[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR224.3] [Page 322] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 224_REFLECTORIZATION OF RAIL FREIGHT ROLLING STOCK--Table of Contents Subpart A_General Sec. 224.3 Applicability. 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: (a) Freight rolling stock that operates only on track inside an installation that is not part of the general railroad system of transportation; (b) Rapid transit operations in an urban area that are not connected to the general railroad system of transportation; or (c) Locomotives and passenger cars used exclusively in passenger service.