A road or highway that connects multiple states

Something that occurs between states

ऐसा कुछ जो राज्यों के बीच होता है

English Usage: The interstate agreements facilitated trade between neighboring states.

Hindi Usage: अंतरराज्यीय समझौतों ने पड़ोसी राज्यों के बीच व्यापार को बढ़ावा दिया।