| Percentile (%) | DOT Inventory (ft.) | OSM-derived (ft.) |
| 25 | 4.4 | 3.8 |
| 50 | 8.8 | 6.0 |
| 75 | 19.7 | 9.3 |
| 90 | 33.5 | 14.6 |
| 99 | 75.8 | 37.9 |
| 100 | 141.5 | 114.1 |