### Question
What does environmental review process mean?


### Answer
**Environmental review process** has the following meaning in *23 U.S.C. § 139*:

> the process for preparing for a project an environmental impact statement, environmental assessment, categorical exclusion, or other document prepared under the National Environmental Policy Act of 1969 (42 U.S.C. 4321 et seq.)

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

