StacksVerified U.S. regulatory reference

49 CFR §224.3

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
This part applies to all railroad freight cars and locomotives that operate over a public or private highway-rail grade crossing and are used for revenue or work train service, except:
  1. (a)Freight rolling stock that operates only on track inside an installation that is not part of the general railroad system of transportation;
  2. (b)Rapid transit operations in an urban area that are not connected to the general railroad system of transportation;
  3. (c)Locomotives and passenger cars used exclusively in passenger service;
  4. (d)Freight rolling stock that is subject to a reflectorization requirement promulgated by another Federal agency; or
  5. (e)Freight rolling stock used for only for tourist, historic, excursion, educational, recreational, or private purposes, except for incidental freight service.