Ohio State Route 46
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, 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 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 south of New Waterford to East Palestine dually certified with State Route 558.
- 1950 – Truncated at south of New Waterford.
- 1956 – Columbiana to Canfield dually certified with State Route 14.
- 1959 – State Route 14 certification removed from Canfield to south of Canfield.
- 1970 – From 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 south of Canfield.
- 2007-08-17 - Removed from State Route 11, truncated at State Route 11 interchange in Plymouth Township.
Major intersections