Interstate 27 (I-27) is an Interstate Highway, entirely in the US state of Texas, running north from Lubbock to I-40 in Amarillo. These two cities are the only control cities on I-27; other cities and towns served by I-27 include New Deal, Abernathy, Hale Center, Plainview, Kress, Tulia, Happy, and Canyon. In Amarillo, I-27 is commonly known as the Canyon Expressway, although it is also called Canyon Drive on its access roads. I-27 was officially designated the Marshall Formby Memorial Highway after former attorney and State Senator Marshall Formby in 2005. The entire length of I-27 replaced US Highway 87 (US 87) for through traffic. An extension of I-27 north to Raton, New Mexico, and south to Laredo, Texas, was approved in 2022.
Cimarron County is the westernmost county in the U.S. state of Oklahoma. Its county seat is Boise City. As of the 2020 census, its population was 2,296, making it the least-populous county in Oklahoma; and indeed, throughout most of its history, it has had both the smallest population and the lowest population density of any county in Oklahoma. Located in the Oklahoma Panhandle, Cimarron County contains the only community in the state (Kenton) that observes the Mountain Time Zone. Black Mesa, the highest point in the state, is in the northwest corner of the county. The Cimarron County community of Regnier has the distinction of being the driest spot in Oklahoma ranked by lowest annual average precipitation, at just 15.62 inches; at the same time, Boise City is the snowiest location in Oklahoma ranked by highest annual average snowfall, at 31.6 inches.
Henryetta is a city in Okmulgee County, Oklahoma, United States. The population was 5,640 at the 2020 census.
Texhoma is a town in Texas County, Oklahoma, United States. The population was 596 at the 2020 census. Texhoma is a divided city with the Texas–Oklahoma state border separating the town from Texhoma, Texas. The name of the town is a portmanteau of Texas and Oklahoma. Founded around the Rock Island Railroad laying tracks through the area, much of the town's local economy is from ranching and livestock.
The Llano Estacado, sometimes translated into English as the Staked Plains, is a region in the Southwestern United States that encompasses parts of eastern New Mexico and northwestern Texas. One of the largest mesas or tablelands on the North American continent, the elevation rises from 3,000 feet (900 m) in the southeast to over 5,000 feet (1,500 m) in the northwest, sloping almost uniformly at about 10 feet per mile (2 m/km).
The Kansas Turnpike is a 236-mile (380 km) controlled-access toll road that lies entirely within the US state of Kansas. It runs in a general southwest–northeast direction from the Oklahoma border to Kansas City. It passes through several major Kansas cities, including Wichita, Topeka, and Lawrence. The turnpike is owned and maintained by the Kansas Turnpike Authority (KTA), which is headquartered in Wichita.
The Oklahoma Panhandle is a salient in the extreme northwestern region of the U.S. state of Oklahoma, consisting of Cimarron County, Texas County and Beaver County, from west to east. As with other salients in the United States, its name comes from the similarity of its shape to the handle of a pan. Its largest city is Guymon in Texas County. Black Mesa State Park, located in Cimarron County, is the highest point in the state. Other points of interest include Beaver Dunes Park, Optima Lake, and the Optima National Wildlife Refuge. Oklahoma Panhandle State University is ten miles away from Guymon.
The Cimarron River extends 698 miles (1,123 km) across New Mexico, Oklahoma, Colorado, and Kansas. The headwaters flow from Johnson Mesa west of Folsom in northeastern New Mexico. Much of the river's length lies in Oklahoma, where it either borders or passes through eleven counties. There are no major cities along its route. The river enters the Oklahoma Panhandle near Kenton, Oklahoma, crosses the corner of southeastern Colorado into Kansas, reenters the Oklahoma Panhandle, reenters Kansas, and finally returns to Oklahoma where it joins the Arkansas River at Keystone Reservoir west of Tulsa, Oklahoma, its only impoundment. The Cimarron drains a basin that encompasses about 18,927 square miles (49,020 km2).
Sweetwater is a town in Beckham and Roger Mills Counties in the U.S. state of Oklahoma. It was incorporated in 1998. The population was 102 at the time of the 2020 census, an increase of 17.2% over the 87 reported in the 2010 census.
Texhomex is a marker showing the tri-point of Oklahoma, Texas and New Mexico. The marker is off U.S. Highway 56 about two miles east on Texas State Line Road at the corner of Oklahoma State Line Road, and is at an elevation of 4712 feet. There are no signs on Highway 56 in either direction.
Meers is an unincorporated community located on State Highway 115 in Comanche County, Oklahoma, United States, in the foothills of the Wichita Mountains. In 1901, Meers was founded as a gold prospecting town where it was named in honor of mine operator Andrew J. Meers from Cherokee County, Georgia.
State Road 406 (NM 406) is a 35.145-mile-long (56.560 km) state highway in Union County, New Mexico, United States. NM 406's southern terminus is at U.S. Route 56/64/412 near Clayton, and the northern terminus is at NM 456 near the Oklahoma border. The route stays entirely within Union County.
The Carrizo Creek of New Mexico and Texas is a 145-mile-long (233 km) watercourse. It extends from west of Grenville, New Mexico, into Texas, flowing into Rita Blanca Creek just west of Dalhart, Texas. With Rita Blanca Creek being a tributary of the Canadian River, water from Carrizo Creek eventually travels via the Arkansas and Mississippi rivers to reach the Gulf of Mexico. It is sometimes also known as the Carrizo River.
Coldwater Creek is an intermittently-flowing stream in northeastern New Mexico, and the panhandles of Oklahoma and Texas. As far back as 1907, the USGS reported that Coldwater Creek is a dry sand bed most of the year. One source says that Coldwater Creek is also known as Rabbit Ears Creek, because it rises near Rabbit Ears, a pair of mountain peaks in Union County, New Mexico. According to the United States Geological Survey (USGS), Coldwater Creek drains an area of 1,903 square miles (4,930 km2).
Griggs is an unincorporated community in Cimarron County, Oklahoma, United States, located in the Oklahoma Panhandle.
U.S. Route 64 (US-64) is a U.S. highway running from the Four Corners area to the Outer Banks of North Carolina. Between these two points, the highway passes through the entire width of Oklahoma; a total of 591.17 miles (951.40 km) of US-64 lies in the state of Oklahoma. US-64 enters the state from New Mexico, crossing the line between the two states between Clayton, New Mexico, and Boise City in Cimarron County. The route runs the full length of the Oklahoma Panhandle, then serves the northernmost tier of counties in the main body of the state before dipping southeastward to Tulsa, the state's second-largest city. From Tulsa, the highway continues southeast, leaving Oklahoma just west of Fort Smith, Arkansas. In addition to Tulsa, US-64 serves fifteen Oklahoma counties and the cities of Guymon, Woodward, Enid, and Muskogee.
State Road 125 is a state highway in the U.S. state of New Mexico maintained by the New Mexico Department of Transportation (NMDOT). The 25-mile (40 km) road, located entirely within Lea County, begins at US 380 near Tatum and ends at the Texas state line where the road meets the numerically continuous Texas State Highway 125 southwest of Bledsoe, TX. The road also has a major intersection with NM 508.
Mouser is an unincorporated community in Texas County, Oklahoma, United States. Mouser is 13.5 miles (21.7 km) north-northeast of Guymon and 11 miles (18 km) west of Hooker. The community of Straight is two miles to the west. The Beaver, Meade and Englewood Railroad (BM&E) reached the locale in the summer of 1928, and two grain elevators in Mouser, the Mouser Grain Elevator and the Mouser Woodframe Grain Elevator/Collingwood Elevator, which were built along the BM&E's tracks, are now listed on the National Register of Historic Places listings in Texas County, Oklahoma.
South Carrizo Creek forms either just west of the Oklahoma line in New Mexico, or east inside Oklahoma to the northwest of Wheeless, Oklahoma. It is intermittent. It travels generally northeast through Black Mesa State Park where it is impounded to form Lake Carl Etling, before being joined by Willow Creek and continuing northeast to flow into the Cimarron River.
Carrizo Creek forms in Arizona north of Cibecue, before flowing generally southeast, being joined by Corduroy Creek around the town of Carrizo, and continuing generally south to join the Salt River.
