| Route | Functional class | Speed limit | Measured speed | Estimated speed |
|---|---|---|---|---|
| I 24 | 1,11 | 65 | 68.5 | 71.2 |
| I 64 | 1,11 | 65 | 68.4 | 69.7 |
| I 65 Jefferson | 11 | 55 | 59.8 | 60.7 |
| I 471 Campbell | 11,12 | 55 | 59.6 | 61.8 |
| Mountain 9000 | 2 | 65 | 68.3 | 64.4 |
| Purchase 9003 | 2,7,12 | 65 | 67.0 | 71.7 |
| W. Kentucky 9001 | 2,12,14 | 65 | 69.2 | 71.3 |
| US 60, Grayson-Ashland | 7 | 55 | 54.7 | 54.9 |
| US 150, Bardstown-Danville | 2,6,14 | 55 | 59.0 | 54.3 |
| KY 10, Vanceburg-US 23 | 2 | 55 | 57.6 | 55.4 |
| KY 15, Whitesburg-Campton | 2,7,14 | 55 | 58.5 | 53.9 |