State Route 15 marker

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
Major intersections
North end M-99 near Pioneer
Location
CountryUnited States
StateOhio
CountiesWyandot, Hancock, Putnam, Defiance, Williams
Highway system
  • Ohio State Highway System
SR 14 SR 16
US 22SR 22 US 23

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.

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 Vanlue
Interchange; 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 Kenton
Eastern 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, Lima
Southern 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, Tiffin
Northern end of I-75 concurrency; eastern end of US 224 concurrency
Blanchard Township24.35139.189
SR 186 north McComb
Southern 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, Lima
Western 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 Avenue
Northern end of SR 65/SR 109 concurrency
Greensburg Township46.39774.669
SR 108 north / Road 14 Napoleon
Southern terminus of SR 108
Palmer Township50.53181.322
SR 115 south Kalida
Northern terminus of SR 115
51.09482.228 SR 613 Continental, Leipsic
Monroe Township55.55189.401
SR 634 south Continental
Northern 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) Delphos
Southern end of SR 66 concurrency
68.270109.870
SR 111 south (Clinton Street) / West 2nd Street
Northern terminus of SR 111
68.907110.895
SR 66 north (North Clinton Street) / East Sessions Avenue
Northern 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 Hicksville
Northern end of SR 18 concurrency
Ney79.837128.485
SR 249 west
Eastern terminus of SR 249
WilliamsPulaski Township83.348134.136
US 127 south Sherwood
Southern end of US 127 concurrency; location of north–south/east–west direction change
84.244135.578
US 6 / SR 2 west Edgerton, Napoleon
Southern 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 Unity
Northern end of US 127 concurrency
Jefferson Township94.303151.766

US 20A east / SR 107 west West Unity, Montpelier
Southern 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, IN
Northern end of US 20A concurrency
Pioneer99.773160.569 US 20 Fayette, Angola, IN
Madison Township102.312164.655
M-99 north Hillsdale
Michigan state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

  1. 1 2 "DESTAPE". Ohio Department of Transportation. August 30, 2017. Retrieved April 14, 2019.
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