### Question
How is the term cooperating authority defined?


### Answer
The term **cooperating authority** is defined in *49 U.S.C. § 304* as the following:

> a Department of Transportation operating authority that is not the lead authority with respect to a project

#### Citation:
  - *49 U.S.C. § 304*
  - Heading: **SUBTITLE I-DEPARTMENT OF TRANSPORTATION > CHAPTER 3-GENERAL DUTIES AND POWERS > SUBCHAPTER I-DUTIES OF THE SECRETARY OF TRANSPORTATION**

