Ohio State Route 46
# Ohio State Route 46

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.

## 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.

## Major intersections

| County | Location | mi | km | Destinations | Notes |
| - | - | - | - | - | - |
| Columbiana | East Palestine | 0.00 | 0.00 | SR 170 (Market Street) / SR 558 ends to SR 165 / North Main Street | Southern end of SR 558 concurrency |
| Columbiana | Unity Township | 3.15 | 5.07 | SR 558 west – East Fairfield | Northern end of SR 558 concurrency |
| Columbiana | Fairfield Township | 6.82 | 10.98 | SR 7 south / CR 422 (Columbiana-Waterford Road) | Southern end of SR 7 concurrency |
| Columbiana | Fairfield Township | 8.34 | 13.42 | SR 7 north to Ohio Turnpike / SR 14 east – Youngstown, PA Route 51 | Northern end of SR 7 concurrency; southern end of SR 14 concurrency |
| Columbiana–Mahoning county line | Columbiana | 11.08 | 17.83 | SR 164 (South Avenue) – Columbiana, Youngstown | |
| Columbiana–Mahoning county line | Columbiana | 11.15 | 17.94 | SR 14 west (County Line Road) to North Main Street south / SR 164 | Northern end of SR 14 concurrency |
| Mahoning | Beaver Township | 13.41– 13.56 | 21.58– 21.82 | SR 11 – Youngstown, East Liverpool | Exit 27 (SR 11) |
| Mahoning | Beaver Township | 14.78 | 23.79 | SR 165 – Greenford, Beloit | |
| Mahoning | Canfield Township | 19.97 | 32.14 | SR 446 north (Canfield Bypass) to US 224 west | Southern terminus of SR 446 |
| Mahoning | Canfield | 20.54 | 33.06 | US 62 west (Lisbon Street) | Southern end of US 62 concurrency |
| Mahoning | Canfield | 20.63 | 33.20 | US 224 (Main Street) | |
| Mahoning | Canfield | 21.98 | 35.37 | US 62 east (Shields Road) / Herbert Road | Northern end of US 62 concurrency |
| Mahoning | Austintown Township | 27.45– 27.69 | 44.18– 44.56 | I-80 to I-76 / Ohio Turnpike / Clarkins Drive – New York, Cleveland | Exit 223 (I-80) |
| Trumbull | Niles | 31.66 | 50.95 | SR 169 north (North Main Street) | Southern end of SR 169 concurrency |
| Trumbull | Niles | 31.96 | 51.43 | SR 169 east (Robbins Avenue) / Mahoning Avenue | Northern end of SR 169 concurrency |
| Trumbull | Niles | 33.83 | 54.44 | US 422 | |
| Trumbull | Howland Township | 35.45– 35.60 | 57.05– 57.29 | SR 82 to SR 11 – Sharon, PA, Warren | Interchange |
| Trumbull | Cortland | 40.99 | 65.97 | SR 305 (Wilson Sharpsville Road) – Champion, Hartford, Mosquito Lake State Park | |
| Trumbull | Cortland | 41.63 | 67.00 | SR 5 west (Elm Road) – Warren | Southern end of SR 5 concurrency |
| Trumbull | Cortland | 41.78 | 67.24 | SR 5 east (High Street) / Warren Meadville Road – Mosquito Lake State Park | Northern end of SR 5 concurrency |
| Trumbull | Mecca Township | 46.68– 46.74 | 75.12– 75.22 | SR 88 (Greenville Road NE) – Johnston, West Farmington | Traffic circle |
| Trumbull | Greene Township | 51.87 | 83.48 | SR 87 (Kinsman Road NE) – Middlefield, Kinsman | |
| Ashtabula | Colebrook Township | 57.07 | 91.85 | US 322 – Orwell | |
| Ashtabula | New Lyme Township | 62.00 | 99.78 | US 6 – Andover, Chardon | |
| Ashtabula | Jefferson | 70.89 | 114.09 | SR 307 east (Mulberry Street) | Southern end of SR 307 concurrency |
| Ashtabula | Jefferson | 70.00 | 112.65 | SR 167 east / SR 307 west (Beech Street) | Western terminus of SR 167; northern end of SR 5 concurrency |
| Ashtabula | Plymouth Township | 76.37– 76.66 | 122.91– 123.37 | SR 11 to I-90 / State Road – Youngstown, Ashtabula | Exit 92 (SR 11) |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus ||||||
