Oklahoma State Highway 6

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"OK 6" redirects here. OK 6 may also refer to Oklahoma's 6th congressional district.

State Highway 6 marker

State Highway 6
Route information
Maintained by ODOT
Length: 121.8 mi[1] (196.0 km)
Existed: August 21, 1954 – present
Major junctions
South end: SH 6 at the Texas state line
North end: SH-152 near Sweetwater
Highway system
Oklahoma State Highway System
SH-5 SH-7

State Highway 6, abbreviated to SH-6 or OK-6, is a state highway in Oklahoma. It runs in a 121.8 miles (196.0 km) crescent through the southwestern part of the state, running from the Texas state line north of Quanah, Texas, to SH-152 in the unincorporated town of Sweetwater. There are no letter-suffixed spur highways branching from SH-6.

SH-6 was added to the state highway system in 1954. The highway was later extended from its original extent; westward from Elk City in 1957 and southward to Texas in 1975.

Route description[edit]

SH-6 south of Granite

After crossing the Red River, State Highway 6 leaves Texas, becomes SH-6 and continues headed northeast, passing through the small Jackson County towns of Eldorado and Olustee. Highway 6 meets US-62 five miles (8 km) west of Altus.[2] SH-6 makes a right turn at this point to overlap US-62 into Altus.

In Altus, SH-6 takes a turn to the north to overlap US-283. North of Blair, US-283 heads due north while SH-6 turns toward the northwest. SH-6 crosses US-283 once more before the state highway continues to the north toward Granite, where it meets SH-9.

North of Granite, SH-6 runs along the BeckhamWashita county line until sharing a 4-mile (6.4 km) concurrency with SH-55, moving into Beckham County.[2] After splitting away from SH-55, it meets SH-152 for the first time (it will meet SH-152 at its northern end.)

SH-6 continues north to have an interchange with Interstate 40 in Elk City. It overlaps Business Loop I-40 for four miles (6.4 km) on the north side of the city.[2] At this point the north–south highway curves to the west. It crosses US-283 (again), and then ends at SH-152 in Sweetwater.


SH-6 in downtown Elk City

The original State Highway 6 extended from the Texas state line near Colbert to the Kansas state line north of Vinita.[3] When the United States Numbered Highways system was established in 1926, the vast majority of the highway was overlapped by US-75 and US-73.[4] (Later, this corridor would form the majority of US-69 in Oklahoma). As a result, the original SH-6 designation was decommissioned soon after the establishment of the U.S. highway system.[citation needed]

The SH-6 designation remained unused until August 21, 1954, when it was assigned to a highway beginning at US-283 east of Mangum, extending north through Granite and Retrop, and ending at US-66 in Elk City.[5][6] The highway was extended west along SH-73 to its current northern terminus on January 21, 1957.[5]

SH-6 was extended to the south on July 7, 1975, bringing it to Altus by way of a concurrency with US-283, where it joined US-62 in another concurrency, headed west. West of Altus, the route split off and headed southwest to the Texas state line. In addition to the U.S. routes, SH-6 was concurrent with SH-44 between that route's current southern terminus and Eldorado, where it ended; thereafter, SH-6 followed SH-34 to the Red River. To remove the redundant designations, both SH-34 and SH-44 were truncated to their current southern terminus on January 5, 1987.[5][7][8]

SH-6 was realigned twice in 2004 to allow SH-6 a straighter route in situations where it was concurrent with another highway. The first such section removed a portion of the US-283 concurrency between Blair and Granite; the second realignment took place on the SH-55 concurrency north of Retrop. Both of these changes were applied to the highway on February 2, 2004.[5] No further changes to the highway's route have taken place since then.

Junction list[edit]

County Location mi[1] km Destinations Notes
Red River 0.0 0.0 SH 6 continues south into Texas
Jackson Eldorado 6.2 10.0 SH-5 Southern terminus of SH-5
12.5 20.1 SH-34 Southern terminus of SH-34
27.4 44.1 US-62 Western terminus of US-62 concurrency
Altus 32.3 52.0 US-62 / US-283 Eastern terminus of US-62 concurrency, southern terminus of US-283 concurrency
Blair 42.4 68.2 SH-19 Western terminus of SH-19
Greer 44.5 71.6 US-283 Northern terminus of US-283 concurrency
48.5 78.1 US-283
Granite 63.4 102.0 SH-9
No major junctions
county line
Retrop 78.3 126.0 SH-55 Southern terminus of SH-55 concurrency
Beckham 83.3 134.1 SH-55 Northern terminus of SH-55 concurrency
88.3 142.1 SH-152
Elk City 95.1 153.0 I‑40 / SH-34 Interchange, I-40 exit 38
96.7 155.6 I‑40 Bus. Eastern terminus of BL I-40 concurrency
100.5 161.7 I‑40 Bus. Western terminus of BL I-40 concurrency
110.9 178.5 US-283
Beckham–Roger Mills county line 121.8 196.0 SH-152 continues west
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Google (2013-05-06). "Oklahoma State Highway 6" (Map). Google Maps. Google. Retrieved 2013-05-06. 
  2. ^ a b c Official State Map (PDF) (Map) (2009–10 ed.). Oklahoma Department of Transportation. Retrieved 2010-06-18. 
  3. ^ Oklahoma State Highway System (PDF) (Map) (1925 ed.). Oklahoma State Highway Department. Retrieved 2010-06-20. 
  4. ^ Oklahoma State Highway System (PDF) (Map) (1927 ed.). Oklahoma State Highway Department. Retrieved 2010-06-20. 
  5. ^ a b c d Oklahoma Department of Transportation. "Memorial Dedication and Revision History, SH 6". Oklahoma Department of Transportation. Retrieved 2010-06-20. 
  6. ^ Highways of Oklahoma (PDF) (Map). Oklahoma Department of Highways. 1955. Retrieved 2010-06-20. 
  7. ^ Oklahoma Department of Transportation. "Memorial Dedication and Revision History, SH 34". Oklahoma Department of Transportation. Retrieved 2010-06-20. 
  8. ^ Oklahoma Department of Transportation. "Memorial Dedication and Revision History, SH 44". Oklahoma Department of Transportation. Retrieved 2010-06-20. 

External links[edit]

Route map: Bing / Google

KML is from Wikidata