23 CFR 625.1 : Highways (§ 1.1 To Parts 1345-1399) — (§ 1.1 To Parts 1345-1399) — Federal Highway Administration, Department Of Transportation (§ 1.1 To Parts 974-999) — Engineering And Traffic Operations (§ 620.101 To § 669.21) — Design Standards For Highways (§ 625.1 To § 625.4) — Purpose.
4 Aug 2016
To designate those standards, policies, and standard specifications that are acceptable to the Federal Highway Administration (FHWA) for application in the geometric and structural design of highways.