[Code of Federal Regulations] [Title 23, Volume 1] [Revised as of April 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 23CFR635.503] [Page 194] TITLE 23--HIGHWAYS CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION PART 635--CONSTRUCTION AND MAINTENANCE--Table of Contents Subpart E--Interstate Maintenance Guidelines Sec. 635.503 Policy. The policy of the FHWA is to insure that each State transportation department develops and implements an Interstate maintenance program conforming to the guidelines in this subpart. The maintenance program shall be consistent with practices deemed necessary to adequately provide for motorist safety, preservation of the highways, rideability, and aesthetics.