[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR220.1] [Page 239] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 220--RAILROAD COMMUNICATIONS--Table of Contents Subpart A--General Sec. 220.1 Scope. This part prescribes minimum requirements governing the use of wireless communications in connection with railroad operations. So long as these minimum requirements are met, railroads may adopt additional or more stringent requirements.