Oklahoma State Highway 78
Encyclopedia
State Highway 78 is 60 miles (96.6 km) long (97 km) state highway
State highway
State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in southern Oklahoma
Oklahoma
Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...

. It runs from the Red River
Red River (Mississippi watershed)
The Red River, or sometimes the Red River of the South, is a major tributary of the Mississippi and Atchafalaya Rivers in the southern United States of America. The river gains its name from the red-bed country of its watershed. It is one of several rivers with that name...

 (where it crosses into Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

 as State Highway 78) to Tishomingo
Tishomingo, Oklahoma
Tishomingo is the largest city and the county seat of Johnston County, Oklahoma, United States. The population was 3,162 at the 2000 census. It was the first capital of the Chickasaw Nation. Murray State College, a community college, with an annual enrollment of 1,600 students is located in...

. It has no lettered spur routes.

Route description

State Highway 78 enters Oklahoma near the unincorporated community of Karma. Near Yuba
Yuba, Oklahoma
Yuba, formerly known as Karma, is an unincorporated community located 12 miles east of Achille in Bryan County, Oklahoma. Its post office was established on February 27, 1929. The school in Yuba was established in 1929, and served Kindergarten through 12th grade. The post office was renamed...

, SH-78 curves west to head toward Achille
Achille, Oklahoma
Achille is a town in Bryan County, Oklahoma, in the United States. As of the 2000 census, the town population was 506.The town's name comes from a Cherokee word, "atsila", meaning fire.-History:...

, where it meets State Highway 91. It curves back north here, meets State Highway 70E, and then passes through the east part of Durant
Durant, Oklahoma
Durant is a city in Bryan County, Oklahoma, United States. The population was 15,877 at the 2010 census. Durant is the principal city of the Durant Micropolitan Statistical Area, which had a population of 42,416 in 2010...

, where it crosses US-70. In northern Durant, SH-78 has an interchange with the US-69/75 freeway.

Three miles north of US-69/75, SH-78 turns west to head through Cobb
Cobb, Oklahoma
Cobb is an unincorporated community in Bryan County, Oklahoma. It is north of Durant, Oklahoma on Oklahoma State Highway 78.-References:...

 and Brown
Brown, Oklahoma
Brown is an unincorporated community in Bryan County, Oklahoma. It is located 13 miles northwest of Durant, Oklahoma. It had a post office from July 3, 1913 until July 15, 1927. It was named after its first postmaster, Robert H. Brown. -References:...

 before turning north to meet State Highway 199
State Highway 199 (Oklahoma)
State Highway 199, also known as SH-199 or OK-199, is a 44-mile highway in southern Oklahoma. The highway connects Ardmore to Madill as a more northerly alternate to US-70, which much of SH-199 is an old alignment of. It provides access to the Fort Washita Historic Site.-Route description:The...

. It meets SH-22 for the first time at Nida
Nida, Oklahoma
Nida is an unincorporated community in Johnston County, Oklahoma, United States, along State Highway 22. It is the nearest community to Fort Washita, a National Historic Landmark....

. It then passes through Emet and turns back west at Milburn
Milburn, Oklahoma
Milburn is a town in Johnston County, Oklahoma, United States, along the Blue River. The population was 312 at the 2000 census.-Geography:Milburn is located at ....

. It then meets SH-22 for a second time three miles (5 km) east of Tishomingo. It then joins SH-22 into Tishomingo, where it ends at US-377/SH-99.

History

The road that would become SH-78 was originally commissioned as SH-299 on 1938-11-22. SH-299 was renumbered to SH-78 in its entirety in 1955, most likely to match the route number of TX-78.

Previous Routes

SH-78 was originally designated as a route from Boise City to the Texas Border. This route became US 385 in 1955.

Junction list

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