.123

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)In Classes 3 through 5 track where timber crossties are in use there shall be tie plates under the running rails on at least eight of any 10 consecutive ties.
  2. (b)In Classes 3 through 5 track no metal object which causes a concentrated load by solely supporting a rail shall be allowed between the base of the rail and the bearing surface of the tie plate. This paragraph (b) is applicable September 21, 1999.)