Ohio State Route 123
| Route information | ||||
|---|---|---|---|---|
| Maintained by ODOT | ||||
| Length | 43.61 mi (70.18 km) | |||
| Existed | 1924–present | |||
| Major junctions | ||||
| South end | SR 251 near Fayetteville | |||
| North end | SR 4 in Germantown | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Brown, Clinton, Warren, Montgomery | |||
| Highway system | ||||
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State Route 123 (SR 123) is a state highway in southwestern Ohio. The route runs from SR 251 about seven miles (11 km) southeast of Blanchester to Germantown at SR 4, a distance of 43.6 miles (70.2 km). The section of road from Franklin to Lebanon was originally a toll road until it was taken over by Warren County and made free for public use.