| Clue | Source | Date |
|---|---|---|
| UK-France undersea-link company (10) | ||
| Route abroad - a French line including terminals in London and France? | ||
| A way to get to the continent: une route involved with NL? | The Telegraph Cryptic | 23 Nov 2021 |
| Channel crossing service | The Times Concise | 31 Jan 2021 |
| It offers submarine training to the UK |