Ohio State Route 331

State Route 331
State Route 331
Route information
	Maintained by ODOT
Length	18.48 mi (29.74 km)
Existed	1932–present
Major junctions
West end	US 22 near Holloway
	I-70 near Saint Clairsville
East end	US 40 near Saint Clairsville
Location
Country	United States
State	Ohio
Counties	Harrison, Belmont
Highway system
	Ohio State Highway System; Interstate; US; State; Scenic;

State Route 331 (SR 331, OH 331) is an east–west state highway in the eastern portion of the U.S. state of Ohio. State Route 331 has its western terminus at U.S. Route 22 approximately 4 miles (6.4 km) northwest of the village of Holloway. Its eastern terminus is at a signalized intersection with U.S. Route 40 nearly 2.75 miles (4.43 km) west of Saint Clairsville, and immediately south of Exit 213 off of Interstate 70.

^ Ohio Department of Transportation. "Technical Services Straight Line Diagrams". Retrieved 2010-11-11.
^ Cite error: The named reference ODOT1931_map was invoked but never defined (see the help page).
^ Cite error: The named reference ODOT1932_map was invoked but never defined (see the help page).

[sld-1] Ohio Department of Transportation. "Technical Services Straight Line Diagrams". Retrieved 2010-11-11.

[ODOT1931_map-2] Cite error: The named reference ODOT1931_map was invoked but never defined (see the help page).

[ODOT1932_map-3] Cite error: The named reference ODOT1932_map was invoked but never defined (see the help page).

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