Federal regulations · Through 2026-08-25 · Newer source version available

33 CFR 167.1323: In Puget Sound and its approaches: Puget Sound.

The traffic separation scheme in Puget Sound consists of six separation zones and two traffic lanes connected by six precautionary areas. The following are established:
(a) A separation zone bounded by a line connecting the following geographical positions:
Latitude Longitude
48°11.08′ N 122°46.88′ W
48°06.85′ N 122°39.52′ W
48°02.48′ N 122°38.17′ W
48°02.43′ N 122°38.52′ W
48°06.72′ N 122°39.83′ W
48°10.82′ N 122°46.98′ W
(b) Precautionary area “SC,” which is contained within a circle of radius 0.62 miles, centered at 48°01.85′ N, 122°38.15′ W.
(c) A separation zone bounded by a line connecting the following geographical positions:
Latitude Longitude
48°01.40′ N 122°37.57′ W
47°57.95′ N 122°34.67′ W
47°55.85′ N 122°30.22′ W
47°55.67′ N 122°30.40′ W
47°57.78′ N 122°34.92′ W
48°01.28′ N 122°37.87′ W
(d) Precautionary area “SE,” which is contained within a circle of radius 0.62 miles, centered at 47°55.40′ N, 122°29.55′ W.
(e) A separation zone bounded by a line connecting the following geographical positions:
Latitude Longitude
47°54.85′ N 122°29.18′ W
47°46.52′ N 122°26.30′ W
47°46.47′ N 122°26.62′ W
47°54.80′ N 122°29.53′ W
(f) Precautionary area “SF,” which is contained within a circle of radius 0.62 miles, centered at 47°45.90′ N, 122°26.25′ W.
(g) A separation zone bounded by a line connecting the following geographical positions:
Latitude Longitude
47°45.20′ N 122°26.25′ W
47°40.27′ N 122°27.55′ W
47°40.30′ N 122°27.88′ W
47°45.33′ N 122°26.60′ W
(h) Precautionary area “SG,” which is contained within a circle of radius 0.62 miles, centered at 47°39.68′ N, 122°27.87′ W.
(i) A separation zone bounded by a line connecting the following geographical positions:
Latitude Longitude
47°39.12′ N 122°27.62′ W
47°35.18′ N 122°27.08′ W
47°35.17′ N 122°27.35′ W
47°39.08′ N 122°27.97′ W
(j) Precautionary area “T,” which is contained within a circle of radius 0.62 miles, centered at 47°34.55′ N, 122°27.07′ W.
(k) A separation zone bounded by a line connecting the following geographical positions:
Latitude Longitude
47°34.02′ N 122°26.70′ W
47°26.92′ N 122°24.10′ W
47°23.07′ N 122°20.98′ W
47°19.78′ N 122°26.58′ W
47°19.98′ N 122°26.83′ W
47°23.15′ N 122°21.45′ W
47°26.85′ N 122°24.45′ W
47°33.95′ N 122°27.03′ W
(l) Precautionary area “TC,” which is contained within a circle of radius 0.62 miles, centered at 47°19.48′ N, 122°27.38′ W.
(m) A traffic lane for northbound traffic that connects with precautionary areas “SC,” “SE,” “SF,” “SG,” “T,” and “TC,” as described in paragraphs (b), (d), (f), (h), (j), and (k) of this section, respectively, and is located between the separation zones described in paragraphs (a), (c), (e), (g), (i), and (k) of this section, respectively, and a line connecting the following geographical positions:
Latitude Longitude
48°11.72′ N 122°46.83′ W
48°07.13′ N 122°38.83′ W
48°02.10′ N 122°37.32′ W
47°58.23′ N 122°34.07′ W
47°55.83′ N 122°28.80′ W
47°45.92′ N 122°25.33′ W
47°39.68′ N 122°26.95′ W
47°34.65′ N 122°26.18′ W
47°27.13′ N 122°23.40′ W
47°23.33′ N 122°20.37′ W
47°22.67′ N 122°20.53′ W
47°19.07′ N 122°26.75′ W
(n) A traffic lane for southbound traffic that connects with precautionary areas “SC,” “SE,” “SF,” “SG,” “T,” and “TC,” as described in paragraphs (b), (d), (f), (h), (j), and (k) of this section, respectively, and is located between the separation zones described in paragraphs (a), (c), (e), (g), (i), and (k) of this section, respectively, and a line connecting the following geographical positions:
Latitude Longitude
48°10.15′ N 122°47.58′ W
48°09.35′ N 122°45.55′ W
48°06.45′ N 122°40.52′ W
48°01.65′ N 122°30.03′ W
47°57.47′ N 122°35.45′ W
47°55.07′ N 122°30.35′ W
47°45.90′ N 122°27.18′ W
47°39.70′ N 122°28.78′ W
47°34.47′ N 122°27.98′ W
47°26.63′ N 122°25.12′ W
47°23.25′ N 122°22.42′ W
47°20.00′ N 122°27.90′ W

Where this section sits in the code

Title 33—Navigation and Navigable Waters
CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
SUBCHAPTER P—PORTS AND WATERWAYS SAFETY
PART 167—OFFSHORE TRAFFIC SEPARATION SCHEMES
Subpart B—Description of Traffic Separation Schemes and Precautionary Areas

The traffic separation scheme in Puget Sound consists of six separation zones and two traffic lanes connected by six precautionary areas. The following are established:

(a) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude

48°11.08′ N 122°46.88′ W

48°06.85′ N 122°39.52′ W

48°02.48′ N 122°38.17′ W

48°02.43′ N 122°38.52′ W

48°06.72′ N 122°39.83′ W

48°10.82′ N 122°46.98′ W

(b) Precautionary area “SC,” which is contained within a circle of radius 0.62 miles, centered at 48°01.85′ N, 122°38.15′ W.

Latitude Longitude

48°01.40′ N 122°37.57′ W

47°57.95′ N 122°34.67′ W

47°55.85′ N 122°30.22′ W

47°55.67′ N 122°30.40′ W

47°57.78′ N 122°34.92′ W

48°01.28′ N 122°37.87′ W

(d) Precautionary area “SE,” which is contained within a circle of radius 0.62 miles, centered at 47°55.40′ N, 122°29.55′ W.

(e) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude

47°54.85′ N 122°29.18′ W

47°46.52′ N 122°26.30′ W

47°46.47′ N 122°26.62′ W

47°54.80′ N 122°29.53′ W

(f) Precautionary area “SF,” which is contained within a circle of radius 0.62 miles, centered at 47°45.90′ N, 122°26.25′ W.

(g) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude

47°45.20′ N 122°26.25′ W

47°40.27′ N 122°27.55′ W

47°40.30′ N 122°27.88′ W

47°45.33′ N 122°26.60′ W

(h) Precautionary area “SG,” which is contained within a circle of radius 0.62 miles, centered at 47°39.68′ N, 122°27.87′ W.

(i) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude

47°39.12′ N 122°27.62′ W

47°35.18′ N 122°27.08′ W

47°35.17′ N 122°27.35′ W

47°39.08′ N 122°27.97′ W

(j) Precautionary area “T,” which is contained within a circle of radius 0.62 miles, centered at 47°34.55′ N, 122°27.07′ W.

(k) A separation zone bounded by a line connecting the following geographical positions:

Latitude Longitude

47°34.02′ N 122°26.70′ W

47°26.92′ N 122°24.10′ W

47°23.07′ N 122°20.98′ W

47°19.78′ N 122°26.58′ W

47°19.98′ N 122°26.83′ W

47°23.15′ N 122°21.45′ W

47°26.85′ N 122°24.45′ W

47°33.95′ N 122°27.03′ W

(l) Precautionary area “TC,” which is contained within a circle of radius 0.62 miles, centered at 47°19.48′ N, 122°27.38′ W.

(m) A traffic lane for northbound traffic that connects with precautionary areas “SC,” “SE,” “SF,” “SG,” “T,” and “TC,” as described in paragraphs (b), (d), (f), (h), (j), and (k) of this section, respectively, and is located between the separation zones described in paragraphs (a), (c), (e), (g), (i), and (k) of this section, respectively, and a line connecting the following geographical positions:

Latitude Longitude

48°11.72′ N 122°46.83′ W

48°07.13′ N 122°38.83′ W

48°02.10′ N 122°37.32′ W

47°58.23′ N 122°34.07′ W

47°55.83′ N 122°28.80′ W

47°45.92′ N 122°25.33′ W

47°39.68′ N 122°26.95′ W

47°34.65′ N 122°26.18′ W

47°27.13′ N 122°23.40′ W

47°23.33′ N 122°20.37′ W

47°22.67′ N 122°20.53′ W

47°19.07′ N 122°26.75′ W

(n) A traffic lane for southbound traffic that connects with precautionary areas “SC,” “SE,” “SF,” “SG,” “T,” and “TC,” as described in paragraphs (b), (d), (f), (h), (j), and (k) of this section, respectively, and is located between the separation zones described in paragraphs (a), (c), (e), (g), (i), and (k) of this section, respectively, and a line connecting the following geographical positions:

Latitude Longitude

48°10.15′ N 122°47.58′ W

48°09.35′ N 122°45.55′ W

48°06.45′ N 122°40.52′ W

48°01.65′ N 122°30.03′ W

47°57.47′ N 122°35.45′ W

47°55.07′ N 122°30.35′ W

47°45.90′ N 122°27.18′ W

47°39.70′ N 122°28.78′ W

47°34.47′ N 122°27.98′ W

47°26.63′ N 122°25.12′ W

47°23.25′ N 122°22.42′ W

47°20.00′ N 122°27.90′ W

Collected 2026-08-27T02:25:35Z. Source file · JSON

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