Kassel v. Consolidated Freightways Corporation of Delaware

450 U.S. 662 · Decided March 24, 1981 · Supreme Court of the United States

At a glance

Kassel v. Consolidated Freightways Corporation of Delaware was decided on March 24, 1981 by a vote of 6–3. The Court affirmed the lower court's decision. Justice Lewis F. Powell Jr. wrote the opinion announcing the judgment of the Court. SCDB classifies its main issue as “State or local business regulation” in the Economic Activity area. SCDB records that the Court declared a state or territorial law, regulation or constitutional provision unconstitutional.

Read the opinion

• CourtListener (Free Law Project) — opinion text
• Library of Congress — official U.S. Reports scan

Case details

How the Justices voted

Full case caption

Kassel, Director of Transportation, et al. v. Consolidated Freightways Corporation of Delaware

SCDB identifiers: case 1980-064, docket 1980-064-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error