Wikipedia:WikiProject U.S. Roads/Colorado/National Highway System
- US 6: US 50 to I-70, SH 93 to I-25, SH 2 to I-76
- US 24: SH 67 to I-70
- US 34: US 40 to I-76
- US 36: SH 119 to I-76
- US 40: Utah to I-70, Broadway to I-70
- US 50: I-70 to I-25, SH 47 to Kansas
- US 85: I-25 to I-25, I-76 to US 34
- US 160: New Mexico to I-25
- US 285: New Mexico to I-25
- US 287: Oklahoma to I-70, to Wyoming
- US 491: New Mexico to Utah
- US 550: New Mexico to US 50
- SH 2: I-25 to US 6
- SH 14: US 287 to I-25
- SH 30: I-25 to Alameda Avenue
- SH 44: SH 121 to E-470
- SH 45: I-25 to I-25
- SH 47: I-25 to US 50
- SH 71: I-70 to Nebraska
- SH 82: I-70 to Aspen
- SH 83: I-25 to I-25, E-470 to SH 2
- SH 88: I-70 to US 285, US 85 to SH 83
- SH 93: US 6 to Baseline Road (and Baseline Road to US 36)
- SH 119: US 36 to I-25
- SH 121: SH 470 to US 287
- SH 128: US 287 to E-470
- SH 157: US 36 to SH 119
- SH 177: SH 470 to I-25
- SH 470/E-470: US 6 to I-25
- Peña Boulevard, I-70 to E-470
- Powers Boulevard, Woodmen Road: I-25 to I-25
- Local streets