### Question
Can you define what motorcycle means?


### Answer
**Motorcycle** is defined as the following in *23 U.S.C. § 153*:

> a motor vehicle which is designed to travel on not more than 3 wheels in contact with the surface

#### Citation:
  - *23 U.S.C. § 153*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS > SUBCHAPTER I-GENERAL PROVISIONS**

