### Question
How is the term toll facility defined?


### Answer
The term **toll facility** is defined in *23 U.S.C. § 129* as the following:

> a toll highway, bridge, or tunnel or approach to the highway, bridge, or tunnel constructed under this subsection

#### Citation:
  - *23 U.S.C. § 129*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS**

