# Establishment of Area Navigation Routes (RNAV), Western United States
> **Rule** · Final rule. · Published 2007-07-25 · Effective 2007-10-25 · 72 FR 40716
## Document
- **Document number:** E7-14326
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 72 FR 40716
- **Publication date:** 2007-07-25
- **Effective date:** 2007-10-25
- **FAA docket:** Docket No. FAA-2007-27270
## Abstract

This action establishes a high altitude RNAV route in the Seattle, WA area to facilitate air traffic operations by providing a direct route to the Phoenix, AZ, area. The FAA is implementing this route to enhance safety and to provide a more efficient use of navigable airspace.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2007/07/25/E7-14326/establishment-of-area-navigation-routes-rnav-western-united-states)
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