EPA NEPA Website: including information on filing EISs, e-NEPA electronic filing, NEPAssist, NEPA and Environmental Justice, and the EIS database.
Environmental Process
The National Environmental Policy Act (NEPA) requires transportation agencies to consider potential impacts to the social and natural environment. Find resources for implementing regulations set forth by NEPA.
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Alternative Project Delivery and the NEPA Process
AASHTO hosted a Virtual Peer Exchange (VPE) that featured three State DOTs discussing their experience with alternative project delivery and the NEPA process. The three states that presented are Pennsylvania, Minnesota, and Utah.
AASHTO Resources
NEPA Overview
The National Environmental Policy Act (NEPA) establishes policy and goals for the protection, maintenance, and enhancement of the environment across the United States, and it provides a process for implementing these goals within federal agencies.
Learn more about when NEPA is required, who oversees the process, and why it is important.
NEPA Assignment
NEPA Assignment is a process states can choose to undertake where they assume federal responsibility for transportation projects in exchange for a faster federal review process.
Learn more about NEPA Assignment.
NEPA Case Law for Highway, Transit and Rail Projects: 2015 Year in Review
This paper highlights key court decisions involving the NEPA process for transportation projects in 2015. The Case Law Updates on the Environment (CLUE) Database on the Center for Environmental Excellence by AASHTO website features 18 case summaries from 2015, with issues spanning from alternative analysis and traffic forecasts to claims of predetermination and the very existence of “federal action”.
FHWA and FTA NEPA Case Law: 2014 Year in Review
This paper highlights key court decisions involving the NEPA process for transportation projects in 2014. The Case Law Updates on the Environment (CLUE) Database on the Center for Environmental Excellence by AASHTO website features 18 case summaries from 2014.
Examples of Effective Techniques for Preparing High-Quality NEPA Documents (2014)
This report is to help practitioners bridge the gap between the theory and practice of producing high-quality NEPA documents, by providing examples that illustrate specific techniques.
Podcast
Environmental Process Overview
The NEPA process impacts every transportation project across the country.
We dive deep into how to successfully navigate NEPA and take it into account when planning and conducting transportation projects.
External Links
NEPA and Project Development Resources
eNEPA Portal (Project Collaboration Tools for Transportation)
NEPA Implementation (laws, regulations and guidance)
Interim Guidance on the Application of Travel and Land Use Forecasting in NEPA
Active & Inactive Environmental Impact Statements
Potential Use of Social Media in the NEPA Process (NCHRP 25-25, Task 80) (September 2013)
Evaluation of Methodologies for Visual Impact Assessments (NCHRP Project 25-33, Report 741) (April 2013)
Strategic Options of Inventorying and Updating Environmental Guidance and Links (NCHRP Project 25-25, Task 77) (July 2012)
NCHRP Web-Only Document 183: Guide for Managing NEPA-Related and Other Risks in Project Delivery (NCHRP Project 20-24, Task 71) (February 2012)
Guidelines on the Use of Tiered Environmental Impact Statements for Transportation Projects (NCHRP Project 25-25, Task 38) (June 2009)
Evaluate Colorado’s ACEA Methodology as a Mechanism for Cumulative Impacts Assessment in Regional Transportation Plans (NCHRP Project 25-25, Task 54)(2009)
Effective Project Management for NEPA and Appendix (NCHRP Project 25-25, Task 27) (Aug. 2008)
Reevaluations of NEPA Documents (NCHRP Project 25-25, Task 28) (March 2008)
Improved Linkage Between Transportation Systems Planning and the National Environmental Policy Act (NEPA) (NCHRP Project 8-36, Task 48) (January 2006)
A Review and Synthesis of the Requirements for Indirect and Cumulative Impact Analysis and Mitigation under Major Environmental Laws and Regulations (NCHRP 25-25 Task 11)(2006)
Synthesis on Data Needs for EA and EIS Documentation (NCHRP Project 25-25, Task 1) (January 2005)
Desk Reference for Estimating the Indirect Effects of Proposed Transportation Projects (NCHRP Report 466)(2002)
Evaluation Guidance Needed for States with National Environmental Policy Act Authority (Government Accountability Office, Jan. 2018) – a review of provisions to expedite the NEPA process for transportation projects, including assignment of NEPA authority to states