[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR630.201] [Page 142] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 630_PRECONSTRUCTION PROCEDURES--Table of Contents Subpart B_Plans, Specifications, and Estimates Sec. 630.201 Purpose. Source: 43 FR 58564, Dec. 15, 1978, unless otherwise noted. The purpose of this subpart is to prescribe Federal Highway Administration (FHWA) procedures relating to the preparation, submission, and approval of plans, specifications and estimates (PS&E), and supporting documents for Federal-aid projects.