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extension

Definitions from Case Law · United States Supreme Court

Definitions from Case Law

From 288 U.S. 14 - Interstate Commerce Commission v. Oregon-Washington Railroad & Navigation · 1933Most cited · 211 citing opinions

The power granted by paragraph 21 is confined to extensions within the undertaking of the carrier to serve, and cannot be extended to embrace the building of what is essentially a new line to reach new territory.

How the Supreme Court has restated “extension”

192619301933 most cited: 288 U.S. 14 - Interstate Commerce Commission v. Oregon-Washington Railroad & Navigation (1933)
first stateddeparted

Each Supreme Court definition of “extension,” sized by how often later courts cited it. “Change” is measured by wording overlap with earlier definitions — a rough signal, not a semantic judgment.

How often courts cite the cases defining “extension”

192019401960198020002020183

Court decisions citing the 3 opinions that defined “extension” — 860 in all, by decade. Counts are citations to the defining cases as a whole, not verified uses of the term. The dip in the most recent years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the latest years.

All 3 definitions, chronological · 1926–1933

  1. If the purpose and effect of the new trackage is to extend substantially the line of a carrier into new territory, the proposed trackage constitutes an extension of the railroad, within the meaning of paragraph 18, although the line be short, and although the character of the service contemplated be that commonly rendered to industries by means of spurs or industrial tracks.

    of railroad line

  2. For more than a score of years the Long Island has used these lines for the passage of frequent trains carrying an enormous and ever increasing traffic between the terminus of its own railroad at Sunnyside and the Pennsylvania station. It is no stretch to say that it has been operating such lines or that they constitute an 'extension' of its own railroad. The use is a joint one but it is nevertheless 'operation.

    of railroad line