Ohio State Route 15

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/State Route 103 (US 23/SR 103) near Carey, and its northern (western) terminus is at the Michigan state line north of Pioneer, where the route continues in Michigan as M-99. The route is signed east–west from Carey to Bryan, and it is signed north–south from there to the Michigan state line.

"OH 15" redirects here. OH 15 may also refer to Ohio's 15th congressional district.

State Route 15
Route information
Maintained by ODOT
Length102.312 mi[1] (164.655 km)
Existed1926–present
Major junctions
East end US 23 / SR 103 near Carey
 
North end M-99 near Pioneer
Location
CountiesWyandot, Hancock, Putnam, Defiance, Williams
Highway system
← SR 14SR 16 →
← US 22SR 22US 23 →

SR 15 is an expressway for its southernmost 19 miles (31 km): two miles (3.2 km) where it runs concurrently with Interstate 75 (I-75), three miles (4.8 km) where it runs concurrently with US 68, and the final 14 miles (23 km) as a stand-alone limited-access road until its junction with US 23. The final 17 miles (27 km) are part of a heavily traveled corridor providing the most direct route between Detroit, Toledo, Findlay, Marion and Columbus.

Eastern terminus near Carey
The merger with US 23

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 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
CountyLocationmi[1]kmExitDestinationsNotes
WyandotCarey0.000–
0.477		0.000–
0.768		— US 23 / SR 103 – Columbus, ToledoInterchange; eastern terminus of SR 15
HancockVanlue4.558–
5.246		7.335–
8.443		— SR 330 north – VanlueInterchange; southern terminus of SR 330
Marion Township9.696–
10.420		15.604–
16.769		— SR 37 – Delaware, FindlayInterchange
Findlay13.695–
14.325		22.040–
23.054		— US 68 south – KentonEastern end of US 68 concurrency; interchange
16.628–
16.773		26.760–
26.994		—Lima Avenue – FindlayRIRO interchange
16.842–
17.364		27.105–
27.945		156 I-75 south / US 68 – Cincinnati, LimaSouthern end of I-75 concurrency; northern terminus of US 68
17.834–
18.428		28.701–
29.657		157 SR 12 – Columbus Grove, Findlay
19.578–
19.862		31.508–
31.965		159 I-75 north / US 224 east (West Trenton Avenue) – Toledo, Findlay, TiffinNorthern end of I-75 concurrency; eastern end of US 224 concurrency
Blanchard Township24.35139.189 SR 186 north – McCombSouthern terminus of SR 186
26.36442.429 SR 235 – Ada, McComb
PutnamOttawa40.64565.412 US 224 west (West Main Street) / SR 65 south (South Elm Street) / SR 109 begins – Van Wert, LimaWestern end of US 224 concurrency; southern end of SR 65 concurrency; southern terminus of SR 109
41.12066.176 SR 65 north / SR 109 north (North Perry Street) / North Taft AvenueNorthern end of SR 65/SR 109 concurrency
Greensburg Township46.39774.669 SR 108 north / Road 14 – NapoleonSouthern terminus of SR 108
Palmer Township50.53181.322 SR 115 south – KalidaNorthern terminus of SR 115
51.09482.228 SR 613 – Continental, Leipsic
Monroe Township55.55189.401 SR 634 south – ContinentalNorthern terminus of SR 634
DefianceDefiance67.641108.858 SR 18 east (East 2nd Street)Eastern end of SR 18 concurrency
68.128109.641 SR 66 south (Jefferson Avenue) – DelphosSouthern end of SR 66 concurrency
68.270109.870 SR 111 south (Clinton Street) / West 2nd StreetNorthern terminus of SR 111
68.907110.895 SR 66 north (North Clinton Street) / East Sessions AvenueNorthern end of SR 66 concurrency
69.838–
69.948		112.393–
112.570		 US 24 – Toledo, Fort WayneExit 25 (US 24)
71.186114.563 SR 18 west – HicksvilleNorthern end of SR 18 concurrency
Ney79.837128.485 SR 249 westEastern terminus of SR 249
WilliamsPulaski Township83.348134.136 US 127 south – SherwoodSouthern end of US 127 concurrency
84.244135.578 US 6 / SR 2 west – Edgerton, NapoleonSouthern end of SR 2 concurrency
Bryan86.514139.231 SR 2 east / SR 34 (High Street)Northern end of SR 2 concurrency
87.288140.476 US 127 north / CR E (Brunicardi Way) – West UnityNorthern end of US 127 concurrency
Jefferson Township94.303151.766 US 20A east / SR 107 west – West Unity, MontpelierSouthern end of US 20A concurrency; eastern terminus of SR 107
Holiday City95.912–
96.202		154.355–
154.822		 I-80 / I-90 / Ohio Turnpike – South Bend, ToledoExit 13 on Ohio Turnpike
Madison Township97.970157.667 US 20A east / CR O – Angola, INNorthern end of US 20A concurrency
Pioneer99.773160.569 US 20 – Fayette, Angola, IN
Madison Township102.312164.655 M-99 north – HillsdaleMichigan state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
  1. "DESTAPE". Ohio Department of Transportation. August 30, 2017. Retrieved April 14, 2019.

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