### Question
How is the "motor vehicle" defined?


### Answer
The term **motor vehicle** is defined in *40 U.S.C. § 703* as follows -

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

#### Citation:
  - *40 U.S.C. § 703*
  - Heading: **CHAPTER 14-SAFETY STANDARDS FOR MOTOR VEHICLES**

