interstate

adjective
1
between states, especially in the US
بین ایالتی, میان‌ایالتی
noun
1
a wide road, with at least two lanes in each direction, where traffic can travel fast for long distances across many states. You can only enter and leave interstates at special ramps.
بزرگراه میان ایالتی, بزرگراه بین ایالتی
compare motorway