​Ohio State Route 189 is a short east-west highway in southern Putnam County.  The eastern end of Ohio Route 189 is in the tiny town of Vaughnsville, at an intersection with Ohio Route 115 that also serves as the western end of Ohio Route 12.  (Why Ohio Route 189 isn't just an extension of Ohio Route 12 is anyone's guess.)  From this eastern end, Ohio Route 189 runs westerly to Fort Jennings. It joins Ohio Route 190 northeasterly for a short distance before continuing onward, with a northwesterly tilt out of town.  After that, Ohio Route 189 reaches its final town, Ottoville.  US Route 224 joins from the north, and soon, Ohio Route 189 ends at Ohio Route 66, which comes from the south to join US Route 224 west.

My photo of Ohio State Route 189 comes from Fort Jennings, at the point where Ohio Route 189 joins Ohio Route 190 toward the northeast. The dual set of trailblazers shown in the photo reaffirms to travelers that Ohio Route 189 has just joined Ohio Route 190. This photo was taken on Leap Day 2016, as I was driving home from Columbus.
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