State Route 66 (SR 66) is a northsouth state highway in the northwestern portion of the U.S. state of Ohio. Its southern terminus is at U.S. Route 36 (US 36) in Piqua, and its northern terminus is at US 20 in Fayette. South of Defiance it generally follows the route of the former Miami and Erie Canal.

Quick Facts State Route 66, Route information ...
State Route 66 marker
State Route 66
Route of SR 66 highlighted in red
Route information
Maintained by ODOT
Length118.60 mi[1] (190.87 km)
Existed1924–present
Major junctions
South end US 36 in Piqua
Major intersections
North end US 20 in Fayette
Location
CountryUnited States
StateOhio
CountiesMiami, Shelby, Auglaize, Allen, Van Wert, Putnam, Paulding, Defiance, Williams, Henry, Fulton
Highway system
  • Ohio State Highway System
SR 65 SR 67
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Route description

The portion of SR 66 between Washington Avenue in Piqua and the Miami/Shelby County line is designated as the "Cpl. Samuel F. Pearson Memorial Highway",[2] in honor of a Piqua High School graduate who was killed at Camp Victory in Baghdad, Iraq, while serving in the Army Reserve, on October 10, 2007.[3][4]

History

Thumb
SR 66 through Spencerville
  • 1924 – Original route established.[5] Originally routed from Piqua to the Michigan state line 4 miles (6.4 km) north of Fayette.[6]
  • 1931 – Truncated at Fayette; U.S. Route 127 replaced the route’s alignment from Fayette to the Michigan state line.[6]

Major junctions

More information County, Location ...
CountyLocationmi[1]kmDestinationsNotes
MiamiPiqua0.000.00 US 36Southern terminus; road continues as US 36 west (Spring Street south)
ShelbyLoramie Township10.7817.35
SR 48 south Russia, Covington
Northern terminus of SR 48
Cynthian Township12.4420.02 SR 47 Versailles, Sidney
Fort Loramie16.6826.84 SR 705 (Park Street)
16.8027.04
SR 362 north (Elm Street) Lake Loramie State Park
Southern terminus of SR 362
AuglaizeMinster19.2030.90
SR 362 south (First Street)
Northern terminus of SR 362
19.7031.70
SR 119 east (Fourth Street)
Southern end of SR 119 concurrency
20.7133.33
SR 119 west
Northern end of SR 119 concurrency
New Bremen22.7536.61 SR 274 (Monroe Street)
Saint Marys Township26.8043.13 SR 219 Montezuma, New Knoxville
St. Marys30.1948.59


SR 29 west / SR 116 north (Main Street) / SR 703 west (Spring Street)
Southern end of SR 29 concurrency; southern terminus of SR 116; eastern terminus of SR 703
30.5549.17
SR 29 east (Spring Street)
Northern end of SR 29 concurrency
Noble Township31.34–
31.56
50.44–
50.79

US 33 to SR 29 Columbus, Celina, Fort Wayne Ind.
Interchange
Salem Township39.0462.83 SR 197 Celina, Kossuth, Buckland
AllenSpencerville42.8768.99 SR 117 (Fourth Street)
SpencerAmanda
township line
44.9772.37
SR 81 west Willshire
Southern end of SR 81 concurrency
Amanda Township45.2172.76
SR 81 east Lima
Northern end of SR 81 concurrency
Delphos52.8985.12
SR 697 west (Second Street)
Southern end of SR 697 concurrency
53.1285.49

SR 190 north (Fifth Street) / SR 697 ends
Northern end of SR 697 concurrency
Van WertWashington Township55.38–
55.50
89.13–
89.32
US 30 Van Wert, MansfieldInterchange
PutnamOttoville59.9096.40
US 224 (Third Street) / SR 189 east
Southern end of US 224 concurrency; western terminus of SR 189
Monterey Township60.9898.14
US 224 west Van Wert
Northern end of US 224 concurrency
PauldingWashington Township67.10107.99 SR 114 Grover Hill, Cloverdale
Brown Township73.17117.76
SR 613 west Melrose
Southern end of SR 613 concurrency
Oakwood73.39118.11
SR 613 east (Walnut Street) Continental
Northern end of SR 613 concurrency
Auglaize Township80.46129.49
SR 637 south Paulding
Northern terminus of SR 637
DefianceDefiance87.13140.22

SR 66 Truck north (Downs Street)
Southern terminus of SR 66 Truck
88.10141.78
SR 15 / SR 18 east (Second Street) Mercy Hospital of Defiance
Southern end of SR 15/SR 18 concurrency
88.73142.80


SR 111 south / SR 66 Truck south (Clinton Street) / West 2nd Street
Northern termini of SR 111 and SR 66 Truck
88.87143.02
SR 15 / SR 18 west (Session Street)
Northern end of SR 15/SR 18 concurrency
89.67–
89.77
144.31–
144.47
US 24 Napoleon, AntwerpInterchange; exit 26 on US 24
WilliamsSpringfield Township98.71158.86
US 6 west Edgerton
Southern end of US 6 concurrency
HenryRidgeville Township101.85163.91
US 6 east Napoleon
Northern end of US 6 concurrency
102.52164.99 SR 34 Napoleon, Bryan, Northwest State Community College
FultonArchbold107.35172.76
SR 2 west (Stryker Street)
Southern end of SR 2 concurrency
German Township108.85175.18
SR 2 east
Northern end of SR 2 concurrency
110.85178.40
US 20A east Wauseon
Southern end of US 20A concurrency
111.97180.20
US 20A west West Unity
Northern end of US 20A concurrency
Franklin Township112.71181.39 I-80 / I-90 / Ohio Turnpike Toledo, ChicagoExit 25 on the Ohio Tpk.
Fayette118.60190.87 US 20 (Main Street)Northern terminus; road continues as Fayette Street
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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SR 66 Truck

Quick Facts State Route 66 Truck, Location ...
Truck plate.svg
State Route 66 Truck marker
State Route 66 Truck
LocationDefiance, Ohio
Length1.909 mi[7] (3.072 km)
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SR 66 Truck is a truck route which bypasses a low railroad bridge along SR 66 in southern Defiance. Beginning at a signalized intersection with South Jefferson Avenue (SR 66), it heads west on Downs Street through a residential neighborhood. At South Clinton Street, SR 111, SR 111 Truck becomes concurrent with SR 66 Truck and both head northwest along Deatrick Street passing a supermarket and three sets of railroad tracks at-grade. At Baltimore Street (former SR 424), the two truck routes turn northeast onto Holgate Avenue paralleling the Maumee River. After heading through a residential neighborhood of the city, the road bends to the east and transitions to West Third Street. After passing under a railroad bridge, it passes numerous businesses and city facilities before reaching SR 111 again at the intersection of Third Street and Clinton Street. While SR 111 Truck ends, SR 66 Truck continues on South Clinton Street with SR 111 for one block before ending at SR 15/SR 18/SR 66.[8]

References

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