Idaho State Highway 37

State Highway 37 (SH-37) is a state highway in Power County in southern Idaho, United States that spans 31.231 miles (50.261 km) north-south from the Oneida–Power county line to Interstate 86 (I-86).[1][2]

State Highway 37
Rockland Highway
SH-37 highlighted in red
Route information
Maintained by ITD
Length31.231 mi[1] (50.261 km)
Major junctions
South endOneida County line
North end I-86 (Exit 36)
Location
CountiesPower
Highway system
  • State Highways in Idaho
← SH-36→ SH-38

Route description

The SH-37 begins at the Oneida County line on the Rockland Highway, just southwest of Buck Peak. (From the southern terminus of SH-37 the Rockland Highway continues south to Holbrook and the western terminus of SH-38.) The route heads northwest briefly before turning north to pass through the unincorporated community of Roy. It then continues north through farmland and passes through the town of Rockland before ending at a diamond interchange with I-86 (Exit 36), about 1 mile (1.6 km) south of the Snake River, about 2.3 miles (3.7 km) northeast of Neeley, and about 6 miles (9.7 km) southwest of American Falls.[1][2]

History

By 1927 the SH-37 designation had been assigned to a route south east of Coeur d'Alene in the northern part of the state. (By 1927 the north-south route through Malad City was designated as SH-21, but by 1937 it had been changed to SH-36.)[3]

Between 1927 and 1937, the SH-37 designation was assigned to the highway which had been, by 1927, designated as SH-33. This highway followed the current routing of SH-37 from a point southwest of American Falls (on what was then US-30N, but now I-86) south through Rockland and on through Roy, but then continued on to Holbrook, and then finally heading east to Malad City (on what is now SH-38).[4] Also between 1927 and 1937, the SH-38 designation had been applied to a highway (which, by 1927, had been previously designated as SH-32) that began in Roy and headed east and then northeast to Arbon, north to Pauline (along what is now the Arbon Highway) and then (along what is now the Bannock Highway) north to Crystal, and on to terminate in at the former routing of US-91 in Portneuf.[3] By 1956, the southern terminus of SH-38 had changed from SH-37 in Roy to SH-37 east of Holbrook (via Buist to Arbon)[5] Eventually, the routing of SH-38 was changed to its current route, with the roads through Buist, Arbon, and Crystal to Portneuf being entirely removed from the state highway system; as well as the section that was previously part of SH-37 between Holbrook and the Power County-Oneida County line.

Major intersections
CountyLocation[2]mi[1]kmDestinations[2]Notes
Oneida–Power
county line		​0.0000.000Rockland Highway south - HolbrookSouthern terminus
PowerRockland24.59939.588Center Street
​31.12150.084 I-86 (Exit 36) – American Falls, I-15, I-84Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References
  1. "Milepoint Log: Route 37" (PDF). itd.idaho.gov. Idaho Transportation Department. 26 Jan 2016. Retrieved 24 Dec 2016.
  2. Google (24 Dec 2016). "ID-37 Idaho" (Map). Google Maps. Google. Retrieved 24 Dec 2016.
  3. "Rand McNally Junior Auto Road Map: Idaho" (Map). davidrumsey.com. Rand McNally Company. 1927. Retrieved 24 Dec 2016.
  4. "Texaco Road Map: Idaho, Montana, Wyoming" (Map). davidramsey.com. Rand McNally Company and Texas Company. 1937. Retrieved 24 Dec 2016.
  5. "Shell Map of Idaho and Wyoming" (Map). davidramsey.com. Shell Oil Company. 1956. Retrieved 24 Dec 2016.

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