| Similarity | Rank | |
|---|---|---|
| transportation | 0.819 | 3181 |
| intercity | 0.760 | 78561 |
| Transit | 0.755 | 15491 |
| highways | 0.722 | 13933 |
| transport | 0.719 | 3001 |
| commuter | 0.718 | 21690 |
| airports | 0.708 | 10318 |
| rail | 0.696 | 5387 |
| Amtrak | 0.692 | 31423 |
| airport | 0.691 | 3156 |
| ridership | 0.689 | 48920 |
| streetcars | 0.689 | 72337 |
| subways | 0.689 | 51604 |
| roadways | 0.684 | 26693 |
| intermodal | 0.683 | 64888 |
| Caltrain | 0.677 | 95101 |
| streetcar | 0.677 | 42143 |
| BRT | 0.675 | 62121 |
| MBTA | 0.674 | 77695 |
| routes | 0.672 | 5934 |
| airport's | 0.668 | 60839 |
| freeways | 0.668 | 42057 |
| metro | 0.668 | 11995 |
| commuters | 0.665 | 24685 |
| interstates | 0.665 | 79221 |