Why are there interstate highways in Hawaii?

夏威夷为什么会有“跨境”的高速公路？

youdao

All rest areas along interstate highways in the USA are free.

在美国公路旁的休旅车停车场是要收费的吗？

youdao

All rest areas along interstate highways in the USA are free.

在美国公路旁的休旅车停车场是要收费的吗？

youdao