# Modification of Area Navigation Route T-288; WY
> **Rule** · Final rule. · Published 2012-02-21 · Effective 2012-04-05 · 77 FR 9841
## Document
- **Document number:** 2012-3813
- **Category:** other
- **Type:** Rule
- **Action:** Final rule.
- **Citation:** 77 FR 9841
- **Publication date:** 2012-02-21
- **Effective date:** 2012-04-05
- **FAA docket:** Docket No. FAA-2011-1193
## Abstract

This action modifies area navigation (RNAV) route T-288 by extending the route westward from the Rapid City, SD, VORTAC to the Gillette, WY, VOR/DME. This extension enhances the efficiency and safety of the National Airspace System (NAS) by supplementing the existing VOR Federal airway structure in that area.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2012/02/21/2012-3813/modification-of-area-navigation-route-t-288-wy)
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