# Establishment of Area Navigation (RNAV) Routes; Southwestern United States
> **Rule** · Final rule. · Published 2012-06-14 · Effective 2012-07-26 · 77 FR 35618
## Document
- **Document number:** 2012-14406
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 35618
- **Publication date:** 2012-06-14
- **Effective date:** 2012-07-26
- **FAA docket:** Docket No. FAA-2012-0286
## Abstract

This action establishes two new low-altitude RNAV routes, designated T-306 and T-310, in the southwestern United States. The new routes expand the availability of RNAV within the National Airspace System (NAS) and provide substitute route segments for portions of VOR Federal airways V-16 and V-202.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/06/14/2012-14406/establishment-of-area-navigation-rnav-routes-southwestern-united-states)
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