[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR476.300] [Page 127] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 476--INTERSTATE HIGHWAY SYSTEM--Table of Contents Subpart D--Withdrawal of Interstate Segments and Substitution of Public Mass Transit or Highway Projects or Both Sec. 476.300 Purpose. Source: 45 FR 69397, Oct. 20, 1980, unless otherwise noted. The purpose of the regulations in this subpart is to prescribe policies and procedures for implementation of 23 U.S.C. 103(e)(4), which permits the withdrawal of Interstate System segments and the substitution of public mass transit or highway projects or both.