interstate

adjective

1. involving and relating to the mutual relations of states especially of the United States

- Interstate Highway Commission

- interstate highways

- Interstate Commerce Commission

adverb

1. (chiefly US and Australia) crossing states (usually provincial state, but also e.g. multinational sense).

- The truck driver drove interstate to unload.

noun

1. one of the system of highways linking major cities in the 48 contiguous states of the United States

Definition categories: man–made, highway