| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | rail crossing | United States | Common warning signs and signals at railway crossings, often located in rural and suburban areas | 1 |
| 2 | railway signal | United States | Railway signals are commonly used and an important part of ensuring safety and proper traffic flow on train tracks. | 1 |
| 3 | railway signal | United States | Vital for safe train operations and traffic control | 1 |
| 4 | railway signal | United States | Railway signals use a combination of colored lights and symbols to indicate to train operators whether it is safe to proceed or stop. | 1 |
| 5 | railway signal | United States | Railway signals play a crucial role in guiding train movements and ensuring safety on the tracks. | 1 |
| 6 | railway signal | United States | Railway signals follow specific color and position conventions to communicate with train operators, with red indicating stop and green indicating go. | 1 |