| Clue | Source | Date |
|---|---|---|
| Model train track standard | New York Times | 10 Jun 2025 |
| Model railroad scale | Newsday | 30 Jun 2023 |
| Model-railroad scale | Newsday | 06 Jun 2021 |
| Model railroad scale | LA Times Daily | 14 Feb 2021 |
| Model railroad scale | The Washington Post | 14 Feb 2021 |
| Model railroad size | Premier Sunday | 20 Aug 2017 |
| Model train track standard | ||
| Model-railroad scale | ||
| Model railroad scale | ||
| Model railroad scale | ||
| Track choice for Lionel trains | ||
| Hobbyist's scale | ||
| Popular model-railroading scale | ||
| Toy-train scale | ||
| Model-train track size | ||
| Model railroad scale |