Ohio State Route 231

State Route 231
Route information
Maintained by ODOT
Length35.77 mi (57.57 km)
Existed1923–present
Major junctions
South endCSX grade crossing in Morral
Major intersections
North end SR 18 / SR 100 / SR 101 in Tiffin
Location
CountryUnited States
StateOhio
CountiesMarion, Wyandot, Seneca
Highway system
  • Ohio State Highway System
SR 230 SR 232

State Route 231 (SR 231) is a 35.77-mile (57.57 km) long northsouth state highway in the northwestern quadrant of the U.S. state of Ohio. SR 231 has its southern terminus at a CSX railroad crossing in the village of Morral. Its northern terminus is in downtown Tiffin at a signalized intersection with SR 18 and SR 101, following a 0.35 miles (0.56 km) long concurrency with SR 100, which continues north as a solo route north of this point.