### Question
How does SAFETY STANDARDS FOR MOTOR VEHICLES define motor vehicle?


### Answer
Under *40 U.S.C. § 17101*, **motor vehicle** is defined as:

> a vehicle, self-propelled or drawn by mechanical power, designed for use on the highways principally for the transportation of passengers, except a vehicle designed or used for military field training, combat, or tactical purposes

#### Citation:
  - *40 U.S.C. § 17101*
  - Heading: **SUBTITLE V-MISCELLANEOUS > CHAPTER 171-SAFETY STANDARDS FOR MOTOR VEHICLES**

