interstate

US /ˈɪn.t̬ɚ.steɪt/
UK /ˈɪn.t̬ɚ.steɪt/
1.

interestatal

one of a system of motorways running between US states.

:
a picnic area just off the interstate
1.

interestatal

from one state to another.

:
House for sale. Owner moving interstate
1.

interestatal

existing or carried on between states, especially of the US.

:
interstate travel