State Route 15 (SR 15) is a north–south and east–west route in northwestern Ohio. Its southern (eastern) terminus is at its interchange with

U.S. Route 23 } U.S. Route 23 or U.S. Highway 23 (US 23) is a major north–south U.S. Highway between Jacksonville, Florida, and Mackinaw City, Michigan. It is an original 1926 route which originally reached only as far south as Portsmouth, Ohio, and has since ...

/ State Route 103 (US 23/SR 103) near Carey, and its northern (western) terminus is at the Michigan state line north of

Pioneer Pioneer commonly refers to a settler who migrates to previously uninhabited or sparsely inhabited land. In the United States pioneer commonly refers to an American pioneer, a person in American history who migrated west to join in settling and dev ...

, where the route continues in Michigan as M-99. The route is signed east–west from Carey to

Bryan Bryan may refer to: Places United States * Bryan, Arkansas * Bryan, Kentucky * Bryan, Ohio * Bryan, Texas * Bryan, Wyoming, a ghost town in Sweetwater County in the U.S. state of Wyoming * Bryan Township (disambiguation) Facilities and structur ...

, and it is signed north–south from there to the Michigan state line. SR 15 is an expressway for its southernmost : where it runs concurrently with Interstate 75 (I-75), where it runs concurrently with US 68, and the final as a stand-alone

limited-access road A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, limited access freeway, and partial controlled access highway, is a highway or arterial road for high-speed traffic which ...

until its junction with US 23. The final are part of a heavily traveled corridor providing the most direct route between Detroit,

Toledo Toledo most commonly refers to: * Toledo, Spain, a city in Spain * Province of Toledo, Spain * Toledo, Ohio, a city in the United States Toledo may also refer to: Places Belize * Toledo District * Toledo Settlement Bolivia * Toledo, Orur ...

, Findlay, Marion and

Columbus Columbus is a Latinized version of the Italian surname "''Colombo''". It most commonly refers to: * Christopher Columbus (1451-1506), the Italian explorer * Columbus, Ohio, capital of the U.S. state of Ohio Columbus may also refer to: Places ...

History

SR 15 was certified in 1923, along the current US 322, which replaced it in 1926. In 1926 the designation was reapplied to a route from Carey to the Indiana state line. In 1929 it was rerouted to Bryan, replacing parts of SR 9. It replaced the rest of SR 9 in 1931, rerouted along its current route to the Michigan state line. In 1966, SR 15 was rerouted on an

expressway Expressway may refer to: * Controlled-access highway, the highest-grade type of highway with access ramps, lane markings, etc., for high-speed traffic. * Limited-access road, a lower grade of highway or arterial road. *Expressway, the fictional s ...

from I-75 in Findlay to US 23 in Carey, its new southern (eastern) terminus. The highway runs a few miles south of its previous routing, which was recertified as SR 568 the same year.

Major intersections

References

External links

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015 Fifteen or 15 may refer to: *15 (number), the natural number following 14 and preceding 16 *one of the years 15 BC, AD 15, 1915, 2015 Music *Fifteen (band), a punk rock band Albums * ''15'' (Buckcherry album), 2005 * ''15'' (Ani Lorak album ...

Transportation in Wyandot County, Ohio Transportation in Hancock County, Ohio Transportation in Putnam County, Ohio Transportation in Defiance County, Ohio Transportation in Williams County, Ohio