Oklahoma State Highway 99
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| State Highway 99 |
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| Maintained by ODOT | |||||||||
| Length: | 241 mi (388 km) | ||||||||
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| North end: |  K-99 at the Kansas state line |
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| South end: |  U.S. 377 at the Texas state line |
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State Highway 99, also referred to as OK-99 or SH-99, is a north-south state highway through central Oklahoma. It runs from the Texas border at Lake Texoma to the Kansas border near Lake Hulah. It is 241 miles long. The highway is duplexed with U.S. 377 for over half its length.
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[edit] Route description
From the Oklahoma/Texas border through Stroud, OK-99 is signed along with U.S. 377. At Stroud, the U.S. route ends (though the end is not officially signed) and the roadbed exclusively becomes OK-99. Seventeen miles north of Stroud, the highway meets State Highway 33, which it is duplexed with for two miles through the town of Drumright. It crosses the Cimarron River at Oilton, and has an interchange with the Cimarron Turnpike between Jennings and Hallett.
It is then duplexed with U.S. 64 for six miles before passing through Cleveland, where it crosses the Arkansas River. Throughout its final 55 miles, in Osage County, the highway passes through a relatively sparse region, though it meets State Highway 20 in Hominy and is duplexed with OK-11 south of Pawhuska and U.S. 60 north of the city. Its final junction is with OK-10 ten miles south of the Oklahoma border.
[edit] The Highway 99 designation
OK-99 links up with K-99 after crossing the border into Kansas. This road continues for 233 miles to the Nebraska border, where it becomes Nebraska Highway 99, which lasts an additional 14 miles. Thus, OK-99 is part of a triple-state highway numbered "99", which lasts a total of 488 miles.
[edit] Spurs
OK-99 has two lettered spurs:
- OK-99A is a designation for two distinct highways:
- OK-99C connects U.S. 377/OK-99 in Madill to OK-32 near Lake Texoma.
- OK-99D was a loop north of Hominy, Oklahoma serving the nearby state prison, Connors Correctional Center. The loop was decommissioned in the 1990s, and the bridge over Bird Creek is no longer passable [2].
