Oklahoma State Highway 112
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| Route information | ||||
| Maintained by ODOT | ||||
| Length: | 23.5 mi (37.8 km) | |||
| Existed: | Aug. 15, 1955 – present | |||
| Major junctions | ||||
| South end: |
    US-59/59 Bus./271/271 Bus. in Poteau
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| North end: |
 SH-9A in Arkoma
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Oklahoma State Highway System
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State Highway 112 is a 24.6 mi (39.6 km) state highway in Le Flore County, Oklahoma. It connects Poteau to Arkoma. It has no lettered spur routes.
SH-112 begins at an intersection with US-59/271 in Poteau, continuing the alignment of the Poteau Bypass. It continues northeast from the intersection, intersecting a railroad at-grade and crossing the Poteau River. The highway then clips the west edge of Cameron. Northeast of Cameron, the road crosses over James Fork. In Rock Island, Highway 112 serves as the western terminus of State Highway 120. At SH-120, it turns more northerly and crosses Backbone Mountain.
On the far side of the mountain, SH-112 passes through Pocola. On the north side of town, the highway intersects US-271/SH-9. SH-112 joins the concurrency, headed east. The road becomes a freeway in the run-up to Interstate 540, which begins at the Oklahoma–Arkansas state line. SH-112 exits at the last interchange in Oklahoma. From here, the highway heads north toward Arkoma, paralleling the state line.
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Wikipedia