| Typicality: | 0.543 |
| Saliency: | 0.603 |
| over a seven-year period | 3 | temporal |
| between 2008 | 2 | temporal |
| accident → involve → tractor trailers | 52 |
| accident → involve → tractor-trailers | 50 |
| accident → involve → 18-wheel tractor trailers | 6 |
| accident → involve → 18-wheel tractor trailer | 4 |
| accident → involve → tractor-trailer rigs | 3 |
| negative | neutral | positive |
| 0.730 | 0.248 | 0.022 |
| Raw frequency | 115 |
| Normalized frequency | 0.603 |
| Modifier score | 0.880 |
| Perplexity | 268.577 |