[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR635.405] [Page 179] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 635_CONSTRUCTION AND MAINTENANCE--Table of Contents Subpart D_General Material Requirements Sec. 635.405 Applicability. The requirements and procedures prescribed in this subpart apply to all contracts relating to Federal-aid highway projects. [69 FR 7119, Feb. 13, 2004]