# Establishment of Low Altitude Area Navigation Routes (T-Routes); Sacramento and San Francisco, CA
> **Rule** · Final rule; delay of effective date. · Published 2008-07-16 · Effective 2008-07-31 · 73 FR 40721
## Document
- **Document number:** E8-15932
- **Category:** other
- **Type:** Rule
- **Action:** Final rule; delay of effective date.
- **Citation:** 73 FR 40721
- **Publication date:** 2008-07-16
- **Effective date:** 2008-07-31
- **FAA docket:** Docket No. FAA-2008-0037
## Abstract

This action delays the effective date for the establishment of four low altitude Area Navigation (RNAV) T-routes, designated T-257, T- 259, T-261 and T-263, in the Sacramento and San Francisco, CA, terminal areas until September 25, 2008. The FAA is taking this action to allow additional time for processing and charting.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2008/07/16/E8-15932/establishment-of-low-altitude-area-navigation-routes-t-routes-sacramento-and-san-francisco-ca)
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