Colorado State Highway 172

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State Highway 172

Map of La Plata County in southwestern Colorado with SH 172 highlighted in red
Route information
Maintained by CDOT
Length24.5 mi[1] (39.4 km)
Major junctions
South end NM 511 at New Mexico state line
Major intersections SH 151 in Ignacio
North end US 160 southeast of Durango
CountryUnited States
CountiesLa Plata
Highway system
  • Colorado State Highway System
SH 170 SH 177

State Highway 172 (SH 172) is a 24.5 mi (39.4 km) long state highway in southwestern Colorado. SH 172's southern terminus is at New Mexico State Road 511 (NM 511) at the New Mexico state line, and the northern terminus is at U.S. Route 160 (US 160) southeast of Durango.

Route description

SH 172 begins in the south at the New Mexico state line where the road becomes NM 511. From there, the route travels through the Southern Ute Indian Reservation northward through Ignacio where it meets the western end of SH 151. From Ignacio, the road gradually arcs to the west and passes westward through Falfa before again turning northward to meet its northern end at a junction with US 160 approximately eight miles southeast of Durango.


The route was established in the 1930s, when it connected US 160 to Arboles. The route was paved from US 160 to Ignacio by 1954 and to Arboles by 1960. The southern end of the road was changed to the New Mexico state line by 1972.[2]

Major intersections

The entire route is in La Plata County.

0.0000.000 NM 511Continuation as NM 511 at the New Mexico border
SH 151 east (Ute Street) – Arboles
Western terminus of SH 151
24.49939.427 US 160 – Bayfield, DurangoNorthern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ "Segment Descriptions for Highway 172". Colorado Department of Transportation. Retrieved 2008-03-27.[permanent dead link]
  2. ^ Salek, Matthew E. "Colorado Routes 160-179". Retrieved 2010-04-12.

External links

Media related to Colorado State Highway 172 at Wikimedia Commons