The Federal Highway Administration, Federal Railroad Administration, and Federal Transit Administration finalized a rule on September 1, 2026 rewriting their NEPA implementing regulations, effective the same day.
The Environmental Protection Agency published a proposed rule on June 25, 2026 to amend its National Environmental Policy Act implementing procedures. The rule incorporates changes required by the Fiscal Responsibility Act of 2023, the One Big Beautiful Bill Act of 2025, Executive Order 14154, and the Supreme Court's May 2025 Seven County decision. Public comments are due July 27, 2026.