33 CFR § 167.405 - Off San Francisco: Main ship channel.

---
identifier: "/us/cfr/t33/s167.405"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 167.405 - Off San Francisco: Main ship channel."
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "167.405"
section_name: "Off San Francisco: Main ship channel."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "P"
subchapter_name: "PORTS AND WATERWAYS SAFETY"
part_number: "167"
part_name: "OFFSHORE TRAFFIC SEPARATION SCHEMES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "46 U.S.C. 70001, 70003; Department of Homeland Security Delegation No. 0170.0."
regulatory_source: "CGD 81-080, 48 FR 36456, Aug. 11, 1983, unless otherwise noted."
cfr_part: "167"
---


# 167.405 Off San Francisco: Main ship channel.

(a) A separation line connects the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 37°45.90′ N | 122°38.00′ W. |
| 37°47.00′ N | 122°34.30′ W. |
| 37°48.10′ N | 122°31.00′ W. |

(b) A traffic lane for eastbound traffic is established between the separation line and a line connecting the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 37°45.80′ N | 122°37.70′ W. |
| 37°47.80′ N | 122°30.80′ W. |

(c) A traffic lane for westbound traffic is established between the separation line and a line connecting the following geographical positions:

| Latitude | Longitude |
| --- | --- |
| 37°46.20′ N | 122°37.90′ W. |
| 37°46.90′ N | 122°35.30′ W. |
| 37°48.50′ N | 122°31.30′ W. |