Remarkable Ohio

Serpent Mound Marker
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1-7 Mile Marker

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Side A: Mile Marker. The earliest highway signs along the National Road (Route 40) in Ohio were milestones located at one-mile intervals along the north side of the roadway. Each stone indicated the distance to Cumberland, Maryland, the eastern terminus of the National Road, and to the nearest cities and villages for both east and westbound travelers. Side B: Blank. Blank