Ohio State Route 603
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State Route 603 |
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Length: | 33.60 mi[1] (54.07 km) | ||||||||
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Formed: | 1938 | ||||||||
South end: | SR 95 near Perrysville | ||||||||
North end: | SR 61 in Plymouth | ||||||||
Counties: | Richland, Ashland | ||||||||
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[edit] History
- Certified in 1938. [2]
- Originally routed from 10 miles south of Mifflin to 1 mile south of Shiloh. [2]
- 1 mile south of Shiloh to Plymouth was route 178 before 1961. [2]
- Extended to Plymouth along previous route 178 in 1961. [2]