Ohio State Route 188

State Route 188
Route information
Maintained by ODOT
Length39.04 mi (62.83 km)
Existed1927–present
Major junctions
West end US 22 / SR 56 in Circleville
Major intersections
East end SR 204 in Thornville
Location
CountryUnited States
StateOhio
CountiesPickaway, Fairfield, Perry
Highway system
  • Ohio State Highway System
SR 187 SR 189

State Route 188 (SR 188) is a 39.04-mile-long (62.83 km) eastwest state highway located in the central part of the U.S. state of Ohio. SR 188's western terminus is in Circleville at a signalized intersection where it meets the concurrency of U.S. Route 22 (US 22) and SR 56. Its eastern terminus is at a signalized intersection with SR 204 in the central business district of the village of Thornville.