| Typicality: | 0.491 |
| Saliency: | 0.299 |
| in 2008 | 4 | temporal |
| on more than 17,000 route miles | 3 | location |
| until 2018 | 2 | temporal |
| railroad → install → ptc | 10 |
| railroad → installed → ptc | 3 |
| negative | neutral | positive |
| 0.159 | 0.730 | 0.111 |
| Raw frequency | 13 |
| Normalized frequency | 0.299 |
| Modifier score | 0.850 |
| Perplexity | 127.292 |