Arizona State Route 181

State Route 181
	SR 181 highlighted in red
Route information
	Maintained by ADOT
Length	26.80 mi[1] (43.13 km)
Existed	1970–present
Major junctions
West end	US 191 near Pearce
East end	Chiricahua N.M.
Highway system

State Route 181 (SR 181) is a highway in Cochise County, Arizona that runs from its junction with US 191 east of Pearce to the Chiricahua National Monument. It is an east–west route for the half east of Pearce, but becomes a primarily north–south route on the half approaching the monument.

SR 181 serves primarily as an access to the monument, although it also services the settlement of Sunizona east of Pearce.

Route description

State Route 181, near Chiricahua National Monument, Arizona

The western terminus is located at US 191 east of Pearce. The highway heads east from this intersection through Sunizona where the highway briefly heads towards the south before curving back towards the east. It continues towards the east until it turns towards the north at an intersection with Turkey Creek and Kuykendall Cutoff roads. The highway continues heading towards the north with the occasional curve towards the northeast before continuing north. When SR 181 reaches an intersection with SR 186, SR 181 turns towards the east. It continues towards the east until it reaches its eastern terminus at the Chiricahua National Monument boundary.[1][2]

History

The route was established by the Arizona Department of Transportation between 1935[3] and 1938[4] with its current routing from SR 81 (now US 191) to the Chiricahua National Monument. Since then, the routing has not been changed and SR 181 remains as when it was defined.[5]

Junction list

The entire route is in Cochise County.

Location	mi[1]	km	Destinations	Notes
Sunizona	0.00	0.00	US 191 to I-10 – Douglas, Bisbee, Willcox	Southern terminus
	22.79	36.68	SR 186 west – Willcox
	26.80	43.13	Chiricahua National Monument	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

gollark: Well, it's that or do various forms of accursedness to move stack stuff onto the heap.

gollark: Switch to breadth first search or Dijkstra or whatever.

gollark: Or use a nonrecursive algorithm.

gollark: I'm sure you can bodge that somehow.

gollark: Right, no tail recursion.

References

Arizona Department of Transportation. "2008 ADOT Highway Log" (PDF). Retrieved 2008-04-09.
Google (April 21, 2008). "overview map of SR 181" (Map). Google Maps. Google. Retrieved April 21, 2008.
https://www.arizonaroads.com/maps/1935-4.jpg. Missing or empty |title= (help)
https://www.arizonaroads.com/maps/1938-4.jpg. Missing or empty |title= (help)
Arizona Department of Transportation. "Right-of-Way Resolution 1970-019". Retrieved 2010-07-17.

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[ADOT_Highway_Log-1] Arizona Department of Transportation. "2008 ADOT Highway Log" (PDF). Retrieved 2008-04-09.

[2] Google (April 21, 2008). "overview map of SR 181" (Map). Google Maps. Google. Retrieved April 21, 2008.

[3] ttps://www.arizonaroads.com/maps/1935-4.jpg. Missing or empty |title= (help)

[4] ttps://www.arizonaroads.com/maps/1938-4.jpg. Missing or empty |title= (help)

[5] Arizona Department of Transportation. "Right-of-Way Resolution 1970-019". Retrieved 2010-07-17.