List of U.S. Highways in Colorado

U.S. Highways in Colorado
Standard highway markers for U.S. Highway 6, U.S. Highway 40 and U.S. Highway 160
Highway names
US HighwaysU.S. Highway X (US X)
System links
Colorado State Highways

List
Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 6 467.284752.021 I-70/US 6/US 50 near MackUS 6 near Holyoke ——
US 24 277.668446.863 I-70 near MinturnUS 24 near Burlington ——
US 34 259.529417.671 US 40 in GranbyUS 34 near Wray ——
US 36 213.458343.527 US 34 at Deer Ridge in Rocky Mountain National ParkUS 36 near Idalia ——
US 38 —— —— —— Now US 34 from Greeley to Wiggins, I-70 Bus. from Fort Morgan to Sterling, and US 6 east of Sterling[1]
US 40 496.385798.854 US 40 west of DinosaurUS 40 east of Arapahoe ——
US 40N —— —— —01936-01-01c. 1936[2] Now US 24 east of Limon[2]
US 40S —— —— —01936-01-01c. 1936[2] Now US 24 west of Limon and US 40 east of Limon[2]
US 50 467.583752.502 I-70/US 6/US 50 near Grand JunctionUS 50/US 400 near Holly ——
US 84 2845 US 160 near Pagosa SpringsUS 84 near Chromo ——
US 85 310499 I-25/US 85/US 87 near TrinidadUS 85 near Eaton ——
US 87 305.040490.914 I-25/US 85/US 87 near TrinidadI-25/US 87 —— Concurrent with I-25 for whole route.
US 138 59.823[3]96.276 US 6 near SterlingUS 138 near Julesburg ——
US 160 497.223[4]800.203 US 160 near Teec Nos Pos, ArizonaUS 160 near Walsh 01930-01-01c. 1930[5]current Original western terminus was Trinidad. Extended via US 85 and US 450 to near Dove Creek in 1934. Rerouted west of Cortez via US 164 in 1970 toward Four Corners Monument.[5][6]
US 164 —— —— 01966-01-011966[6]01970-01-011970[6] Now US 160 west of Cortez
US 285 263.947[7]424.782 US 285 near AntonitoI-25 in Denver 01936-01-011936[8]current Originally terminated on Alameda Ave. at US 85/US 87. In 1969, rerouted to terminate at US 40 (Colfax Ave.) in Aurora. Truncated at I-25 in Denver in 1979.[8]
US 287 385.22619.95 US 287/US 385 near CampoUS 287 near Virginia Dale ——
US 350 72.718[9]117.028 US 160 near WalsenburgUS 50 in La Junta 01927-01-01c. 1927[10]current
US 385 263.734424.439 US 287/US 385 near CampoI-76 near Julesburg ——
US 400 14.814[11]23.841 US 50/US 385 in GranadaUS 50/US 400 near Coolidge, Kansas 01996-01-011996[12]current
US 450 —— —— 01927-01-01c. 1927[13]01939-01-011939[13] Now US 491 north of Cortez and US 160 from Cortez to Walsenburg[13]
US 491 69.602[14]112.014 US 491 north of Shiprock, New MexicoUS 491 north of Dove Creek 02003-01-012003[15][16]current Formerly US 666
US 550 103.066165.869 US 550 near DurangoUS 50 in Montrose ——
US 650 —— —— 01927-01-01c. 1927[17]01936-01-011936[17] Now SH 291 through Salida and US 285 south of Buena Vista[17]
US 666 —— —— 01927-01-01c. 1927[18]02003-01-012003[15][16][18] Now US 491
US 789 —— New Mexico state lineWyoming state line —— Proposed, but never commissioned; would have followed (south to north): US 666, US 160, US 550, US 6/US 24, SH 13
  •       Former


See also
  •  Colorado portal
  •  U.S. Roads portal

References
  1. "End of US Highway 38". US Ends.com. Retrieved September 29, 2017.
  2. "End of US Highway 40". US Ends.com. Retrieved September 29, 2017.
  3. "Highway Data Explorer". CDOT OTIS - Online Transportation Information System. Colorado DOT. Archived from the original on September 10, 2012. Retrieved September 29, 2017.
  4. "Highway Explorer". CDOT OTIS - Online Transportation Information System. Colorado DOT. Archived from the original on September 10, 2012. Retrieved September 29, 2017.
  5. "End of US Highway 160". US Ends.com. Retrieved September 29, 2017.
  6. "End of Historic Highway 164". US Ends.com. Retrieved September 29, 2017.
  7. "Highway Explorer". CDOT OTIS - Online Transportation Information System. Colorado DOT. Archived from the original on September 10, 2012. Retrieved September 29, 2017.
  8. "End of US Highway 285". US Ends.com. Retrieved September 29, 2017.
  9. "Highway Explorer". CDOT OTIS - Online Transportation Information System. Colorado DOT. Archived from the original on September 10, 2012. Retrieved September 29, 2017.
  10. "End of US Highway 350". US Ends.com. Retrieved September 29, 2017.
  11. "Highway Explorer". CDOT OTIS - Online Transportation Information System. Colorado DOT. Archived from the original on September 10, 2012. Retrieved September 29, 2017.
  12. "End of US Highway 400". US Ends.com. Retrieved September 29, 2017.
  13. "Ends of US Highway 450". US Ends.com. Retrieved September 29, 2017.
  14. "Highway Explorer". CDOT OTIS - Online Transportation Information System. Colorado DOT. Archived from the original on September 10, 2012. Retrieved September 29, 2017.
  15. "Ends of US Highway 491". US Ends.com. Retrieved September 29, 2017.
  16. Linthicum, Leslie. "It's Now U.S. 491, Not U.S. 666". ABQ Journal Online. Albuquerque Journal. Retrieved September 29, 2017.
  17. "Ends of US Highway 650". US Ends.com. Retrieved September 29, 2017.
  18. "Ends of US Highway 666". US Ends.com. Retrieved September 29, 2017.
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