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Federal Highway Policy & Guidance Center

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Hydraulics > Culvert Hydraulics - Design and Analysis

**Information**
Document	Date	Contact(s)
Culvert Selection	October, 2012	Vacant , Office of Preconstruction, Construction and Pavements
HDS 5 - Hydraulic Design of Highway Culverts (3rd edition)	April, 2012	Abhishek Kapoor 202-366-8720, Office of Stewardship, Oversight and Management
HDS 4 - Introduction to Highway Hydraulics	June, 2008	Abhishek Kapoor 202-366-8720, Office of Stewardship, Oversight and Management
HEC 14 - Hydraulic Design of Energy Dissipators for Culverts and Channels (3rd edition)	July, 2006	Abhishek Kapoor 202-366-8720, Office of Stewardship, Oversight and Management
HEC 09 - Debris Control Structures Evaluation and Countermeasures (3rd edition)	October, 2005	Abhishek Kapoor 202-366-8720, Office of Stewardship, Oversight and Management

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FHWA Good Guidance Practices

The Policy and Guidance Center (PGC) provides a central location of policies, and guidance about the Federal-aid and Federal Lands Highway Programs, including legal documents, memos, directives, and guidance to support the Federal Highway Administration's mission and goals. Find out more in the User's Manual including Frequently Asked Questions

The term "guidance document" includes any statement of agency policy or interpretation concerning a statute, regulation, or technical matter within the jurisdiction of the agency that is intended to have general applicability and future effect, but which is not intended to have the force or effect of law in its own right and is not otherwise required by statute to satisfy the rulemaking procedures specified in the Administrative Procedure Act (section 553 or section 556 of title 5, United States Code). FHWA's policy on guidance is intended to increase the quality and transparency of agency guidance practices and the significant guidance documents produced through them.

It is FHWA's policy to ensure all guidance documents are lawful, reasonable, consistent with Administration policy, understandable, and readily accessible to the public. Guidance is not legally binding in its own right and will not be relied upon by the Department as a separate basis for affirmative enforcement action or other administrative penalty. Conformity with guidance documents (as distinct from existing statutes and regulations) is voluntary only, and nonconformity will not affect rights and obligations under existing statutes and regulations.

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Updated: 02/20/2020

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