| Clue | Source | Date |
|---|---|---|
| Certain nautical routes | ||
| Routes for ships | ||
| Main routes? (7) | ||
| Main roads | ||
| Watery shipping routes | Newsday | 30 Nov 2022 |
| Shipping routes | LA Times Daily | 11 Nov 2020 |
| Shipping routes | The Washington Post | 11 Nov 2020 |
| Ocean traffic lanes | Eugene Sheffer | 18 Sep 2019 |
| St. Lawrence and others | New York Times | 17 May 2018 |
| St. Lawrence and others | ||
| Shipping routes | ||
| Ocean routes | ||
| Shipping routes | ||
| Shipping routes | ||
| Water routes | ||
| Saint Lawrence et al. | ||
| Inland shipping water routes | ||
| Ocean routes | ||
| Routes by water. | ||
| Ocean routes. | ||
| Ocean lanes. | ||
| Certain routes. |