The results of the environmental analysis as well as the description of the proposed action are presented in a NEPA document. The documentation is provided in one of the following formats:
For more information on how to prepare an environmental evaluation, refer to the FHWA Technical Advisory T6640.8A, Guidance for Preparing and Processing Environmental and Section 4(f) Documents, which is contained in full in Appendix D [pdf 201 kb] of this manual.
This chapter provides general instructions for the preparation of a Categorical Exclusion (CE), an Environmental Assessment (EA), a Finding of No Significant Impact (FONSI), a Draft Environmental Impact Statement (EIS), a Final Environmental Impact Statement (FEIS), and a Record of Decision (ROD). For each type of document, the chapter presents a brief overview of the applicability of the class of action; the required and suggested content and format of the documentation; procedures for internal and FHWA review and approval of the draft and final documents; how the approved document is circulated for agency and public comment; public hearing requirements; and how comments are handled. The chapter also discusses environmental reevaluations that are required after the environmental clearances have been approved, as well as the need for and requirements of a Supplemental Environmental Impact Statement (SEIS). The chapter concludes by discussing the current emphasis on the need to improve the quality of environmental documents.