Highway Drainage - Policy and Memos

Date	Memo
09/10/2008	Highway Embankments versus Levees and other Flood Control Structures
06/24/08	Distribution of FHWA Hydraulic Engineering Circular 25, “Highways in the Coastal Environment, 2nd Edition”
07/09/07	Culvert Selection Procedures
undated	Construction Program Guide - Culvert Selection
11/30/06	Pipe Selection Final Rule
05/11/05	Guidance on Pipe Selection

Hydraulics Related CFR Links

• Title 23-Highways Chapter I-Federal Highway Administration, Department of Transportation Part 668 Emergency Relief Program
  • Subpart A_Procedures for Federal-Aid Highways
    • Sec. 668.109 Eligibility.
      
      
    • Non-regulatory supplement: Sec. 650.115 Design standards.