Ohio State Route 46

Updated on Nov 24, 2023

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Existed: 1924 – present Constructed 1924		Length 134.6 km

South end: SR 170 in East Palestine North end: SR 11 in Plymouth Township Counties Columbiana County, Ohio, Mahoning County, Ohio, Trumbull County, Ohio, Ashtabula County, Ohio

State Route 46 is a north–south state highway in the northeastern portion of the U.S. state of Ohio. Its southern terminus is at State Route 170 in East Palestine (this point is also the eastern terminus of State Route 558), and its northern terminus is at State Route 11 several miles south of State Route 531 in Plymouth Township. In its northernmost portion, from south of Ashtabula to Cortland, Route 46 is a 2-lane highway while running parallel within a few miles to limited-access State Route 11 to the east.

History

1923 – Original route established; originally routed from Canfield to the former State Route 2 (current U.S. Route 20) in Ashtabula.

1931 – Extended to Columbiana along a previously unnumbered road.

1938 – Extended to State Route 531 in Ashtabula along a previously unnumbered road.

1946 – Extended to East Palestine along its current route and State Route 558.

1947 – From 1-mile (1.6 km) south of New Waterford to East Palestine dually certified with State Route 558.

1950 – Truncated at 1-mile (1.6 km) south of New Waterford (ODOT’s diagram shows this dual certification is still in place).

1956 – Columbiana to Canfield dually certified with State Route 14.

1959 – State Route 14 certification removed from Canfield to 2 miles (3.2 km) south of Canfield.

1970 – From 1-mile (1.6 km) south of Interstate 90 to Ashtabula rerouted along new freeway alignment and dually certified with State Route 11.

1984 – State Route 14 certification removed from Columbiana to 2 miles (3.2 km) south of Canfield.

2007-08-17 - Removed from State Route 11, truncated at State Route 11 interchange in Plymouth Township.

References

Ohio State Route 46 Wikipedia

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