[Code of Federal Regulations] [Title 49, Volume 4] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR223.1] [Page 319] TITLE 49--TRANSPORTATION CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 223_SAFETY GLAZING STANDARDS_LOCOMOTIVES, PASSENGER CARS AND Subpart A_General Sec. 223.1 Scope. This part provides minimum requirements for glazing materials in order to protect railroad employees and railroad passengers from injury as a result of objects striking the windows of locomotives, caboose and passenger cars. [44 FR 77352, Dec. 31, 1979]