[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: 23CFR655.401] [Page 241] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 655--TRAFFIC OPERATIONS--Table of Contents Subpart D--Traffic Surveillance and Control Sec. 655.401 Purpose. Source: 49 FR 8436, Mar. 7, 1984, unless otherwise noted. Effective Date Note: At 66 FR 1453, Jan. 8, 2001, subpart D of part 655, consisting of Secs. 655.401, 655.403, 655.405, 655.407, 655.409, and 655.411, was removed and reserved, effective Feb. 7, 2001. At 66 FR 9198, Feb. 7, 2001, the effective date was delayed until Apr. 8, 2001. The purpose of this regulation is to provide policies and procedures relating to Federal-aid requirements of traffic surveillance and control system projects.