List of Interstate Highways in Colorado
From Infogalactic: the planetary knowledge core
| Interstate Highways in Colorado | |
|---|---|
  
Standard highway markers for Interstate 25, Interstate 70 Business, and Interstate 270
|
|
| Highway names | |
| Interstates: | Interstate X (I-X) |
| Business routes: | Interstate X Business (I-X Bus.) |
| System links | |
Mainline highways
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes |
|---|---|---|---|---|---|---|---|
 I-25 |
305.04 | 490.91 | I-25 at the New Mexico state line | I-25 at the Wyoming state line | — | — | |
 I-70 |
449.51 | 723.42 | I-70 at the Utah state line | I-70 at the Kansas state line | — | — | |
 I-76 |
183.99 | 296.10 | I-70 in Arvada | I-76 at the Nebraska state line | — | — | |
 I-225 |
11.99 | 19.30 | I-25 in Denver | I-70 in Aurora and Denver | — | — | |
 I-270 |
5.35 | 8.61 | US 36 and I-25 in unincorporated Adams County | I-70 in Denver | — | — |
Business routes
| Number | From | To | Length |
|---|---|---|---|
 I-25 Business |
Aguilar | 1.94 miles (3.12 km) | |
| Walsenburg | 3.94 miles (6.34 km) | ||
| Colorado Springs | 6.75 miles (10.86 km) | ||
| I-70 Business |
Grand Junction-Fruitvale-Clifton | 13.36 miles (21.50 km) | |
| Palisade | 2 miles (3 km) | ||
| Silt | 0.17 miles (0.27 km) | ||
| Eagle | 0.27 miles (0.43 km) | ||
| Edwards | 0.52 miles (0.84 km) | ||
| Idaho Springs | 2.54 miles (4.09 km) | ||
| Golden-Lakewood-Denver-Aurora | 26.80 miles (43.13 km) | ||
| Watkins | 0.31 miles (0.50 km) | ||
| Strasburg | 0.30 miles (0.48 km) | ||
| Deer Trail | 0.31 miles (0.50 km) | ||
| Agate | 0.30 miles (0.48 km) | ||
| Limon | 2.80 miles (4.51 km) | ||
| Vona | 0.51 miles (0.82 km) | ||
| Burlington | 1.80 miles (2.90 km) | ||
 I-76 Business |
Keenesburg | 0.30 miles (0.48 km) | |
| Fort Morgan-Brush-Hillrose-Merino-Atwood-Sterling | 50 miles (80 km) | ||
