[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR213.31] [Page 97] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 213--TRACK SAFETY STANDARDS--Table of Contents Subpart B--Roadbed Sec. 213.31 Scope. This subpart prescribes minimum requirements for roadbed and areas immediately adjacent to roadbed.