Ohio State Route 46

State Route 46
State Route 46
	Route of SR 46 highlighted in red
Route information
	Maintained by ODOT
Length	76.66 mi (123.37 km)
Existed	1924–present
Major junctions
South end	SR 170 in East Palestine
	SR 7 near Columbiana; SR 11 near Columbiana; US 224 in Canfield; I-80 in Austintown; US 422 near Niles; Colebrook; New Lyme;
North end	SR 11 in Plymouth Township
Location
Country	United States
State	Ohio
Counties	Columbiana, Mahoning, Trumbull, Ashtabula
Highway system
	Ohio State Highway System; Interstate; US; State; Scenic;

State Route 46 (SR 46) is a north–south

State Route 11

to the east.

History

1923 – Original route established;^{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
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]

Major intersections

County	Location	mi^[1]	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
	Unity Township	3.15	5.07	SR 558 west – East Fairfield	Northern end of SR 558 concurrency
	Fairfield Township	6.82	10.98	SR 7 south / CR 422 (Columbiana-Waterford Road)	Southern end of SR 7 concurrency
	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)
	Beaver Township	14.78	23.79	SR 165 – Greenford, Beloit
	US 224 west	Southern terminus of SR 446
	Canfield	20.54	33.06	US 62 west (Lisbon Street)	Southern end of US 62 concurrency
		20.63	33.20	US 224 (Main Street)
		21.98	35.37	US 62 east (Shields Road) / Herbert Road	Northern end of US 62 concurrency
	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
		31.96	51.43	SR 169 east (Robbins Avenue) / Mahoning Avenue	Northern end of SR 169 concurrency
		33.83	54.44	US 422
	Sharon, PA, Warren	Interchange
	Champion, Hartford, Mosquito Lake State Park
		41.63	67.00	SR 5 west (Elm Road) – Warren	Southern end of SR 5 concurrency
		41.78	67.24	SR 5 east (High Street) / Warren Meadville Road – Mosquito Lake State Park	Northern end of SR 5 concurrency
	Traffic circle
	Greene Township	51.87	83.48	SR 87 (Kinsman Road NE) – Middlefield, Kinsman
US 322 – Orwell
	New Lyme Township	62.00	99.78	US 6 – Andover, Chardon
	Jefferson	70.89	114.09	SR 307 east (Mulberry Street)	Southern end of SR 307 concurrency
	Jefferson	70.00	112.65	SR 167 east / SR 307 west (Beech Street)	Western terminus of SR 167; northern end of SR 5 concurrency
	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