"Life Is a Highway" Lyrics Meaning. The lyrics begin by dropping some straight-talking philosophy on us. First, it sets up the main metaphor: that "life is a highway." We're told that "life's like a road you travel on" for many reasons, all of which have their own appeal. metaphor. comparison of two things not using like or as. "Life is a highway, but he'd confess, He has a plan but needs a GPS". allusions. references in a sentence. "A lyrical Houdini, creating illusions". similes. comparisons using like or as. "taking little steps like a centipede". kI52.

is life is a highway a metaphor