33 C.F.R. § 167.102
In the approaches to Narragansett Bay, RI, and Buzzards Bay, MA: Narragansett Bay approach
(a) A separation zone 2 miles wide is established and is centered upon the following geographical positions:
| Latitude | Longitude |
|---|---|
| 41°22.70′ N | 71°23.30′ W. |
| 41°11.10′ N | 71°23.30′ W. |
(b) A traffic lane 1 mile wide is established on each side of the separation zone.