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30-933: State Highway 51 , abbreviated to SH-51 or OK-51 , is a major state highway in Oklahoma , United States. It runs for 332.8 miles (535.6 km) east–west across the state, running from the Texas state line to Arkansas . It is the third-longest state highway in the system. SH-51 begins at the Texas line concurrent with US-60 just east of Higgins, Texas . It remains concurrent for 61 miles (98 km) until it reaches US-270 / US-281 / SH-3 at Seiling, Oklahoma . At Seiling, SH-51 joins with those three highways for nine miles (14 km) before splitting off on its own. Eleven miles (18 km) after splitting off, Highway 51 meets SH-58 in Canton . It then continues east, crossing

60-471: A brief concurrency with US-62 / SH-10 . After spitting with these highways, it heads southeast toward Stilwell, Oklahoma , running concurrent with US-59 for a mile on the way. After leaving Stilwell it provides access to Adair State Park, and then crosses the Arkansas line becoming Arkansas Highway 244 , which quickly connects to Arkansas Highway 59 . SH-51 was originally commissioned on June 1, 1927 as

90-427: A connector from Stilwell to Eldon at SH-27 (present-day US-62). By 1928, it had been extended to Tulsa. On June 15, 1933, it was extended to the east to the Arkansas state line, where it became AR-45. ODOT extended SH-51 west to Stillwater and Perry (via a segment of roadway currently serving as US-177). On March 18, 1935, the section from Stillwater to Perry was rescinded and SH-51 was extended to SH-8 at Okeene. It

120-512: A designated National Highway System , but the system is completely unsigned, aside from the Trans-Canada routes. This makes Canada unique in that national highway designations are generally secondary to subnational routes. In Germany , state roads ( Landesstraßen or Staatsstraßen ) are a road class which is ranking below the federal road network ( Bundesstraßen ). The responsibility for road planning, construction and maintenance

150-697: A multilane highway again after SH-48 . It turns into the "Mannford Freeway" before passing through the small towns of Mannford and Lotsee on its way toward the Tulsa area. In Sand Springs , SH-51 crosses the Arkansas River with SH-97 before merging onto the Sand Springs Expressway ( US-412 / US-64 ). When this freeway ends at I-244 near downtown Tulsa, SH-51 merges onto I-244 southbound only to exit 1 mile (1.6 km) later, where it runs concurrent with US-64 / US-75 . This freeway

180-542: A multilane highway and a major corridor linking I-35 to Stillwater , the home of Oklahoma State University . Along this 13-mile (21 km) stretch is an intersection with SH-86 . When SH-51 reaches Stillwater, it meets US-177 . Continuing east from Stillwater, the road returns to a two-lane highway after sharing a 1-mile (1.6 km) concurrency with SH-108 and intersects with SH-18 Eight miles (13 km) later. Four miles (6.4 km) east of this, it passes through Yale, Oklahoma before crossing SH-99 . It becomes

210-530: A population of at least 10,000 inhabitants are urban roads (type D and E) under the jurisdiction of the relevant municipalities. The state highway that cross towns or villages with a population of less than 10,000 inhabitants are urban roads (type D and E) under the jurisdiction of the municipality, subject to authorization from ANAS . State highways in India are numbered highways that are laid and maintained by state governments . Mexico 's State Highway System

240-523: A state or province include both nationally numbered highways and un-numbered state highways. Depending on the state, "state highway" may be used for one meaning and "state road" or "state route" for the other. In some countries such as New Zealand , the word "state" is used in its sense of a sovereign state or country. By this meaning a state highway is a road maintained and numbered by the national government rather than local authorities. Australia 's important urban and inter-regional routes not covered by

270-617: A three-digit number designation, preceded by D . Provincial roads ( Turkish : İl yolu ) are secondary roads, maintained by respective local governments with the support of the KGM. The roads have a four-digit numbering grouped as two pairs, pairs are separated by a dash. First pair represents the license number of that province . State highways are generally a mixture of primary and secondary roads, although some are freeways (for example, State Route 99 in California, which links many of

300-750: Is 100 km/h, with reductions when one passes through a densely populated area. The highways in New Zealand are all state highways, and the network consists of SH 1 running the length of both main islands, SH 2–5 and 10–58 in the North Island, and SH 6–8 and 60–99 in the South Island. National and provincial highways are numbered approximately north to south. State Highway 1 runs the length of both islands. Local highways ( Korean :  지방도 ; Hanja :  地方道 ; RR :  Jibangdo ; MR :  Chipangdo ) are

330-490: Is a system of urban and state routes constructed and maintained by each Mexican state. The main purpose of the state networks is to serve as a feeder system to the federal highway system. All states except the Federal District operate a road network. Each state marks these routes with a white shield containing the abbreviated name of the state plus the route number. New Zealand state highways are national highways –

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360-527: Is actually Interstate 444 , but the route is not signed as such. After one more mile, SH-51 leaves the interstate with US-64 and becomes the Broken Arrow Expressway, a freeway running northwest–southeast through Tulsa which is known as "The BA" by locals and local media. US-64 leaves the freeway as a concurrency with US-169 southbound. Later, SH-51 will exit the freeway and become a four-lane highway toward Coweta. The mainline freeway becomes

390-521: Is divided into states and has state highways. For example, the longest highway in the state of São Paulo , the Rodovia Raposo Tavares , is designated as SP-270 and SP-295 . Canada is divided into provinces and territories, each of which maintains its own system of provincial or territorial highways, which form the majority of the country's highway network. There is also the national transcontinental Trans-Canada Highway system, which

420-579: Is free to choose a different marker, and most states have. States may choose a design theme relevant to its state (such as an outline of the state itself) to distinguish state route markers from interstate, county, or municipal route markers. Fort Gibson Dam The Fort Gibson Dam is a gravity dam on the Grand (Neosho) River in Oklahoma, 5.4 mi (9 km) north of the town of Fort Gibson . The dam forms Fort Gibson Lake. The primary purposes of

450-605: Is marked by distinct signs, but has no uniform numeric designation across the country. In the eastern provinces, for instance, an unnumbered (though sometimes with a named route branch) Trans-Canada route marker is co-signed with a numbered provincial sign, with the provincial route often continuing alone outside the Trans-Canada Highway section. However, in the western provinces, the two parallel Trans-Canada routes are consistently numbered with Trans-Canada route markers; as Highways 1 and 16 respectively. Canada also has

480-568: Is not a road class. The Strade Statali , abbreviated SS, is the Italian national network of state highways. The total length for the network is about 25.000 km (15.534 mi). The Italian state highway network are maintained by ANAS . From 1928 until 1946 state highways were maintained by Azienda Autonoma Statale della Strada (AASS). The next level of roads below Strada Statali is Strada Regionale ("regional roads"). The routes of some state highways derive from ancient Roman roads , such as

510-406: Is vested in the federal states of Germany. Most federal states use the term Landesstraße (marked with 'L'), while for historical reasons Saxony and Bavaria use the term Staatsstraße (marked with 'S'). The appearance of the shields differs from state to state. The term Land-es-straße should not be confused with Landstraße , which describes every road outside built-up areas and

540-686: The Muskogee Turnpike . At Coweta , SH-51 turns back east after heading southeast through the Tulsa area. After crossing the Muskogee Turnpike again and bridging the Verdigris River the highway soon enters Wagoner , where it junctions with US-69 . Returning once again to a 2-lane road, Highway 51 crosses Ft. Gibson Lake and the town of Hulbert . Eleven miles (18 km) later, it passes through Tahlequah , where it has

570-606: The North Canadian River and meeting SH-51A before turning northeast toward Okeene , where it intersects SH-8 . SH-51 will go for 24 miles (39 km) before intersecting another highway. In Hennessey SH-51 meets US-81 before continuing eastward. Seventeen miles (27 km) later, it meets SH-74 north of Crescent . Eleven miles (18 km) to the east, it shares a brief concurrency with US-77 ; Two miles (3.2 km) later it has an interchange at Interstate 35 at Exit 174. After crossing I-35, SH-51 becomes

600-626: The Strada statale 7 Via Appia , which broadly follows the route of the Roman road of the same name . Other examples are the Strada statale 1 Via Aurelia ( Via Aurelia ) and the Strada statale 4 Via Salaria ( Via Salaria ). Since the reforms following the birth of the Kingdom of Italy in 1861, the State took charge of the construction and maintenance of a primary network of roads for connections between

630-576: The National Highway or National Route systems are marked under the State Route system. They can be recognised by blue shield markers. They were practically adopted in all states by the end of the 1980s, and in some states, some less important National Routes were downgraded to State Routes. Each state has or had its own numbering scheme, but do not duplicate National Route numbers in the same state, or nearby routes in another state. As with

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660-475: The National Routes and National Highways, State Routes are being phased out in most states and territories in favour of alphanumeric routes. However, despite the fact that Victoria has fully adopted alphanumeric routes in regional areas, state route numbers are still used extensively within the city of Melbourne as a part of its Metropolitan Route Numbering Scheme . Brazil is another country that

690-644: The cities of the Central Valley , Route 128 in Massachusetts, or parts of Route 101 in New Hampshire). Each state has its own system for numbering and its own marker. The default marker is a white circle containing a black sans serif number (often inscribed in a black square or slightly rounded square), according to the Manual on Uniform Traffic Control Devices (MUTCD). However each state

720-533: The dam and lake are flood control and hydroelectric power production, although supply of drinking water to local communities, as well as recreation, are additional benefits. The project was authorized by the Flood Control Act of 1941 and construction began the next year. During World War II construction was suspended and it recommenced in May 1946. In June 1949, the river was closed and the entire project

750-453: The gateway into the city, was removed on March 25, 2008. In a first for the state of Oklahoma, the bridge, originally built in 1936, was sold to Payne County for $ 200,000 and transferred to a county road east of Stillwater, where it was installed over Council Creek. Like many in the Oklahoma state highway system, SH-51 has short spurs branching from it that bear the "51" number with a lettered suffix: State highway Roads maintained by

780-541: The main cities; in 1865 the Lanza law introduced the classification of roads between national, provincial and municipal (see Annex F, art.10) and the Royal Decree of 17 November 1865, n. 2633 listed the first 38 national roads. Italian state highways are identified by a number and a name. In road signs and maps the number is preceded by the acronym SS, an acronym for strada statale ("state road"). The nomenclature of

810-482: The next important roads under the National highways . The number has two, three, or four digits. Highways with two-digit numbers routes are called State-funded local highways. State roads ( Turkish : Devlet yolu ) are primary roads, mostly under the responsibility of General Directorate of Highways (KGM) except in metropolitan city centers where the responsibility falls into the local government. The roads have

840-640: The state highways managed by ANAS generally follows the SS n scheme, where n is a number ranging from 1 ( Aurelia ) up to 700 (of the Royal Palace of Caserta ) depending on the date of establishment of the state highway. Newly built ANAS roads, not yet classified, are identified by the acronym NSA, an acronym for nuova strada ANAS ("new ANAS road"). State highways can be technically defined as main extra-urban roads (type B road) or as secondary extra-urban roads (type C road). State highways that cross towns with

870-530: The word "state" in this sense means "government" or "public" (as in state housing and state schools ), not a division of a country. New Zealand's state highway system is a nationwide network of roads covering the North Island and the South Island . As of 2006, just under 100 roads have a "State Highway" designation. The NZ Transport Agency administers them. The speed limit for most state highways

900-416: Was then extended to Seiling on October 18, 1938. On March 23, 1943, it was extended to the Texas state line by a concurrency with US-60. The Broken Arrow Expressway was built in the early 1960s and opened in 1964. It was not, however, officially named the Broken Arrow Expressway until July 6, 1999 by H.B. 1455. The steel truss bridge carrying SH-51 across Stillwater Creek west of Stillwater, once considered

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