As used in this chapter, the following terms shall have the meanings indicated:
Includes all portions of the town highway owned or maintained by the town or used for public travel, including, but not limited to, shoulders, ditches, culverts and bridges.
Every device in, upon or by which any person or property is or may be transported or drawn upon a highway, including licensed or unlicensed vehicles, and except devices moved by human power or used exclusively upon stationary rails or tracks.