| Clue | Source | Date |
|---|---|---|
| A tired caterer's wandered in zone barred to the public (10,4) | ||
| Trade caterers moved around current zone barring the public (10,4) | ||
| Artist careered off course in a zone few get to? | The Telegraph Cryptic | 05 Oct 2018 |
| "Authorized personnel only" zone | USA Today | 02 Oct 2017 |
| Where few are allowed | Newsday | 24 May 2017 |
| "Authorized personnel only" zone | ||
| Delaware always has this zone of limited access | The Telegraph Cryptic | 13 Nov 2015 |