highway

a major public road between towns or cities, often wide enough for several lanes of fast traffic

Any public road.

(figurative) A way; a path that leads to a certain destiny.

Synonym of bus (“common connection for two or more circuits or components”).

(no longer used) A road that is major (more heavily traveled and thus more important than a byway), higher than the surrounding land, has drainage ditches at the sides, or has any combination of those traits.

To travel on a highway