[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2001] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR630.104] [Page 146] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 630--PRECONSTRUCTION PROCEDURES--Table of Contents Subpart A--Federal-Aid Project Authorization Sec. 630.104 Applicability. (a) This regulation is applicable to all Federal-aid projects unless specifically exempted. (b) Projects financed with FHWA planning and research funds, as defined in 23 CFR 420.103 are not covered by this subpart. These projects are to be handled in accordance with 23 CFR parts 420 and 450. (c) Other projects which involve special procedures shall be authorized as set out in the implementing instructions for those projects.