| County | Total Miles | Total Lane Miles | Total DVMT | Truck DVMT |
| Adams | 59.659 | 279.830 | 3,473,261.287 | 470,909.790 |
| Alamosa | 0.000 | 0.000 | 0.000 | 0.000 |
| Arapahoe | 47.969 | 203.658 | 2,097,924.860 | 220,495.426 |
| Archuleta | 0.000 | 0.000 | 0.000 | 0.000 |
| Baca | 0.000 | 0.000 | 0.000 | 0.000 |
| Bent | 0.000 | 0.000 | 0.000 | 0.000 |
| Boulder | 0.000 | 0.000 | 0.000 | 0.000 |
| Broomfield | 2.753 | 13.148 | 205,708.099 | 24,964.927 |
| Chaffee | 0.000 | 0.000 | 0.000 | 0.000 |
| Cheyenne | 0.000 | 0.000 | 0.000 | 0.000 |
| Clear Creek | 33.407 | 183.476 | 1,125,019.209 | 107,689.517 |
| Conejos | 0.000 | 0.000 | 0.000 | 0.000 |
| Costilla | 0.000 | 0.000 | 0.000 | 0.000 |
| Crowley | 0.000 | 0.000 | 0.000 | 0.000 |
| Custer | 0.000 | 0.000 | 0.000 | 0.000 |
| Delta | 0.000 | 0.000 | 0.000 | 0.000 |
| Denver | 29.267 | 182.833 | 4,545,880.457 | 338,855.544 |
| Dolores | 0.000 | 0.000 | 0.000 | 0.000 |
| Douglas | 31.829 | 131.854 | 1,885,720.260 | 164,012.892 |
| Eagle | 59.597 | 238.388 | 1,248,287.725 | 155,592.591 |
| El Paso | 47.713 | 194.662 | 2,581,056.315 | 252,709.000 |
| Elbert | 27.228 | 108.912 | 276,741.597 | 84,615.629 |
| Fremont | 0.000 | 0.000 | 0.000 | 0.000 |
| Garfield | 65.642 | 262.568 | 1,138,647.881 | 147,236.684 |
| Gilpin | 0.000 | 0.000 | 0.000 | 0.000 |
| Grand | 0.000 | 0.000 | 0.000 | 0.000 |
| Gunnison | 0.000 | 0.000 | 0.000 | 0.000 |
| Hinsdale | 0.000 | 0.000 | 0.000 | 0.000 |
| Huerfano | 29.749 | 118.996 | 300,802.370 | 59,439.890 |
| Jackson | 0.000 | 0.000 | 0.000 | 0.000 |
| Jefferson | 25.034 | 146.454 | 1,761,515.966 | 144,450.496 |
| Kiowa | 0.000 | 0.000 | 0.000 | 0.000 |
| Kit Carson | 60.016 | 240.064 | 510,861.753 | 151,573.575 |
| La Plata | 0.000 | 0.000 | 0.000 | 0.000 |
| Lake | 0.000 | 0.000 | 0.000 | 0.000 |
| Larimer | 38.982 | 155.928 | 1,104,872.000 | 140,300.755 |
| Las Animas | 39.329 | 157.316 | 383,722.547 | 67,815.809 |
| Lincoln | 30.388 | 121.552 | 269,200.485 | 80,559.203 |
| Logan | 47.774 | 191.096 | 287,643.432 | 80,730.989 |
| Mesa | 66.041 | 264.164 | 784,855.478 | 126,890.639 |
| Mineral | 0.000 | 0.000 | 0.000 | 0.000 |
| Moffat | 0.000 | 0.000 | 0.000 | 0.000 |
| Montezuma | 0.000 | 0.000 | 0.000 | 0.000 |
| Montrose | 0.000 | 0.000 | 0.000 | 0.000 |
| Morgan | 38.280 | 153.120 | 398,786.595 | 84,777.365 |
| Otero | 0.000 | 0.000 | 0.000 | 0.000 |
| Ouray | 0.000 | 0.000 | 0.000 | 0.000 |
| Park | 0.000 | 0.000 | 0.000 | 0.000 |
| Phillips | 0.000 | 0.000 | 0.000 | 0.000 |
| Pitkin | 0.000 | 0.000 | 0.000 | 0.000 |
| Prowers | 0.000 | 0.000 | 0.000 | 0.000 |
| Pueblo | 48.389 | 194.845 | 1,091,368.272 | 113,761.496 |
| Rio Blanco | 0.000 | 0.000 | 0.000 | 0.000 |
| Rio Grande | 0.000 | 0.000 | 0.000 | 0.000 |
| Routt | 0.000 | 0.000 | 0.000 | 0.000 |
| Saguache | 0.000 | 0.000 | 0.000 | 0.000 |
| San Juan | 0.000 | 0.000 | 0.000 | 0.000 |
| San Miguel | 0.000 | 0.000 | 0.000 | 0.000 |
| Sedgwick | 26.727 | 106.908 | 120,706.048 | 33,648.056 |
| Summit | 24.133 | 113.600 | 604,414.171 | 62,102.755 |
| Teller | 0.000 | 0.000 | 0.000 | 0.000 |
| Washington | 10.666 | 42.664 | 71,792.846 | 18,953.301 |
| Weld | 65.112 | 260.448 | 1,723,753.969 | 248,618.932 |
| Yuma | 0.000 | 0.000 | 0.000 | 0.000 |
| Total | 955.684 | 4,066.484 | 27,992,543.622 | 3,380,705.261 |
*Only counties with interstate system mileage are shown.
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