Code of Federal Regulations Title 23. Highways § 23.777.7 Evaluation of impacts

(1) The importance of the impacted wetlands and natural habitats;

(2) The extent of highway impacts on the wetlands and natural habitats, as determined through an appropriate, interdisciplinary, impact assessment;  and

(3) Actions necessary to comply with the Clean Water Act, Section 404, the Endangered Species Act of 1973, and other relevant Federal statutes.

(1) Wetland and natural habitat functional capacity;

(2) Relative importance of these functions to the total wetland or natural habitat resource of the area;

(3) Other factors such as uniqueness, esthetics, or cultural values;  and

(4) Input from the appropriate resource management agencies through interagency coordination.