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State Route 46 (SR 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.
State Route 46 | ||||
|---|---|---|---|---|
 Route of SR 46 highlighted in red | ||||
| Route information | ||||
| Maintained by ODOT | ||||
| Length | 76.66 mi[1] (123.37 km) | |||
| Existed | 1924–present | |||
| Major junctions | ||||
| South end |  SR 170 in East Palestine | |||
| North end |  SR 11 in Plymouth Township | |||
| Location | ||||
| Country | United States | |||
| State | Ohio | |||
| Counties | Columbiana, Mahoning, Trumbull, Ashtabula | |||
| Highway system | ||||
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- 1923 – Original route established;[2] originally routed from Canfield to the former State Route 2 (current U.S. Route 20) in Ashtabula.[3]
- 1931 – Extended to Columbiana along a previously unnumbered road.[3]
- 1938 – Extended to State Route 531 in Ashtabula along a previously unnumbered road.[3]
- 1946 – Extended to East Palestine along its current route and State Route 558.[3]
- 1947 – From 1-mile (1.6 km) south of New Waterford to East Palestine dually certified with State Route 558.[3]
- 1950 – Truncated at 1-mile (1.6 km) south of New Waterford[3] (ODOT’s diagram shows this dual certification is still in place).
- 1956 – Columbiana to Canfield dually certified with State Route 14.[3]
- 1959 – State Route 14 certification removed from Canfield to 2 miles (3.2 km) south of Canfield.[3]
- 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.[3]
- 1984 – State Route 14 certification removed from Columbiana to 2 miles (3.2 km) south of Canfield.[3]
- 2007-08-17 - Removed from State Route 11, truncated at State Route 11 interchange in Plymouth Township.[4]
KML is from Wikidata
- ^ a b "DESTAPE". Ohio Department of Transportation. November 2, 2020. Retrieved May 17, 2021.
- ^ Explanation of the Ohio State Highway System (The Unofficial Ohio State Highways Web Site) by John Simpson[unreliable source] Archived May 23, 2006, at the Wayback Machine
- ^ a b c d e f g h i j Route 46 (The Unofficial Ohio State Highways Web Site) by John Simpson[unreliable source] Archived December 21, 2004, at the Wayback Machine
- ^ "Straight-Line Diagrams County Update Table (Ashtabula, 2008) Archived 2011-07-27 at the Wayback Machine". Ohio Department of Transportation.