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 Ecological Manual

Ecology Manual February 2010














Download the 2014 Ecological Manual in PDF format.

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Technical Guidance & Methods

ODOT has been assigned FHWA's responsibilities pursuant to the Surface Transportation Projct Delivery Program, otherwise known as NEPA Assignment. The environmental review, consultation, and other actions required by Section 4(f) of the Department of Transportation Act are being carried out by ODOT pursuant to 23 U.S.C. 327 and a Memorandum of Understanding dated December 11, 2015, and executed by FHWA and ODOT.