Background

A floodplain is the lowland adjacent to a river, lake, or ocean. Floodplains are designated by the rarity of the flood that is large enough to inundate them. For example, a 10-year floodplain is likely to be inundated by a 10-year...

Background

Uncontrolled disposal of industrial waste creates adverse impacts on public health and the environment. Materials that may constitute a hazardous waste include petroleum products, pesticides, organic compounds, heavy metals, or...

• Background
• Federal Statutes, Regulations, and Guidance on Historic, Archeological, and Cultural Resources Compliance
• Useful Links

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Navigable Waterways Compliance Process

Navigable waterways are those waters of the U.S. that are subject to the ebb and flow of the tide shoreward to the mean high water mark, and that are presently used, have been used in the past, or may be...

Background

Transit projects frequently produce social and economic externalities and may influence the character and nature of communities. These impacts should be addressed in environmental documents and generally fall into the following...

Memorandum

U.S. Department of Transportation
Federal Transit Administration

Subject: FTA Use of the FHWA Section 4(f) Policy Paper
Date: Nov 9, 2012
From: Lucy Garliauskas,...

The grant applicant, in consultation with FTA, shall, at the earliest appropriate time, begin coordination with interested agencies to advise them of the planned scope of the project and to achieve the following objectives: determine which aspects of...

What is the process to develop an annotated outline of an EA?

After the early coordination or scoping process, the grant applicant should prepare an annotated outline of the EA document.The annotated outline ensures the focus of...

As shown in the above figure, the following steps comprise the EA documentation process. Where available, more information can be found...

What is contained in a Record of Decision?
The Record of Decision (ROD) is the conclusion of the NEPA EIS process. The ROD document is prepared after the final EIS and identifies the Preferred Alternative. The NEPA implementing...