---
kind: "section"
citation: "14 C.F.R. § 121.115"
title: "14"
number: "121.115"
heading: "Route width."
url: "https://uscodex.org/cfr/14/121.115"
---

# §121.115. Route width.

- (a) Routes and route segments over Federal airways, foreign airways, or advisory routes have a width equal to the designated width of those airways or advisory routes. Whenever the Administrator finds it necessary to determine the width of other routes, he considers the following:
  - (1) **Terrain clearance.**
  - (2) **Minimum en route altitudes.**
  - (3) **Ground and airborne navigation aids.**
  - (4) **Air traffic density.**
  - (5) **ATC procedures.**
- (b) Any route widths of other routes determined by the Administrator are specified in the certificate holder's operations specifications.

## Notes

### Amendments

[Docket 6258, 29 FR 19195, Dec. 31, 1964, as amended by Amdt. 121-253, 61 FR 2610, Jan. 26, 1996]

### Source

Source: Docket 6258, 29 FR 19195, Dec. 31, 1964, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note).

### Amendments

[Docket 6258, 29 FR 19195, Dec. 31, 1964, as amended by Amdt. 121-253, 61 FR 2610, Jan. 26, 1996]