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.

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
Major intersections	SR 7 near Columbiana SR 11 near Columbiana US 62 / US 224 in Canfield I-80 in Austintown US 422 near Niles US 322 in Colebrook US 24 in 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
← SR 45 → SR 47

History

• 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]

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
		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
		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)
		14.78	23.79	SR 165 – Greenford, Beloit
	Canfield Township	19.97	32.14	SR 446 north (Canfield Bypass) to 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
	Austintown Township	27.45– 27.69	44.18– 44.56	I-80 to I-76 / Ohio Turnpike / Clarkins Drive – New York, Toledo	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
	Howland Township	35.45– 35.60	57.05– 57.29	SR 82 to SR 11 – Sharon, PA, Warren	Interchange
	Cortland	40.99	65.97	SR 305 (Wilson Sharpsville Road) – 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
	Mecca Township	46.68– 46.74	75.12– 75.22	SR 88 (Greenville Road NE) – Johnston, West Farmington	Traffic circle
	Greene Township	51.87	83.48	SR 87 (Kinsman Road NE) – Middlefield, Kinsman
Ashtabula	Colebrook Township	57.07	91.85	US 322 – Orwell
	New Lyme Township	62.00	99.78	US 24 – Andover, Chardon
	Jefferson	70.89	114.09	SR 307 east (Mulberry Street)	Southern end of SR 307 concurrency
		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

References

Template:Attached KML/Ohio State Route 46

KML is from Wikidata

1. "DESTAPE". Ohio Department of Transportation. November 2, 2020. Retrieved May 17, 2021.

   • Columbiana County
   • Mahoning County
   • Trumbull County
   • Ashtabula County
2. 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
3. Route 46 (The Unofficial Ohio State Highways Web Site) by John Simpson^{[unreliable source]} Archived December 21, 2004, at the Wayback Machine
4. "Straight-Line Diagrams County Update Table (Ashtabula, 2008) Archived 2011-07-27 at the Wayback Machine". Ohio Department of Transportation.