### Question
How does the law define State transportation department?


### Answer
Under *23 U.S.C. § 139*, **State transportation department** is defined as:

> any statewide agency of a State with responsibility for one or more modes of transportation

#### Citation:
  - *23 U.S.C. § 139*
  - Heading: **CHAPTER 1-FEDERAL-AID HIGHWAYS**

