Citizens to Preserve Overton Park, Inc. v. Volpe, 401 U.S. 402 (1971) (U.S. Supreme Court)
Citizens to Preserve Overton Park v. Volpe is a cornerstone of administrative law and environmental statutory protection.
Is the Secretary of Transportation's approval of a highway through public parkland subject to judicial review under the APA, and if so, what standard and scope of review apply? Substantively, did the Secretary comply with §4(f) by demonstrating no feasible and prudent alternatives and by undertaking all possible planning to minimize harm?
1) APA Reviewability and Standard: Agency action is presumptively reviewable under the APA; the §701(a)(2) exception for action "committed to agency discretion by law" is narrow and applies only in rare instances where there is truly no law to apply. In the absence of formal findings based on a trial-type record, courts review under §706(2)(A)'s arbitrary and capricious standard. The reviewing court must engage in a substantial inquiry to determine whether the agency considered relevant factors and made no clear error of judgment, while avoiding de novo review or substituting its policy preferences. 2) Scope and Record Rule: Judicial review is confined to the administrative record before the agency when it made its decision. Post hoc rationalizations by counsel or litigation affidavits cannot supply the basis for review. If the record is inadequate, the court may obtain testimony from the decisionmakers to explain the record but should not convert review into a de novo proceeding. 3) §4(f) Substantive Standard: The Secretary may not approve the use of public parkland for highways unless there is no feasible and prudent alternative to using the park, and the program includes all possible planning to minimize harm. This establishes a strong presumption against using parkland; cost, inconvenience, or ordinary community disruption are insufficient by themselves to render alternatives imprudent—only truly unusual factors or extraordinary impacts may justify selecting a park route.
Yes. The Secretary's decision is reviewable under the APA; §701(a)(2)'s exception does not apply because §4(f) furnishes meaningful standards. The proper standard is arbitrary and capricious review under §706(2)(A). Review must proceed on the administrative record, not on post hoc litigation affidavits. Because the Secretary made no formal findings and the record was inadequate to determine whether §4(f)'s stringent requirements were met, the Court reversed and remanded for plenary review based on the administrative record and, if necessary, limited testimony from decisionmakers.
Overton Park is foundational to administrative law and environmental governance. It cements the presumption of judicial review, clarifies that §701(a)(2) is a narrow exception, and defines the modern arbitrary and capricious standard: a searching yet deferential review focused on whether the agency considered the relevant factors and explained its decision. The case also establishes the record rule—courts evaluate agency action on the administrative record and reject post hoc justifications—thereby promoting transparent, contemporaneous decision-making. For environmental and infrastructure law, Overton Park gives teeth to §4(f), setting a high bar against using public parkland for highways and insisting on rigorous alternatives analysis and harm minimization. Law students learn this case as a template for APA review, statutory interpretation that prioritizes protective mandates, and remedial options (remand with instructions) when agency records are deficient.