| Clue | Source | Date |
|---|---|---|
| Certain city guide | New York Times | 19 Jan 2024 |
| Transit convenience | LA Times Daily | 13 Jan 2024 |
| Public transit guide | Wall Street Journal | 02 Sep 2023 |
| Public transit diagram | USA Today | 29 Sep 2022 |
| Greyhound station freebie | New York Times | 07 Jun 2022 |
| Public transportation aid | USA Today | 09 Oct 2020 |
| Urban commuter's aid |