A major highway used primarily for through traffic.

Any major highway or thoroughfare.

A major thoroughfare, used primarily for through traffic rather than for access to adjacent land, that is characterized by high vehicular capacity and continuity of movement.

a general term denoting a highway primarily for through traffic, usually on a continuous route

Arterial highways serve major traffic movements or major traffic corridors. While they may provide access to abutting land, their primary function is to serve traffic moving through the area.