intrastate

Within a sovereign state or country.

Intrastate war is now the dominant form of military conflict in international politics.

Nevertheless, within the common features discerned by Smith, it is obvious that the superficially similar prespectives of centralist v. provincialist versions of intrastate reform in fact postulated very different shaping purposes to the constitutional / institutional changes they sought .

Within a state.

This isn't an interstate highway so it must be only an intrastate road.

The difference between intrastate and interstate prison transfers, Justice Blackmun said, "is a matter of degree, not of kind," while confinement in a mental hospital is qualitatively different than an ordinary prison sentence.

A highway completely within a state (not an interstate).