### Question
How does AID HIGHWAYS define motor vehicle?


### Answer
Under *23 U.S.C. § 154*, **motor vehicle** is defined as:

> any vehicle driven or drawn by mechanical power manufactured primarily for use on public highways, except any vehicle operated exclusively on a rail or rails

#### Citation:
  - *23 U.S.C. § 154*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS**

